Merge

arch/ia64/Kconfig

@@ -211,7 +211,7 @@ config MCKINLEY_A0_SPECIFIC
 
 config NUMA
 	bool "Enable NUMA support" if IA64_GENERIC || IA64_DIG || IA64_HP_ZX1
-	default y if IA64_SGI_SN2
+	default y if IA64_SGI_SN2 || IA64_GENERIC
 	help
 	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
 	  Access).  This option is for configuring high-end multiprocessor
@@ -234,9 +234,8 @@ config IA64_NODESIZE_256GB
 endchoice
 
 config DISCONTIGMEM
-	bool
-	depends on IA64_SGI_SN2 || (IA64_GENERIC || IA64_DIG || IA64_HP_ZX1) && NUMA
-	default y
+	bool "Discontiguous memory support" if (IA64_DIG && NUMA)
+	default y if IA64_SGI_SN2 || IA64_GENERIC
 	help
 	  Say Y to support efficient handling of discontiguous physical memory,
 	  for architectures which are either NUMA (Non-Uniform Memory Access)
@@ -245,8 +244,7 @@ config DISCONTIGMEM
 
 config VIRTUAL_MEM_MAP
 	bool "Enable Virtual Mem Map"
-	depends on !NUMA
-	default y if IA64_GENERIC || IA64_DIG || IA64_HP_ZX1
+	default y if !IA64_HP_SIM
 	help
 	  Say Y to compile the kernel with support for a virtual mem map.
 	  This is an alternate method of supporting large holes in the
@@ -259,8 +257,8 @@ config VIRTUAL_MEM_MAP
 	  are unsure, say Y.
 
 config IA64_MCA
-	bool "Enable IA-64 Machine Check Abort" if IA64_GENERIC || IA64_DIG || IA64_HP_ZX1
-	default y if IA64_SGI_SN2
+	bool "Enable IA-64 Machine Check Abort"
+	default y if !IA64_HP_SIM
 	help
 	  Say Y here to enable machine check support for IA-64.  If you're
 	  unsure, answer Y.
@@ -292,14 +290,6 @@ config IOSAPIC
 	depends on IA64_GENERIC || IA64_DIG || IA64_HP_ZX1 || IA64_SGI_SN2
 	default y
 
-config IA64_SGI_SN_DEBUG
-	bool "Enable extra debugging code"
-	depends on IA64_SGI_SN2
-	help
-	  Turns on extra debugging code in the SGI SN (Scalable NUMA) platform
-	  for IA-64.  Unless you are debugging problems on an SGI SN IA-64 box,
-	  say N.
-
 config IA64_SGI_SN_SIM
 	bool "Enable SGI Medusa Simulator Support"
 	depends on IA64_SGI_SN2
@@ -307,29 +297,6 @@ config IA64_SGI_SN_SIM
 	  If you are compiling a kernel that will run under SGI's IA-64
 	  simulator (Medusa) then say Y, otherwise say N.
 
-config IA64_SGI_AUTOTEST
-	bool "Enable autotest (llsc). Option to run cache test instead of booting"
-	depends on IA64_SGI_SN2
-	help
-	  Build a kernel used for hardware validation. If you include the
-	  keyword "autotest" on the boot command line, the kernel does NOT boot.
-	  Instead, it starts all cpus and runs cache coherency tests instead.
-
-	  If unsure, say N.
-
-config SERIAL_SGI_L1_PROTOCOL
-	bool "Enable protocol mode for the L1 console"
-	depends on IA64_SGI_SN2
-	help
-	  Uses protocol mode instead of raw mode for the level 1 console on the
-	  SGI SN (Scalable NUMA) platform for IA-64.  If you are compiling for
-	  an SGI SN box then Y is the recommended value, otherwise say N.
-
-config PERCPU_IRQ
-	bool
-	depends on IA64_SGI_SN2
-	default y
-
 # On IA-64, we always want an ELF /proc/kcore.
 config KCORE_ELF
 	bool

arch/ia64/ia32/Makefile

@@ -4,3 +4,5 @@
 
 obj-y := ia32_entry.o sys_ia32.o ia32_ioctl.o ia32_signal.o \
 	 ia32_support.o ia32_traps.o binfmt_elf32.o ia32_ldt.o
+
+CFLAGS_ia32_ioctl.o += -Ifs/

arch/ia64/ia32/binfmt_elf32.c

@@ -19,6 +19,7 @@
 #include <asm/signal.h>
 
 #include "ia32priv.h"
+#include "elfcore32.h"
 
 #define CONFIG_BINFMT_ELF32
 

arch/ia64/ia32/elfcore32.h

+/*
+ * IA-32 ELF core dump support.
+ *
+ * Copyright (C) 2003 Arun Sharma <arun.sharma@intel.com>
+ *
+ * Derived from the x86_64 version
+ */
+#ifndef _ELFCORE32_H_
+#define _ELFCORE32_H_
+
+#define USE_ELF_CORE_DUMP 1
+
+/* Override elfcore.h */
+#define _LINUX_ELFCORE_H 1
+typedef unsigned int elf_greg_t;
+
+#define ELF_NGREG (sizeof (struct user_regs_struct32) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef struct ia32_user_i387_struct elf_fpregset_t;
+typedef struct ia32_user_fxsr_struct elf_fpxregset_t;
+
+struct elf_siginfo
+{
+	int	si_signo;			/* signal number */
+	int	si_code;			/* extra code */
+	int	si_errno;			/* errno */
+};
+
+#define jiffies_to_timeval(a,b) do { (b)->tv_usec = 0; (b)->tv_sec = (a)/HZ; }while(0)
+
+struct elf_prstatus
+{
+	struct elf_siginfo pr_info;	/* Info associated with signal */
+	short	pr_cursig;		/* Current signal */
+	unsigned int pr_sigpend;	/* Set of pending signals */
+	unsigned int pr_sighold;	/* Set of held signals */
+	pid_t	pr_pid;
+	pid_t	pr_ppid;
+	pid_t	pr_pgrp;
+	pid_t	pr_sid;
+	struct compat_timeval pr_utime;	/* User time */
+	struct compat_timeval pr_stime;	/* System time */
+	struct compat_timeval pr_cutime;	/* Cumulative user time */
+	struct compat_timeval pr_cstime;	/* Cumulative system time */
+	elf_gregset_t pr_reg;	/* GP registers */
+	int pr_fpvalid;		/* True if math co-processor being used.  */
+};
+
+#define ELF_PRARGSZ	(80)	/* Number of chars for args */
+
+struct elf_prpsinfo
+{
+	char	pr_state;	/* numeric process state */
+	char	pr_sname;	/* char for pr_state */
+	char	pr_zomb;	/* zombie */
+	char	pr_nice;	/* nice val */
+	unsigned int pr_flag;	/* flags */
+	__u16	pr_uid;
+	__u16	pr_gid;
+	pid_t	pr_pid, pr_ppid, pr_pgrp, pr_sid;
+	/* Lots missing */
+	char	pr_fname[16];	/* filename of executable */
+	char	pr_psargs[ELF_PRARGSZ];	/* initial part of arg list */
+};
+
+#define ELF_CORE_COPY_REGS(pr_reg, regs)       		\
+	pr_reg[0] = regs->r11;				\
+	pr_reg[1] = regs->r9;				\
+	pr_reg[2] = regs->r10;				\
+	pr_reg[3] = regs->r14;				\
+	pr_reg[4] = regs->r15;				\
+	pr_reg[5] = regs->r13;				\
+	pr_reg[6] = regs->r8;				\
+	pr_reg[7] = regs->r16 & 0xffff;			\
+	pr_reg[8] = (regs->r16 >> 16) & 0xffff;		\
+	pr_reg[9] = (regs->r16 >> 32) & 0xffff;		\
+	pr_reg[10] = (regs->r16 >> 48) & 0xffff;	\
+	pr_reg[11] = regs->r1; 				\
+	pr_reg[12] = regs->cr_iip;			\
+	pr_reg[13] = regs->r17 & 0xffff;		\
+	asm volatile ("mov %0=ar.eflag ;;"		\
+		      : "=r"(pr_reg[14]));		\
+	pr_reg[15] = regs->r12;				\
+	pr_reg[16] = (regs->r17 >> 16) & 0xffff;
+
+static inline void elf_core_copy_regs(elf_gregset_t *elfregs,
+				      struct pt_regs *regs)
+{
+	ELF_CORE_COPY_REGS((*elfregs), regs)
+}
+
+static inline int elf_core_copy_task_regs(struct task_struct *t,
+					  elf_gregset_t* elfregs)
+{
+	struct pt_regs *pp = ia64_task_regs(t);
+	ELF_CORE_COPY_REGS((*elfregs), pp);
+	return 1;
+}
+
+static inline int
+elf_core_copy_task_fpregs(struct task_struct *tsk, struct pt_regs *regs, elf_fpregset_t *fpu)
+{
+	struct ia32_user_i387_struct *fpstate = (void*)fpu;
+
+	if (!tsk->used_math)
+		return 0;
+
+	save_ia32_fpstate(tsk, fpstate);
+
+	return 1;
+}
+
+#define ELF_CORE_COPY_XFPREGS 1
+static inline int
+elf_core_copy_task_xfpregs(struct task_struct *tsk, elf_fpxregset_t *xfpu)
+{
+	struct ia32_user_fxsr_struct *fpxstate = (void*) xfpu;
+
+	if (!tsk->used_math)
+		return 0;
+
+	save_ia32_fpxstate(tsk, fpxstate);
+
+	return 1;
+}
+
+#endif /* _ELFCORE32_H_ */

arch/ia64/ia32/ia32_entry.S

@@ -440,9 +440,9 @@ ia32_syscall_table:
 	data8 sys_ni_syscall
 	data8 sys_ni_syscall
 	data8 sys_ni_syscall
-	data8 sys_ni_syscall
-	data8 sys_ni_syscall	/*255*/
-	data8 sys_ni_syscall
+	data8 sys_epoll_create
+	data8 sys32_epoll_ctl	/* 255 */
+	data8 sys32_epoll_wait
 	data8 sys_ni_syscall
 	data8 sys_ni_syscall
 	data8 sys_ni_syscall

arch/ia64/ia32/ia32_ioctl.c

@@ -7,110 +7,12 @@
  *	David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
-#include <linux/types.h>
-#include <linux/dirent.h>
-#include <linux/fs.h>		/* argh, msdos_fs.h isn't self-contained... */
 #include <linux/signal.h>	/* argh, msdos_fs.h isn't self-contained... */
-#include <linux/compat.h>
-
 #include "ia32priv.h"
-
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/ioctl.h>
-#include <linux/if.h>
-#include <linux/slab.h>
-#include <linux/hdreg.h>
-#include <linux/raid/md.h>
-#include <linux/kd.h>
-#include <linux/route.h>
-#include <linux/in6.h>
-#include <linux/ipv6_route.h>
-#include <linux/skbuff.h>
-#include <linux/netlink.h>
-#include <linux/vt.h>
-#include <linux/file.h>
-#include <linux/fd.h>
-#include <linux/ppp_defs.h>
-#include <linux/if_ppp.h>
-#include <linux/if_pppox.h>
-#include <linux/mtio.h>
-#include <linux/cdrom.h>
-#include <linux/loop.h>
-#include <linux/auto_fs.h>
-#include <linux/auto_fs4.h>
-#include <linux/devfs_fs.h>
-#include <linux/tty.h>
-#include <linux/vt_kern.h>
-#include <linux/fb.h>
-#include <linux/ext2_fs.h>
-#include <linux/videodev.h>
-#include <linux/netdevice.h>
-#include <linux/raw.h>
-#include <linux/smb_fs.h>
-#include <linux/blkpg.h>
-#include <linux/blkdev.h>
-#include <linux/elevator.h>
-#include <linux/rtc.h>
-#include <linux/pci.h>
-#include <linux/rtc.h>
-#include <linux/module.h>
-#include <linux/serial.h>
-#include <linux/reiserfs_fs.h>
-#include <linux/if_tun.h>
-#include <linux/dirent.h>
-#include <linux/ctype.h>
-#include <linux/ncp_fs.h>
-#include <net/bluetooth/bluetooth.h>
-#include <net/bluetooth/rfcomm.h>
-
-#include <scsi/scsi.h>
-/* Ugly hack. */
-#undef __KERNEL__
-#include <scsi/scsi_ioctl.h>
-#define __KERNEL__
-#include <scsi/sg.h>
-
-#include <asm/types.h>
-#include <asm/uaccess.h>
-#include <linux/ethtool.h>
-#include <linux/mii.h>
-#include <linux/if_bonding.h>
-#include <linux/watchdog.h>
-
-#include <asm/module.h>
+  
+#define	INCLUDES
+#include "compat_ioctl.c"
 #include <asm/ioctl32.h>
-#include <linux/soundcard.h>
-#include <linux/lp.h>
-
-#include <linux/atm.h>
-#include <linux/atmarp.h>
-#include <linux/atmclip.h>
-#include <linux/atmdev.h>
-#include <linux/atmioc.h>
-#include <linux/atmlec.h>
-#include <linux/atmmpc.h>
-#include <linux/atmsvc.h>
-#include <linux/atm_tcp.h>
-#include <linux/sonet.h>
-#include <linux/atm_suni.h>
-#include <linux/mtd/mtd.h>
-
-#include <net/bluetooth/bluetooth.h>
-#include <net/bluetooth/hci.h>
-
-#include <linux/usb.h>
-#include <linux/usbdevice_fs.h>
-#include <linux/nbd.h>
-#include <linux/random.h>
-#include <linux/filter.h>
-
-#include <../drivers/char/drm/drm.h>
-#include <../drivers/char/drm/mga_drm.h>
-#include <../drivers/char/drm/i810_drm.h>
 
 #define IOCTL_NR(a)	((a) & ~(_IOC_SIZEMASK << _IOC_SIZESHIFT))
 
@@ -128,6 +30,9 @@
 
 asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg);
 
+#define CODE
+#include "compat_ioctl.c"
+
 #define	VFAT_IOCTL_READDIR_BOTH32	_IOR('r', 1, struct linux32_dirent[2])
 #define	VFAT_IOCTL_READDIR_SHORT32	_IOR('r', 2, struct linux32_dirent[2])
 
@@ -158,298 +63,6 @@ static int vfat_ioctl32(unsigned fd, unsigned cmd,  void *ptr)
 	return ret; 
 } 
 
-/*
- *  The transform code for the SG_IO ioctl was brazenly lifted from
- *  the Sparc64 port in the file `arch/sparc64/kernel/ioctl32.c'.
- *  Thanks to Jakub Jelinek & Eddie C. Dost.
- */
-typedef struct sg_io_hdr32 {
-	int interface_id;	/* [i] 'S' for SCSI generic (required) */
-	int dxfer_direction;	/* [i] data transfer direction  */
-	char  cmd_len;		/* [i] SCSI command length ( <= 16 bytes) */
-	char  mx_sb_len;		/* [i] max length to write to sbp */
-	short iovec_count;	/* [i] 0 implies no scatter gather */
-	int dxfer_len;		/* [i] byte count of data transfer */
-	int dxferp;		/* [i], [*io] points to data transfer memory
-					      or scatter gather list */
-	int cmdp;		/* [i], [*i] points to command to perform */
-	int sbp;		/* [i], [*o] points to sense_buffer memory */
-	int timeout;		/* [i] MAX_UINT->no timeout (unit: millisec) */
-	int flags;		/* [i] 0 -> default, see SG_FLAG... */
-	int pack_id;		/* [i->o] unused internally (normally) */
-	int usr_ptr;		/* [i->o] unused internally */
-	char  status;		/* [o] scsi status */
-	char  masked_status;	/* [o] shifted, masked scsi status */
-	char  msg_status;	/* [o] messaging level data (optional) */
-	char  sb_len_wr;	/* [o] byte count actually written to sbp */
-	short host_status;	/* [o] errors from host adapter */
-	short driver_status;	/* [o] errors from software driver */
-	int resid;		/* [o] dxfer_len - actual_transferred */
-	int duration;		/* [o] time taken by cmd (unit: millisec) */
-	int info;		/* [o] auxiliary information */
-} sg_io_hdr32_t;  /* 64 bytes long (on IA32) */
-
-static int alloc_sg_iovec(sg_io_hdr_t *sgp, int uptr32)
-{
-	struct compat_iovec *uiov = (struct compat_iovec *) P(uptr32);
-	sg_iovec_t *kiov;
-	int i;
-
-	sgp->dxferp = kmalloc(sgp->iovec_count *
-			      sizeof(sg_iovec_t), GFP_KERNEL);
-	if (!sgp->dxferp)
-		return -ENOMEM;
-	memset(sgp->dxferp, 0,
-	       sgp->iovec_count * sizeof(sg_iovec_t));
-
-	kiov = (sg_iovec_t *) sgp->dxferp;
-	for (i = 0; i < sgp->iovec_count; i++) {
-		int iov_base32;
-		if (__get_user(iov_base32, &uiov->iov_base) ||
-		    __get_user(kiov->iov_len, &uiov->iov_len))
-			return -EFAULT;
-
-		kiov->iov_base = kmalloc(kiov->iov_len, GFP_KERNEL);
-		if (!kiov->iov_base)
-			return -ENOMEM;
-		if (copy_from_user(kiov->iov_base,
-				   (void *) P(iov_base32),
-				   kiov->iov_len))
-			return -EFAULT;
-
-		uiov++;
-		kiov++;
-	}
-
-	return 0;
-}
-
-static int copy_back_sg_iovec(sg_io_hdr_t *sgp, int uptr32)
-{
-	struct compat_iovec *uiov = (struct compat_iovec *) P(uptr32);
-	sg_iovec_t *kiov = (sg_iovec_t *) sgp->dxferp;
-	int i;
-
-	for (i = 0; i < sgp->iovec_count; i++) {
-		int iov_base32;
-
-		if (__get_user(iov_base32, &uiov->iov_base))
-			return -EFAULT;
-
-		if (copy_to_user((void *) P(iov_base32),
-				 kiov->iov_base,
-				 kiov->iov_len))
-			return -EFAULT;
-
-		uiov++;
-		kiov++;
-	}
-
-	return 0;
-}
-
-static void free_sg_iovec(sg_io_hdr_t *sgp)
-{
-	sg_iovec_t *kiov = (sg_iovec_t *) sgp->dxferp;
-	int i;
-
-	for (i = 0; i < sgp->iovec_count; i++) {
-		if (kiov->iov_base) {
-			kfree(kiov->iov_base);
-			kiov->iov_base = NULL;
-		}
-		kiov++;
-	}
-	kfree(sgp->dxferp);
-	sgp->dxferp = NULL;
-}
-
-static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	sg_io_hdr32_t *sg_io32;
-	sg_io_hdr_t sg_io64;
-	int dxferp32, cmdp32, sbp32;
-	mm_segment_t old_fs;
-	int err = 0;
-
-	sg_io32 = (sg_io_hdr32_t *)arg;
-	err = __get_user(sg_io64.interface_id, &sg_io32->interface_id);
-	err |= __get_user(sg_io64.dxfer_direction, &sg_io32->dxfer_direction);
-	err |= __get_user(sg_io64.cmd_len, &sg_io32->cmd_len);
-	err |= __get_user(sg_io64.mx_sb_len, &sg_io32->mx_sb_len);
-	err |= __get_user(sg_io64.iovec_count, &sg_io32->iovec_count);
-	err |= __get_user(sg_io64.dxfer_len, &sg_io32->dxfer_len);
-	err |= __get_user(sg_io64.timeout, &sg_io32->timeout);
-	err |= __get_user(sg_io64.flags, &sg_io32->flags);
-	err |= __get_user(sg_io64.pack_id, &sg_io32->pack_id);
-
-	sg_io64.dxferp = NULL;
-	sg_io64.cmdp = NULL;
-	sg_io64.sbp = NULL;
-
-	err |= __get_user(cmdp32, &sg_io32->cmdp);
-	sg_io64.cmdp = kmalloc(sg_io64.cmd_len, GFP_KERNEL);
-	if (!sg_io64.cmdp) {
-		err = -ENOMEM;
-		goto out;
-	}
-	if (copy_from_user(sg_io64.cmdp,
-			   (void *) P(cmdp32),
-			   sg_io64.cmd_len)) {
-		err = -EFAULT;
-		goto out;
-	}
-
-	err |= __get_user(sbp32, &sg_io32->sbp);
-	sg_io64.sbp = kmalloc(sg_io64.mx_sb_len, GFP_KERNEL);
-	if (!sg_io64.sbp) {
-		err = -ENOMEM;
-		goto out;
-	}
-	if (copy_from_user(sg_io64.sbp,
-			   (void *) P(sbp32),
-			   sg_io64.mx_sb_len)) {
-		err = -EFAULT;
-		goto out;
-	}
-
-	err |= __get_user(dxferp32, &sg_io32->dxferp);
-	if (sg_io64.iovec_count) {
-		int ret;
-
-		if ((ret = alloc_sg_iovec(&sg_io64, dxferp32))) {
-			err = ret;
-			goto out;
-		}
-	} else {
-		sg_io64.dxferp = kmalloc(sg_io64.dxfer_len, GFP_KERNEL);
-		if (!sg_io64.dxferp) {
-			err = -ENOMEM;
-			goto out;
-		}
-		if (copy_from_user(sg_io64.dxferp,
-				   (void *) P(dxferp32),
-				   sg_io64.dxfer_len)) {
-			err = -EFAULT;
-			goto out;
-		}
-	}
-
-	/* Unused internally, do not even bother to copy it over. */
-	sg_io64.usr_ptr = NULL;
-
-	if (err)
-		return -EFAULT;
-
-	old_fs = get_fs();
-	set_fs (KERNEL_DS);
-	err = sys_ioctl (fd, cmd, (unsigned long) &sg_io64);
-	set_fs (old_fs);
-
-	if (err < 0)
-		goto out;
-
-	err = __put_user(sg_io64.pack_id, &sg_io32->pack_id);
-	err |= __put_user(sg_io64.status, &sg_io32->status);
-	err |= __put_user(sg_io64.masked_status, &sg_io32->masked_status);
-	err |= __put_user(sg_io64.msg_status, &sg_io32->msg_status);
-	err |= __put_user(sg_io64.sb_len_wr, &sg_io32->sb_len_wr);
-	err |= __put_user(sg_io64.host_status, &sg_io32->host_status);
-	err |= __put_user(sg_io64.driver_status, &sg_io32->driver_status);
-	err |= __put_user(sg_io64.resid, &sg_io32->resid);
-	err |= __put_user(sg_io64.duration, &sg_io32->duration);
-	err |= __put_user(sg_io64.info, &sg_io32->info);
-	err |= copy_to_user((void *)P(sbp32), sg_io64.sbp, sg_io64.mx_sb_len);
-	if (sg_io64.dxferp) {
-		if (sg_io64.iovec_count)
-			err |= copy_back_sg_iovec(&sg_io64, dxferp32);
-		else
-			err |= copy_to_user((void *)P(dxferp32),
-					    sg_io64.dxferp,
-					    sg_io64.dxfer_len);
-	}
-	if (err)
-		err = -EFAULT;
-
-out:
-	if (sg_io64.cmdp)
-		kfree(sg_io64.cmdp);
-	if (sg_io64.sbp)
-		kfree(sg_io64.sbp);
-	if (sg_io64.dxferp) {
-		if (sg_io64.iovec_count) {
-			free_sg_iovec(&sg_io64);
-		} else {
-			kfree(sg_io64.dxferp);
-		}
-	}
-	return err;
-}
-
-static __inline__ void *alloc_user_space(long len)
-{
-	struct pt_regs	*regs = ((struct pt_regs *)((unsigned long) current +
-						    IA64_STK_OFFSET)) - 1;
-	return (void *)regs->r12 - len; 
-}
-
-struct ifmap32 {
-	u32 mem_start;
-	u32 mem_end;
-	unsigned short base_addr;
-	unsigned char irq;
-	unsigned char dma;
-	unsigned char port;
-};
-
-struct ifreq32 {
-#define IFHWADDRLEN     6
-#define IFNAMSIZ        16
-        union {
-                char    ifrn_name[IFNAMSIZ];            /* if name, e.g. "en0" */
-        } ifr_ifrn;
-        union {
-                struct  sockaddr ifru_addr;
-                struct  sockaddr ifru_dstaddr;
-                struct  sockaddr ifru_broadaddr;
-                struct  sockaddr ifru_netmask;
-                struct  sockaddr ifru_hwaddr;
-                short   ifru_flags;
-                int     ifru_ivalue;
-                int     ifru_mtu;
-                struct  ifmap32 ifru_map;
-                char    ifru_slave[IFNAMSIZ];   /* Just fits the size */
-		char	ifru_newname[IFNAMSIZ];
-                compat_caddr_t ifru_data;
-        } ifr_ifru;
-};
-
-int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct ifreq *u_ifreq64;
-	struct ifreq32 *u_ifreq32 = (struct ifreq32 *) arg;
-	char tmp_buf[IFNAMSIZ];
-	void *data64;
-	u32 data32;
-
-	if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]),
-			   IFNAMSIZ))
-		return -EFAULT;
-	if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data))
-		return -EFAULT;
-	data64 = (void *) P(data32);
-
-	u_ifreq64 = alloc_user_space(sizeof(*u_ifreq64));
-
-	/* Don't check these user accesses, just let that get trapped
-	 * in the ioctl handler instead.
-	 */
-	copy_to_user(&u_ifreq64->ifr_ifrn.ifrn_name[0], &tmp_buf[0], IFNAMSIZ);
-	__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data);
-
-	return sys_ioctl(fd, cmd, (unsigned long) u_ifreq64);
-}
-
 typedef int (* ioctl32_handler_t)(unsigned int, unsigned int, unsigned long, struct file *);
 
 #define COMPATIBLE_IOCTL(cmd)		HANDLE_IOCTL((cmd),sys_ioctl)
@@ -460,8 +73,9 @@ typedef int (* ioctl32_handler_t)(unsigned int, unsigned int, unsigned long, str
 	}; struct ioctl_trans ioctl_end[0];
 
 IOCTL_TABLE_START
-#include <linux/compat_ioctl.h>
 HANDLE_IOCTL(VFAT_IOCTL_READDIR_BOTH32, vfat_ioctl32)
 HANDLE_IOCTL(VFAT_IOCTL_READDIR_SHORT32, vfat_ioctl32)
-HANDLE_IOCTL(SG_IO,sg_ioctl_trans)
+#define DECLARES
+#include "compat_ioctl.c"
+#include <linux/compat_ioctl.h>
 IOCTL_TABLE_END

arch/ia64/ia32/ia32priv.h

@@ -295,7 +295,6 @@ struct old_linux32_dirent {
 #define IA32_TSS_OFFSET		(IA32_PAGE_OFFSET + PAGE_SIZE)
 #define IA32_LDT_OFFSET		(IA32_PAGE_OFFSET + 2*PAGE_SIZE)
 
-#define USE_ELF_CORE_DUMP
 #define ELF_EXEC_PAGESIZE	IA32_PAGE_SIZE
 
 /*
@@ -312,20 +311,6 @@ void ia64_elf32_init(struct pt_regs *regs);
 
 #define elf_addr_t	u32
 
-/* ELF register definitions.  This is needed for core dump support.  */
-
-#define ELF_NGREG	128			/* XXX fix me */
-#define ELF_NFPREG	128			/* XXX fix me */
-
-typedef unsigned long elf_greg_t;
-typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-
-typedef struct {
-	unsigned long w0;
-	unsigned long w1;
-} elf_fpreg_t;
-typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
-
 /* This macro yields a bitmask that programs can use to figure out
    what instruction set this CPU supports.  */
 #define ELF_HWCAP	0
@@ -472,6 +457,23 @@ extern void ia32_load_segment_descriptors (struct task_struct *task);
 	asm volatile ("ldf.fill f6=[%2];; stfe [%1]=f6" : "=f"(f6): "r"(dst),  "r"(src) : "memory"); \
 	} while(0)
 
+struct user_regs_struct32 {
+	__u32 ebx, ecx, edx, esi, edi, ebp, eax;
+	unsigned short ds, __ds, es, __es;
+	unsigned short fs, __fs, gs, __gs;
+	__u32 orig_eax, eip;
+	unsigned short cs, __cs;
+	__u32 eflags, esp;
+	unsigned short ss, __ss;
+};
+
+/* Prototypes for use in elfcore32.h */
+int save_ia32_fpstate (struct task_struct *tsk,
+                       struct ia32_user_i387_struct *save);
+
+int save_ia32_fpxstate (struct task_struct *tsk,
+			struct ia32_user_fxsr_struct *save);
+
 #endif /* !CONFIG_IA32_SUPPORT */
 
 #endif /* _ASM_IA64_IA32_H */

arch/ia64/ia32/sys_ia32.c

@@ -43,6 +43,7 @@
 #include <linux/nfsd/xdr.h>
 #include <linux/nfsd/syscall.h>
 #include <linux/poll.h>
+#include <linux/eventpoll.h>
 #include <linux/personality.h>
 #include <linux/ptrace.h>
 #include <linux/stat.h>
@@ -1866,7 +1867,7 @@ get_fpreg (int regno, struct _fpreg_ia32 *reg, struct pt_regs *ptp, struct switc
 	return;
 }
 
-static int
+int
 save_ia32_fpstate (struct task_struct *tsk, struct ia32_user_i387_struct *save)
 {
 	struct switch_stack *swp;
@@ -1928,7 +1929,7 @@ restore_ia32_fpstate (struct task_struct *tsk, struct ia32_user_i387_struct *sav
 	return 0;
 }
 
-static int
+int
 save_ia32_fpxstate (struct task_struct *tsk, struct ia32_user_fxsr_struct *save)
 {
 	struct switch_stack *swp;
@@ -2704,6 +2705,95 @@ sys32_open (const char * filename, int flags, int mode)
 	goto out;
 }
 
+/* Structure for ia32 emulation on ia64 */
+struct epoll_event32
+{
+	u32 events;
+	u64 data;
+} __attribute__((packed));
+
+asmlinkage long
+sys32_epoll_ctl(int epfd, int op, int fd, struct epoll_event32 *event)
+{
+	mm_segment_t old_fs = get_fs();
+	struct epoll_event event64;
+	int error = -EFAULT;
+	u32 data_halfword;
+
+	if ((error = verify_area(VERIFY_READ, event,
+				 sizeof(struct epoll_event32))))
+		return error;
+
+	__get_user(event64.events, &event->events);
+	__get_user(data_halfword, (u32*)(&event->data));
+	event64.data = data_halfword;
+	__get_user(data_halfword, ((u32*)(&event->data) + 1));
+ 	event64.data |= ((u64)data_halfword) << 32;
+
+	set_fs(KERNEL_DS);
+	error = sys_epoll_ctl(epfd, op, fd, &event64);
+	set_fs(old_fs);
+
+	return error;
+}
+
+asmlinkage long
+sys32_epoll_wait(int epfd, struct epoll_event32 *events, int maxevents,
+		 int timeout)
+{
+	struct epoll_event *events64 = NULL;
+	mm_segment_t old_fs = get_fs();
+	int error;
+	int evt_idx;
+
+	if (maxevents <= 0) {
+		return -EINVAL;
+	}
+
+	/* Verify that the area passed by the user is writeable */
+	if ((error = verify_area(VERIFY_WRITE, events,
+				 maxevents * sizeof(struct epoll_event32))))
+		return error;
+
+	/* Allocate the space needed for the intermediate copy */
+	events64 = kmalloc(maxevents * sizeof(struct epoll_event), GFP_KERNEL);
+	if (events64 == NULL) {
+		return -ENOMEM;
+	}
+
+	/* Expand the 32-bit structures into the 64-bit structures */
+	for (evt_idx = 0; evt_idx < maxevents; evt_idx++) {
+		u32 data_halfword;
+		__get_user(events64[evt_idx].events, &events[evt_idx].events);
+		__get_user(data_halfword, (u32*)(&events[evt_idx].data));
+		events64[evt_idx].data = data_halfword;
+		__get_user(data_halfword, ((u32*)(&events[evt_idx].data) + 1));
+		events64[evt_idx].data |= ((u64)data_halfword) << 32;
+	}
+
+	/* Do the system call */
+	set_fs(KERNEL_DS); /* copy_to/from_user should work on kernel mem*/
+	error = sys_epoll_wait(epfd, events64, maxevents, timeout);
+	set_fs(old_fs);
+
+	/* Don't modify userspace memory if we're returning an error */
+	if (!error) {
+		/* Translate the 64-bit structures back into the 32-bit
+		   structures */
+		for (evt_idx = 0; evt_idx < maxevents; evt_idx++) {
+			__put_user(events64[evt_idx].events,
+				   &events[evt_idx].events);
+			__put_user((u32)(events64[evt_idx].data),
+				   (u32*)(&events[evt_idx].data));
+			__put_user((u32)(events64[evt_idx].data >> 32),
+				   ((u32*)(&events[evt_idx].data) + 1));
+		}
+	}
+
+	kfree(events64);
+	return error;
+}
+
 #ifdef	NOTYET  /* UNTESTED FOR IA64 FROM HERE DOWN */
 
 struct ncp_mount_data32 {

arch/ia64/kernel/acpi.c

@@ -51,13 +51,6 @@
 
 #define PREFIX			"ACPI: "
 
-asm (".weak iosapic_register_intr");
-asm (".weak iosapic_override_isa_irq");
-asm (".weak iosapic_register_platform_intr");
-asm (".weak iosapic_init");
-asm (".weak iosapic_system_init");
-asm (".weak iosapic_version");
-
 void (*pm_idle) (void);
 void (*pm_power_off) (void);
 
@@ -241,8 +234,7 @@ acpi_parse_iosapic (acpi_table_entry_header *header)
 
 	acpi_table_print_madt_entry(header);
 
-	if (iosapic_init)
-		iosapic_init(iosapic->address, iosapic->global_irq_base);
+	iosapic_init(iosapic->address, iosapic->global_irq_base);
 
 	return 0;
 }
@@ -260,11 +252,6 @@ acpi_parse_plat_int_src (acpi_table_entry_header *header)
 
 	acpi_table_print_madt_entry(header);
 
-	if (!iosapic_register_platform_intr) {
-		printk(KERN_WARNING PREFIX "No ACPI platform interrupt support\n");
-		return -ENODEV;
-	}
-
 	/*
 	 * Get vector assignment for this interrupt, set attributes,
 	 * and program the IOSAPIC routing table.
@@ -293,10 +280,6 @@ acpi_parse_int_src_ovr (acpi_table_entry_header *header)
 
 	acpi_table_print_madt_entry(header);
 
-	/* Ignore if the platform doesn't support overrides */
-	if (!iosapic_override_isa_irq)
-		return 0;
-
 	iosapic_override_isa_irq(p->bus_irq, p->global_irq,
 				 (p->flags.polarity == 1) ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
 				 (p->flags.trigger == 1) ? IOSAPIC_EDGE : IOSAPIC_LEVEL);
@@ -334,8 +317,7 @@ acpi_parse_madt (unsigned long phys_addr, unsigned long size)
 #else
 	has_8259 = acpi_madt->flags.pcat_compat;
 #endif
-	if (iosapic_system_init)
-		iosapic_system_init(has_8259);
+	iosapic_system_init(has_8259);
 
 	/* Get base address of IPI Message Block */
 
@@ -535,7 +517,6 @@ acpi_parse_fadt (unsigned long phys_addr, unsigned long size)
 {
 	struct acpi_table_header *fadt_header;
 	struct fadt_descriptor_rev2 *fadt;
-	u32 sci_irq;
 
 	if (!phys_addr || !size)
 		return -EINVAL;
@@ -549,15 +530,7 @@ acpi_parse_fadt (unsigned long phys_addr, unsigned long size)
 	if (!(fadt->iapc_boot_arch & BAF_8042_KEYBOARD_CONTROLLER))
 		acpi_kbd_controller_present = 0;
 
-	if (!iosapic_register_intr)
-		return 0;	/* just ignore the rest */
-
-	sci_irq = fadt->sci_int;
-
-	if (has_8259 && sci_irq < 16)
-		return 0;	/* legacy, no setup required */
-
-	iosapic_register_intr(sci_irq, IOSAPIC_POL_LOW, IOSAPIC_LEVEL);
+	acpi_register_irq(fadt->sci_int, ACPI_ACTIVE_LOW, ACPI_LEVEL_SENSITIVE);
 	return 0;
 }
 
@@ -707,28 +680,23 @@ acpi_get_interrupt_model (int *type)
 }
 
 int
-acpi_irq_to_vector (u32 irq)
+acpi_irq_to_vector (u32 gsi)
 {
-	if (has_8259 && irq < 16)
-		return isa_irq_to_vector(irq);
+	if (has_8259 && gsi < 16)
+		return isa_irq_to_vector(gsi);
 
-	return gsi_to_vector(irq);
+	return gsi_to_vector(gsi);
 }
 
 int
 acpi_register_irq (u32 gsi, u32 polarity, u32 trigger)
 {
-	int vector = 0;
-
-	if (has_8259 && (gsi < 16))
+	if (has_8259 && gsi < 16)
 		return isa_irq_to_vector(gsi);
 
-	if (!iosapic_register_intr)
-		return 0;
-
-	/* Turn it on */
-	vector = iosapic_register_intr (gsi, polarity, trigger);
-	return vector;
+	return iosapic_register_intr(gsi,
+			(polarity == ACPI_ACTIVE_HIGH) ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
+			(trigger == ACPI_EDGE_SENSITIVE) ? IOSAPIC_EDGE : IOSAPIC_LEVEL);
 }
 
 #endif /* CONFIG_ACPI_BOOT */

arch/ia64/kernel/iosapic.c

@@ -543,7 +543,7 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi,
 		delivery = IOSAPIC_INIT;
 		break;
 	      case ACPI_INTERRUPT_CPEI:
-		vector = IA64_PCE_VECTOR;
+		vector = IA64_CPE_VECTOR;
 		delivery = IOSAPIC_LOWEST_PRIORITY;
 		break;
 	      default:

arch/ia64/kernel/mca.c

@@ -97,6 +97,12 @@ static struct irqaction cmci_irqaction = {
 	.name =		"cmc_hndlr"
 };
 
+static struct irqaction cmcp_irqaction = {
+	.handler =	ia64_mca_cmc_int_caller,
+	.flags =	SA_INTERRUPT,
+	.name =		"cmc_poll"
+};
+
 static struct irqaction mca_rdzv_irqaction = {
 	.handler =	ia64_mca_rendez_int_handler,
 	.flags =	SA_INTERRUPT,
@@ -115,6 +121,12 @@ static struct irqaction mca_cpe_irqaction = {
 	.name =		"cpe_hndlr"
 };
 
+static struct irqaction mca_cpep_irqaction = {
+	.handler =	ia64_mca_cpe_int_caller,
+	.flags =	SA_INTERRUPT,
+	.name =		"cpe_poll"
+};
+
 #define MAX_CPE_POLL_INTERVAL (15*60*HZ) /* 15 minutes */
 #define MIN_CPE_POLL_INTERVAL (2*60*HZ)  /* 2 minutes */
 #define CMC_POLL_INTERVAL     (1*60*HZ)  /* 1 minute */
@@ -123,11 +135,20 @@ static struct irqaction mca_cpe_irqaction = {
 static struct timer_list cpe_poll_timer;
 static struct timer_list cmc_poll_timer;
 /*
+ * This variable tells whether we are currently in polling mode.
  * Start with this in the wrong state so we won't play w/ timers
  * before the system is ready.
  */
 static int cmc_polling_enabled = 1;
 
+/*
+ * Clearing this variable prevents CPE polling from getting activated
+ * in mca_late_init.  Use it if your system doesn't provide a CPEI,
+ * but encounters problems retrieving CPE logs.  This should only be
+ * necessary for debugging.
+ */
+static int cpe_poll_enabled = 1;
+
 /*
  *  ia64_mca_log_sal_error_record
  *
@@ -178,6 +199,9 @@ ia64_mca_cpe_int_handler (int cpe_irq, void *arg, struct pt_regs *ptregs)
 	IA64_MCA_DEBUG("ia64_mca_cpe_int_handler: received interrupt. CPU:%d vector = %#x\n",
 		       smp_processor_id(), cpe_irq);
 
+	/* SAL spec states this should run w/ interrupts enabled */
+	local_irq_enable();
+
 	/* Get the CMC error record and log it */
 	ia64_mca_log_sal_error_record(SAL_INFO_TYPE_CPE, 0);
 	return IRQ_HANDLED;
@@ -713,10 +737,11 @@ ia64_mca_init(void)
 	IA64_MCA_DEBUG("ia64_mca_init: registered os init handler with SAL\n");
 
 	/*
-	 *  Configure the CMCI vector and handler. Interrupts for CMC are
+	 *  Configure the CMCI/P vector and handler. Interrupts for CMC are
 	 *  per-processor, so AP CMC interrupts are setup in smp_callin() (smpboot.c).
 	 */
 	register_percpu_irq(IA64_CMC_VECTOR, &cmci_irqaction);
+	register_percpu_irq(IA64_CMCP_VECTOR, &cmcp_irqaction);
 	ia64_mca_cmc_vector_setup();       /* Setup vector on BSP & enable */
 
 	/* Setup the MCA rendezvous interrupt vector */
@@ -1000,6 +1025,9 @@ ia64_mca_cmc_int_handler(int cmc_irq, void *arg, struct pt_regs *ptregs)
 	IA64_MCA_DEBUG("ia64_mca_cmc_int_handler: received interrupt vector = %#x on CPU %d\n",
 		       cmc_irq, smp_processor_id());
 
+	/* SAL spec states this should run w/ interrupts enabled */
+	local_irq_enable();
+
 	/* Get the CMC error record and log it */
 	ia64_mca_log_sal_error_record(SAL_INFO_TYPE_CMC, 0);
 
@@ -1015,34 +1043,24 @@ ia64_mca_cmc_int_handler(int cmc_irq, void *arg, struct pt_regs *ptregs)
 
 		IA64_MCA_DEBUG(KERN_INFO "CMC threshold %d/%d\n", count, CMC_HISTORY_LENGTH);
 		if (count >= CMC_HISTORY_LENGTH) {
-			/*
-			 * CMC threshold exceeded, clear the history
-			 * so we have a fresh start when we return
-			 */
-			for (index = 0 ; index < CMC_HISTORY_LENGTH; index++)
-				cmc_history[index] = 0;
-			index = 0;
 
-			/* Switch to polling mode */
 			cmc_polling_enabled = 1;
+			spin_unlock(&cmc_history_lock);
 
 			/*
-			 * Unlock & enable interrupts  before
-			 * smp_call_function or risk deadlock
+			 * We rely on the local_irq_enable() above so
+			 * that this can't deadlock.
 			 */
-			spin_unlock(&cmc_history_lock);
 			ia64_mca_cmc_vector_disable(NULL);
 
-			local_irq_enable();
-			smp_call_function(ia64_mca_cmc_vector_disable, NULL, 1, 1);
+			smp_call_function(ia64_mca_cmc_vector_disable, NULL, 1, 0);
 
 			/*
 			 * Corrected errors will still be corrected, but
 			 * make sure there's a log somewhere that indicates
 			 * something is generating more than we can handle.
 			 */
-			printk(KERN_WARNING "ia64_mca_cmc_int_handler: WARNING: Switching to polling CMC handler, error records may be lost\n");
-
+			printk(KERN_WARNING "%s: WARNING: Switching to polling CMC handler, error records may be lost\n", __FUNCTION__);
 
 			mod_timer(&cmc_poll_timer, jiffies + CMC_POLL_INTERVAL);
 
@@ -1096,16 +1114,64 @@ static ia64_state_log_t ia64_state_log[IA64_MAX_LOG_TYPES];
 /*
  *  ia64_mca_cmc_int_caller
  *
- * 	Call CMC interrupt handler, only purpose is to have a
- * 	smp_call_function callable entry.
+ * 	Triggered by sw interrupt from CMC polling routine.  Calls
+ * 	real interrupt handler and either triggers a sw interrupt
+ * 	on the next cpu or does cleanup at the end.
  *
- * Inputs   :	dummy(unused)
- * Outputs  :	None
- * */
-static void
-ia64_mca_cmc_int_caller(void *dummy)
+ * Inputs
+ *	interrupt number
+ *	client data arg ptr
+ *	saved registers ptr
+ * Outputs
+ * 	handled
+ */
+irqreturn_t
+ia64_mca_cmc_int_caller(int cpe_irq, void *arg, struct pt_regs *ptregs)
 {
-	ia64_mca_cmc_int_handler(0, NULL, NULL);
+	static int start_count = -1;
+	unsigned int cpuid;
+
+	cpuid = smp_processor_id();
+
+	/* If first cpu, update count */
+	if (start_count == -1)
+		start_count = IA64_LOG_COUNT(SAL_INFO_TYPE_CMC);
+
+	ia64_mca_cmc_int_handler(cpe_irq, arg, ptregs);
+
+	for (++cpuid ; !cpu_online(cpuid) && cpuid < NR_CPUS ; cpuid++);
+		
+	if (cpuid < NR_CPUS) {
+		platform_send_ipi(cpuid, IA64_CMCP_VECTOR, IA64_IPI_DM_INT, 0);
+	} else {
+		/* If no log recored, switch out of polling mode */
+		if (start_count == IA64_LOG_COUNT(SAL_INFO_TYPE_CMC)) {
+
+			printk(KERN_WARNING "%s: Returning to interrupt driven CMC handler\n", __FUNCTION__);
+
+			/*
+			 * The cmc interrupt handler enabled irqs, so
+			 * this can't deadlock.
+			 */
+			smp_call_function(ia64_mca_cmc_vector_enable, NULL, 1, 0);
+
+			/*
+			 * Turn off interrupts before re-enabling the
+			 * cmc vector locally.  Make sure we get out.
+			 */
+			local_irq_disable();
+			ia64_mca_cmc_vector_enable(NULL);
+			cmc_polling_enabled = 0;
+
+		} else {
+
+			mod_timer(&cmc_poll_timer, jiffies + CMC_POLL_INTERVAL);
+		}
+
+		start_count = -1;
+	}
+		
+	return IRQ_HANDLED;
 }
 
 /*
@@ -1120,49 +1186,65 @@ ia64_mca_cmc_int_caller(void *dummy)
 static void
 ia64_mca_cmc_poll (unsigned long dummy)
 {
-	unsigned long start_count;
-
-	start_count = IA64_LOG_COUNT(SAL_INFO_TYPE_CMC);
-
-	/* Call the interrupt handler */
-	smp_call_function(ia64_mca_cmc_int_caller, NULL, 1, 1);
-	local_irq_disable();
-	ia64_mca_cmc_int_caller(NULL);
-	local_irq_enable();
-
-	/*
-	 * If no log recored, switch out of polling mode.
-	 */
-	if (start_count == IA64_LOG_COUNT(SAL_INFO_TYPE_CMC)) {
-		printk(KERN_WARNING "ia64_mca_cmc_poll: Returning to interrupt driven CMC handler\n");
-		cmc_polling_enabled = 0;
-		smp_call_function(ia64_mca_cmc_vector_enable, NULL, 1, 1);
-		ia64_mca_cmc_vector_enable(NULL);
-	} else {
-		mod_timer(&cmc_poll_timer, jiffies + CMC_POLL_INTERVAL);
-	}
+	/* Trigger a CMC interrupt cascade  */
+	platform_send_ipi(__ffs(cpu_online_map), IA64_CMCP_VECTOR, IA64_IPI_DM_INT, 0);
 }
 
 /*
  *  ia64_mca_cpe_int_caller
  *
- * 	Call CPE interrupt handler, only purpose is to have a
- * 	smp_call_function callable entry.
+ * 	Triggered by sw interrupt from CPE polling routine.  Calls
+ * 	real interrupt handler and either triggers a sw interrupt
+ * 	on the next cpu or does cleanup at the end.
  *
- * Inputs   :	dummy(unused)
- * Outputs  :	None
- * */
-static void
-ia64_mca_cpe_int_caller(void *dummy)
+ * Inputs
+ *	interrupt number
+ *	client data arg ptr
+ *	saved registers ptr
+ * Outputs
+ * 	handled
+ */
+irqreturn_t
+ia64_mca_cpe_int_caller(int cpe_irq, void *arg, struct pt_regs *ptregs)
 {
-	ia64_mca_cpe_int_handler(0, NULL, NULL);
+	static int start_count = -1;
+	static int poll_time = MAX_CPE_POLL_INTERVAL;
+	unsigned int cpuid;
+
+	cpuid = smp_processor_id();
+
+	/* If first cpu, update count */
+	if (start_count == -1)
+		start_count = IA64_LOG_COUNT(SAL_INFO_TYPE_CPE);
+
+	ia64_mca_cpe_int_handler(cpe_irq, arg, ptregs);
+
+	for (++cpuid ; !cpu_online(cpuid) && cpuid < NR_CPUS ; cpuid++);
+
+	if (cpuid < NR_CPUS) {
+		platform_send_ipi(cpuid, IA64_CPEP_VECTOR, IA64_IPI_DM_INT, 0);
+	} else {
+		/*
+		 * If a log was recorded, increase our polling frequency,
+		 * otherwise, backoff.
+		 */
+		if (start_count != IA64_LOG_COUNT(SAL_INFO_TYPE_CPE)) {
+			poll_time = max(MIN_CPE_POLL_INTERVAL, poll_time / 2);
+		} else {
+			poll_time = min(MAX_CPE_POLL_INTERVAL, poll_time * 2);
+		}
+		start_count = -1;
+		mod_timer(&cpe_poll_timer, jiffies + poll_time);
+	}
+
+	return IRQ_HANDLED;
 }
 
 /*
  *  ia64_mca_cpe_poll
  *
- *	Poll for Corrected Platform Errors (CPEs), dynamically adjust
- *	polling interval based on occurrence of an event.
+ *	Poll for Corrected Platform Errors (CPEs), trigger interrupt
+ *	on first cpu, from there it will trickle through all the cpus.
  *
  * Inputs   :   dummy(unused)
  * Outputs  :   None
@@ -1171,27 +1253,8 @@ ia64_mca_cpe_int_caller(void *dummy)
 static void
 ia64_mca_cpe_poll (unsigned long dummy)
 {
-	unsigned long start_count;
-	static int poll_time = MAX_CPE_POLL_INTERVAL;
-
-	start_count = IA64_LOG_COUNT(SAL_INFO_TYPE_CPE);
-
-	/* Call the interrupt handler */
-	smp_call_function(ia64_mca_cpe_int_caller, NULL, 1, 1);
-	local_irq_disable();
-	ia64_mca_cpe_int_caller(NULL);
-	local_irq_enable();
-
-	/*
-	 * If a log was recorded, increase our polling frequency,
-	 * otherwise, backoff.
-	 */
-	if (start_count != IA64_LOG_COUNT(SAL_INFO_TYPE_CPE)) {
-		poll_time = max(MIN_CPE_POLL_INTERVAL, poll_time/2);
-	} else {
-		poll_time = min(MAX_CPE_POLL_INTERVAL, poll_time * 2);
-	}
-	mod_timer(&cpe_poll_timer, jiffies + poll_time);
+	/* Trigger a CPE interrupt cascade  */
+	platform_send_ipi(__ffs(cpu_online_map), IA64_CPEP_VECTOR, IA64_IPI_DM_INT, 0);
 }
 
 /*
@@ -1217,8 +1280,10 @@ ia64_mca_late_init(void)
 	cpe_poll_timer.function = ia64_mca_cpe_poll;
 
 	/* If platform doesn't support CPEI, get the timer going. */
-	if (acpi_request_vector(ACPI_INTERRUPT_CPEI) < 0)
+	if (acpi_request_vector(ACPI_INTERRUPT_CPEI) < 0 && cpe_poll_enabled) {
+		register_percpu_irq(IA64_CPEP_VECTOR, &mca_cpep_irqaction);
 		ia64_mca_cpe_poll(0UL);
+	}
 
 	return 0;
 }
@@ -2326,3 +2391,12 @@ ia64_log_print(int sal_info_type, prfunc_t prfunc)
 	}
 	return platform_err;
 }
+
+static int __init
+ia64_mca_disable_cpe_polling(char *str)
+{
+	cpe_poll_enabled = 0;
+	return 1;
+}
+
+__setup("disable_cpe_poll", ia64_mca_disable_cpe_polling);

arch/ia64/lib/xor.S

@@ -70,14 +70,14 @@ GLOBAL_ENTRY(xor_ia64_3)
 	adds in0 = -1, in0
 	mov r16 = in1
 	mov r17 = in2
-	;;	
+	;;
 	mov r18 = in3
 	mov ar.lc = in0
 	mov pr.rot = 1 << 16
 	;;
 	.rotr s1[6+1], s2[6+1], s3[6+1], d[2]
 	.rotp p[6+2]
-0:	
+0:
 (p[0])	ld8.nta s1[0] = [r16], 8
 (p[0])	ld8.nta s2[0] = [r17], 8
 (p[6])	xor d[0] = s1[6], s2[6]
@@ -162,7 +162,7 @@ GLOBAL_ENTRY(xor_ia64_5)
 	;;
 	.rotr s1[6+1], s2[6+1], s3[6+1], s4[6+1], s5[6+1], d[2]
 	.rotp p[6+2]
-0:	
+0:
 (p[0])	ld8.nta s1[0] = [r16], 8
 (p[0])	ld8.nta s2[0] = [r17], 8
 (p[6])	xor d[0] = s1[6], s2[6]

arch/ia64/sn/io/hwgfs/hcl.c

@@ -758,28 +758,6 @@ hwgraph_info_unexport_LBL(vertex_hdl_t de, char *name)
 	return(rc);
 }
 
-/*
- * hwgraph_path_lookup - return the handle for the given path.
- *
- */
-int
-hwgraph_path_lookup(vertex_hdl_t start_vertex_handle,
-			char *lookup_path,
-			vertex_hdl_t *vertex_handle_ptr,
-			char **remainder)
-{
-	*vertex_handle_ptr = hwgfs_find_handle(start_vertex_handle,	/* start dir */
-					lookup_path,		/* path */
-					0,			/* major */
-					0,			/* minor */
-					0,			/* char | block */
-					1);			/* traverse symlinks */
-	if (*vertex_handle_ptr == NULL)
-		return(-1);
-	else
-		return(0);
-}
-
 /*
  * hwgraph_traverse - Find and return the handle starting from de.
  *
@@ -920,6 +898,5 @@ EXPORT_SYMBOL(hwgraph_info_get_exported_LBL);
 EXPORT_SYMBOL(hwgraph_info_get_next_LBL);
 EXPORT_SYMBOL(hwgraph_info_export_LBL);
 EXPORT_SYMBOL(hwgraph_info_unexport_LBL);
-EXPORT_SYMBOL(hwgraph_path_lookup);
 EXPORT_SYMBOL(hwgraph_traverse);
 EXPORT_SYMBOL(hwgraph_vertex_name_get);

arch/ia64/sn/io/hwgfs/interface.c

@@ -40,15 +40,12 @@
 #include <linux/namei.h>
 #include <linux/string.h>
 #include <linux/slab.h>
+#include <linux/dcache.h>
 #include <asm/sn/hwgfs.h>
 
 
 extern struct vfsmount *hwgfs_vfsmount;
 
-/* TODO: Move this to some .h file or, more likely, use a slightly
-   different interface from lookup_create. */
-extern struct dentry *lookup_create(struct nameidata *nd, int is_dir);
-
 static int
 walk_parents_mkdir(
 	const char		**path,
@@ -69,6 +66,7 @@ walk_parents_mkdir(
 			return error;
 
 		nd->dentry = lookup_create(nd, is_dir);
+		nd->flags |= LOOKUP_PARENT;
 		if (unlikely(IS_ERR(nd->dentry)))
 			return PTR_ERR(nd->dentry);
 

arch/ia64/sn/io/io.c

@@ -87,11 +87,7 @@ hub_pio_init(vertex_hdl_t hubv)
 	hub_set_piomode(nasid, HUB_PIO_CONVEYOR);
 
 	mutex_spinlock_init(&hubinfo->h_bwlock);
-/*
- * If this lock can be acquired from interrupts or bh's, add SV_INTS or SV_BHS,
- * respectively, to the flags here.
- */
-	sv_init(&hubinfo->h_bwwait, &hubinfo->h_bwlock, SV_ORDER_FIFO | SV_MON_SPIN); 
+	init_waitqueue_head(&hubinfo->h_bwwait);
 }
 
 /* 
@@ -215,10 +211,16 @@ hub_piomap_alloc(vertex_hdl_t dev,	/* set up mapping for this device */
 			if (flags & PIOMAP_NOSLEEP) {
 				bw_piomap = NULL;
 				goto done;
+			} else {
+				DECLARE_WAITQUEUE(wait, current);
+
+				spin_unlock(&hubinfo->h_bwlock); 
+				set_current_state(TASK_UNINTERRUPTIBLE);
+				add_wait_queue_exclusive(&hubinfo->h_bwwait, &wait);
+				schedule();
+				remove_wait_queue(&hubinfo->h_bwwait, &wait);
+				goto tryagain;
 			}
-
-			sv_wait(&hubinfo->h_bwwait, 0, 0);
-			goto tryagain;
 		}
 	}
 
@@ -316,7 +318,7 @@ hub_piomap_free(hub_piomap_t hub_piomap)
 		} else
 			hub_piomap->hpio_flags &= ~HUB_PIOMAP_IS_VALID;
 
-		(void)sv_signal(&hubinfo->h_bwwait);
+		wake_up(&hubinfo->h_bwwait);
 	}
 
 	mutex_spinunlock(&hubinfo->h_bwlock, s);

arch/ia64/sn/io/machvec/iomv.c

@@ -73,3 +73,4 @@ sn_mmiob (void)
 				SH_PIO_WRITE_STATUS_0_PENDING_WRITE_COUNT_MASK)
 		udelay(1);
 }
+EXPORT_SYMBOL(sn_mmiob);

arch/ia64/sn/io/machvec/pci.c

@@ -30,17 +30,13 @@
 #include <asm/sn/pci/pcibr_private.h>
 #include <asm/sn/pci/bridge.h>
 
-#ifdef DEBUG_CONFIG
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif
-
-
-
+/*
+ * These routines are only used during sn_pci_init for probing each bus, and
+ * can probably be removed with a little more cleanup now that the SAL routines
+ * work on sn2.
+ */
 #ifdef CONFIG_PCI
 
-extern vertex_hdl_t pci_bus_to_vertex(unsigned char);
 extern vertex_hdl_t devfn_to_vertex(unsigned char bus, unsigned char devfn);
 
 int sn_read_config(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val)
@@ -49,10 +45,12 @@ int sn_read_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
 	vertex_hdl_t device_vertex;
 
 	device_vertex = devfn_to_vertex(bus->number, devfn);
+
 	if (!device_vertex)
 		return PCIBIOS_DEVICE_NOT_FOUND;
-	res = pciio_config_get(device_vertex, (unsigned) where, size);
-	*val = (unsigned int) res;
+
+	res = pciio_config_get(device_vertex, (unsigned)where, size);
+	*val = (u32)res;
 	return PCIBIOS_SUCCESSFUL;
 }
 
@@ -61,79 +59,21 @@ int sn_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size
 	vertex_hdl_t device_vertex;
 
 	device_vertex = devfn_to_vertex(bus->number, devfn);
+
 	if (!device_vertex)
 		return PCIBIOS_DEVICE_NOT_FOUND;
-	pciio_config_set( device_vertex, (unsigned)where, size, (uint64_t) val);
+
+	pciio_config_set(device_vertex, (unsigned)where, size, (uint64_t)val);
 	return PCIBIOS_SUCCESSFUL;
 }
 
 struct pci_ops sn_pci_ops = {
 	.read = sn_read_config,
-	.write = sn_write_config
+	.write = sn_write_config,
 };
 
-/*
- * sn_pci_find_bios - SNIA64 pci_find_bios() platform specific code.
- */
-void __init
-sn_pci_find_bios(void)
-{
-	extern struct pci_ops *pci_root_ops;
-	/*
-	 * Go initialize our IO Infrastructure ..
-	 */
-	extern void sgi_master_io_infr_init(void);
-
-	sgi_master_io_infr_init();
-
-	/* sn_io_infrastructure_init(); */
-	pci_root_ops = &sn_pci_ops;
-}
-
-void
-pci_fixup_ioc3(struct pci_dev *d)
-{
-        int 		i;
-	unsigned int 	size;
-
-        /* IOC3 only decodes 0x20 bytes of the config space, reading
-	 * beyond that is relatively benign but writing beyond that
-	 * (especially the base address registers) will shut down the
-	 * pci bus...so avoid doing so.
-	 * NOTE: this means we can't program the intr_pin into the device,
-	 *       currently we hack this with special code in 
-	 *	 sgi_pci_intr_support()
-	 */
-        DBG("pci_fixup_ioc3: Fixing base addresses for ioc3 device %s\n", pci_name(d));
-
-	/* I happen to know from the spec that the ioc3 needs only 0xfffff 
-	 * The standard pci trick of writing ~0 to the baddr and seeing
-	 * what comes back doesn't work with the ioc3
-	 */
-	size = 0xfffff;
-	d->resource[0].end = (unsigned long) d->resource[0].start + (unsigned long) size;
-
-	/*
-	 * Zero out the resource structure .. because we did not go through 
-	 * the normal PCI Infrastructure Init, garbbage are left in these 
-	 * fileds.
-	 */
-        for (i = 1; i <= PCI_ROM_RESOURCE; i++) {
-                d->resource[i].start = 0UL;
-                d->resource[i].end = 0UL;
-                d->resource[i].flags = 0UL;
-        }
-
-        d->subsystem_vendor = 0;
-        d->subsystem_device = 0;
-
-}
-
 #else
-void sn_pci_find_bios(void) {}
-void pci_fixup_ioc3(struct pci_dev *d) {}
 struct list_head pci_root_buses;
 struct list_head pci_root_buses;
 struct list_head pci_devices;
-
 #endif /* CONFIG_PCI */

arch/ia64/sn/io/machvec/pci_bus_cvlink.c

@@ -411,34 +411,6 @@ sn_dma_flush_init(unsigned long start, unsigned long end, int idx, int pin, int
 	}
 }
 
-/*
- * Most drivers currently do not properly tell the arch specific pci dma
- * interfaces whether they can handle A64. Here is where we privately
- * keep track of this.
- */
-static void __init
-set_sn_pci64(struct pci_dev *dev)
-{
-	unsigned short vendor = dev->vendor;
-	unsigned short device = dev->device;
-
-	if (vendor == PCI_VENDOR_ID_QLOGIC) {
-		if ((device == PCI_DEVICE_ID_QLOGIC_ISP2100) ||
-				(device == PCI_DEVICE_ID_QLOGIC_ISP2200)) {
-			SET_PCIA64(dev);
-			return;
-		}
-	}
-
-	if (vendor == PCI_VENDOR_ID_SGI) {
-		if (device == PCI_DEVICE_ID_SGI_IOC3) {
-			SET_PCIA64(dev);
-			return;
-		}
-	}
-
-}
-
 /*
  * sn_pci_fixup() - This routine is called when platform_pci_fixup() is 
  *	invoked at the end of pcibios_init() to link the Linux pci 
@@ -455,10 +427,9 @@ sn_pci_fixup(int arg)
 	struct sn_widget_sysdata *widget_sysdata;
 	struct sn_device_sysdata *device_sysdata;
 	pciio_intr_t intr_handle;
-	int cpuid, bit;
+	int cpuid;
 	vertex_hdl_t device_vertex;
 	pciio_intr_line_t lines;
-	extern void sn_pci_find_bios(void);
 	extern int numnodes;
 	int cnode;
 
@@ -466,8 +437,11 @@ sn_pci_fixup(int arg)
 #ifdef CONFIG_PROC_FS
 		extern void register_sn_procfs(void);
 #endif
-
-		sn_pci_find_bios();
+		extern void irix_io_init(void);
+		
+		init_hcl();
+		irix_io_init();
+		
 		for (cnode = 0; cnode < numnodes; cnode++) {
 			extern void intr_init_vecblk(nodepda_t *npda, cnodeid_t, int);
 			intr_init_vecblk(NODEPDA(cnode), cnode, 0);
@@ -512,32 +486,25 @@ sn_pci_fixup(int arg)
 		unsigned int irq;
 		int idx;
 		u16 cmd;
-		vertex_hdl_t vhdl;
 		unsigned long size;
 		extern int bit_pos_to_irq(int);
 
-		if (device_dev->vendor == PCI_VENDOR_ID_SGI &&
-				device_dev->device == PCI_DEVICE_ID_SGI_IOC3) {
-			extern void pci_fixup_ioc3(struct pci_dev *d);
-			pci_fixup_ioc3(device_dev);
-		}
-
 		/* Set the device vertex */
 
 		device_sysdata = kmalloc(sizeof(struct sn_device_sysdata),
-					GFP_KERNEL);
+					 GFP_KERNEL);
 		device_sysdata->vhdl = devfn_to_vertex(device_dev->bus->number, device_dev->devfn);
 		device_sysdata->isa64 = 0;
-		/*
-		 * Set the xbridge Device(X) Write Buffer Flush and Xbow Flush 
-		 * register addresses.
-		 */
-		(void) set_flush_addresses(device_dev, device_sysdata);
+		device_vertex = device_sysdata->vhdl;
 
 		device_dev->sysdata = (void *) device_sysdata;
-		set_sn_pci64(device_dev);
 		set_isPIC(device_sysdata);
 
+		/*
+		 * Set the xbridge Device(X) Write Buffer Flush and Xbow Flush 
+		 * register addresses.
+		 */
+		set_flush_addresses(device_dev, device_sysdata);
 		pci_read_config_word(device_dev, PCI_COMMAND, &cmd);
 
 		/*
@@ -546,13 +513,12 @@ sn_pci_fixup(int arg)
 		 * read from the card and it was set in the card by our
 		 * Infrastructure ..
 		 */
-		vhdl = device_sysdata->vhdl;
 		for (idx = 0; idx < PCI_ROM_RESOURCE; idx++) {
 			size = 0;
 			size = device_dev->resource[idx].end -
 				device_dev->resource[idx].start;
 			if (size) {
-				device_dev->resource[idx].start = (unsigned long)pciio_pio_addr(vhdl, 0, PCIIO_SPACE_WIN(idx), 0, size, 0, (IS_PIC_DEVICE(device_dev)) ? 0 : PCIIO_BYTE_STREAM);
+				device_dev->resource[idx].start = (unsigned long)pciio_pio_addr(device_vertex, 0, PCIIO_SPACE_WIN(idx), 0, size, 0, (IS_PIC_DEVICE(device_dev)) ? 0 : PCIIO_BYTE_STREAM);
 				device_dev->resource[idx].start |= __IA64_UNCACHED_OFFSET;
 			}
 			else
@@ -567,28 +533,6 @@ sn_pci_fixup(int arg)
 			if (device_dev->resource[idx].flags & IORESOURCE_MEM)
 				cmd |= PCI_COMMAND_MEMORY;
 		}
-#if 0
-	/*
-	 * Software WAR for a Software BUG.
-	 * This is only temporary.
-	 * See PV 872791
-	 */
-
-		/*
-		 * Now handle the ROM resource ..
-		 */
-		size = device_dev->resource[PCI_ROM_RESOURCE].end -
-			device_dev->resource[PCI_ROM_RESOURCE].start;
-
-		if (size) {
-			device_dev->resource[PCI_ROM_RESOURCE].start =
-			(unsigned long) pciio_pio_addr(vhdl, 0, PCIIO_SPACE_ROM, 0, 
-				size, 0, (IS_PIC_DEVICE(device_dev)) ? 0 : PCIIO_BYTE_STREAM);
-			device_dev->resource[PCI_ROM_RESOURCE].start |= __IA64_UNCACHED_OFFSET;
-			device_dev->resource[PCI_ROM_RESOURCE].end =
-			device_dev->resource[PCI_ROM_RESOURCE].start + size;
-		}
-#endif
 
 		/*
 		 * Update the Command Word on the Card.
@@ -596,16 +540,10 @@ sn_pci_fixup(int arg)
 		cmd |= PCI_COMMAND_MASTER; /* If the device doesn't support */
 					   /* bit gets dropped .. no harm */
 		pci_write_config_word(device_dev, PCI_COMMAND, cmd);
-
-		pci_read_config_byte(device_dev, PCI_INTERRUPT_PIN, (unsigned char *)&lines);
-		if (device_dev->vendor == PCI_VENDOR_ID_SGI &&
-			device_dev->device == PCI_DEVICE_ID_SGI_IOC3 ) {
-				lines = 1;
-		}
- 
-		device_sysdata = (struct sn_device_sysdata *)device_dev->sysdata;
-		device_vertex = device_sysdata->vhdl;
- 
+		
+		pci_read_config_byte(device_dev, PCI_INTERRUPT_PIN,
+				     (unsigned char *)&lines);
+	 
 		irqpdaindr->current = device_dev;
 		intr_handle = pciio_intr_alloc(device_vertex, NULL, lines, device_vertex);
 
@@ -622,7 +560,8 @@ sn_pci_fixup(int arg)
 
 			size = device_dev->resource[idx].end -
 				device_dev->resource[idx].start;
-			if (size == 0) continue;
+			if (size == 0)
+				continue;
 
 			for (i=0; i<8; i++) {
 				if (ibits & (1 << i) ) {
@@ -636,22 +575,6 @@ sn_pci_fixup(int arg)
 		}
 
 	}
-#ifdef ajmtestintr
-		{
-			int slot = PCI_SLOT(device_dev->devfn);
-			static int timer_set = 0;
-			pcibr_intr_t	pcibr_intr = (pcibr_intr_t)intr_handle;
-			pcibr_soft_t	pcibr_soft = pcibr_intr->bi_soft;
-			extern void intr_test_handle_intr(int, void*, struct pt_regs *);
-
-			if (!timer_set) {
-				intr_test_set_timer();
-				timer_set = 1;
-			}
-			intr_test_register_irq(irq, pcibr_soft, slot);
-			request_irq(irq, intr_test_handle_intr,0,NULL, NULL);
-		}
-#endif
 }
 
 /*
@@ -928,3 +851,37 @@ pci_bus_to_hcl_cvlink(void)
 
 	return(0);
 }
+
+/*
+ * Ugly hack to get PCI setup until we have a proper ACPI namespace.
+ */
+extern struct pci_ops sn_pci_ops;
+int __init
+sn_pci_init (void)
+{
+#	define PCI_BUSES_TO_SCAN 256
+	int i = 0;
+	struct pci_controller *controller;
+
+	/*
+	 * set pci_raw_ops, etc.
+	 */
+	sn_pci_fixup(0);
+
+	controller = kmalloc(sizeof(struct pci_controller), GFP_KERNEL);
+	if (controller) {
+		memset(controller, 0, sizeof(struct pci_controller));
+		/* just allocate some devices and fill in the pci_dev structs */
+		for (i = 0; i < PCI_BUSES_TO_SCAN; i++)
+			pci_scan_bus(i, &sn_pci_ops, controller);
+	}
+
+	/*
+	 * actually find devices and fill in hwgraph structs
+	 */
+	sn_pci_fixup(1);
+
+	return 0;
+}
+
+subsys_initcall(sn_pci_init);

arch/ia64/sn/io/platform_init/sgi_io_init.c

@@ -9,15 +9,13 @@
 #include <linux/types.h>
 #include <linux/config.h>
 #include <linux/slab.h>
+#include <linux/smp.h>
 #include <asm/sn/sgi.h>
 #include <asm/sn/io.h>
 #include <asm/sn/sn_cpuid.h>
 #include <asm/sn/klconfig.h>
 #include <asm/sn/sn_private.h>
 #include <asm/sn/pda.h>
-#include <linux/smp.h>
-
-extern int init_hcl(void);
 
 /*
  * per_hub_init
@@ -80,30 +78,3 @@ per_hub_init(cnodeid_t cnode)
 	/* Initialize error interrupts for this hub. */
 	hub_error_init(cnode);
 }
-
-/*
- * This routine is responsible for the setup of all the IRIX hwgraph style
- * stuff that's been pulled into linux.  It's called by sn_pci_find_bios which
- * is called just before the generic Linux PCI layer does its probing (by 
- * platform_pci_fixup aka sn_pci_fixup).
- *
- * It is very IMPORTANT that this call is only made by the Master CPU!
- *
- */
-
-void
-sgi_master_io_infr_init(void)
-{
-	extern void irix_io_init(void);
-
-	init_hcl(); /* Sets up the hwgraph compatibility layer with devfs */
-	irix_io_init(); /* Do IRIX Compatibility IO Init */
-
-#ifdef	CONFIG_KDB
-	{
-		extern void kdba_io_init(void);
-		kdba_io_init();
-	}
-#endif
-
-}

arch/ia64/sn/io/sn2/pcibr/pcibr_dvr.c

@@ -474,11 +474,6 @@ pcibr_try_set_device(pcibr_soft_t pcibr_soft,
 	     */
 	    if (bad) {
 		pcibr_unlock(pcibr_soft, s);
-#ifdef PIC_LATER
-		PCIBR_DEBUG((PCIBR_DEBUG_DEVREG, pcibr_soft->bs_vhdl,
-			    "pcibr_try_set_device: mod blocked by %x\n",
-			    bad, device_bits));
-#endif
 		return bad;
 	    }
 	}
@@ -519,13 +514,7 @@ pcibr_try_set_device(pcibr_soft_t pcibr_soft,
     }
     pcibr_unlock(pcibr_soft, s);
 
-#ifdef PIC_LATER
-    PCIBR_DEBUG((PCIBR_DEBUG_DEVREG, pcibr_soft->bs_vhdl,
-		"pcibr_try_set_device: Device(%d): %x\n",
-		slot, new, device_bits));
-#else
     printk("pcibr_try_set_device: Device(%d): %x\n", slot, new);
-#endif
     return 0;
 }
 
@@ -824,14 +813,7 @@ pcibr_driver_reg_callback(vertex_hdl_t pconn_vhdl,
     slot = PCIBR_INFO_SLOT_GET_INT(pciio_info);
 
     pcibr_soft = pcibr_soft_get(pcibr_vhdl);
-
-#ifdef PIC_LATER
-    /* This may be a loadable driver so lock out any pciconfig actions */
-    mrlock(pcibr_soft->bs_bus_lock, MR_UPDATE, PZERO);
-#endif
-
     pcibr_info->f_att_det_error = error;
-
     pcibr_soft->bs_slot[slot].slot_status &= ~SLOT_STATUS_MASK;
 
     if (error) {
@@ -839,11 +821,6 @@ pcibr_driver_reg_callback(vertex_hdl_t pconn_vhdl,
     } else {
         pcibr_soft->bs_slot[slot].slot_status |= SLOT_STARTUP_CMPLT;
     }
-        
-#ifdef PIC_LATER
-    /* Release the bus lock */
-    mrunlock(pcibr_soft->bs_bus_lock);
-#endif
 }
 
 /*
@@ -875,14 +852,7 @@ pcibr_driver_unreg_callback(vertex_hdl_t pconn_vhdl,
     slot = PCIBR_INFO_SLOT_GET_INT(pciio_info);
 
     pcibr_soft = pcibr_soft_get(pcibr_vhdl);
-
-#ifdef PIC_LATER
-    /* This may be a loadable driver so lock out any pciconfig actions */
-    mrlock(pcibr_soft->bs_bus_lock, MR_UPDATE, PZERO);
-#endif
-
     pcibr_info->f_att_det_error = error;
-
     pcibr_soft->bs_slot[slot].slot_status &= ~SLOT_STATUS_MASK;
 
     if (error) {
@@ -890,11 +860,6 @@ pcibr_driver_unreg_callback(vertex_hdl_t pconn_vhdl,
     } else {
         pcibr_soft->bs_slot[slot].slot_status |= SLOT_SHUTDOWN_CMPLT;
     }
-
-#ifdef PIC_LATER
-    /* Release the bus lock */
-    mrunlock(pcibr_soft->bs_bus_lock);
-#endif
 }
 
 /* 
@@ -1245,9 +1210,6 @@ pcibr_attach2(vertex_hdl_t xconn_vhdl, bridge_t *bridge,
      * Initialize bridge and bus locks
      */
     spin_lock_init(&pcibr_soft->bs_lock);
-#ifdef PIC_LATER
-    mrinit(pcibr_soft->bs_bus_lock, "bus_lock");
-#endif
     /*
      * If we have one, process the hints structure.
      */
@@ -2250,17 +2212,10 @@ pcibr_addr_pci_to_xio(vertex_hdl_t pconn_vhdl,
 	     * arguments fails so sprintf() it into a temporary string.
 	     */
 	    if (pcibr_debug_mask & PCIBR_DEBUG_PIOMAP) {
-#ifdef PIC_LATER
-	        sprintf(tmp_str, "pcibr_addr_pci_to_xio: map to %x[%x..%x] for "
-		        "slot %d allocates DevIO(%d) Device(%d) set to %x\n",
-		        space, space_desc, pci_addr, pci_addr + req_size - 1,
-		        slot, win, win, devreg, device_bits);
-#else
 	        sprintf(tmp_str, "pcibr_addr_pci_to_xio: map to [%lx..%lx] for "
 		        "slot %d allocates DevIO(%d) Device(%d) set to %lx\n",
 		        (unsigned long)pci_addr, (unsigned long)(pci_addr + req_size - 1),
 		        (unsigned int)slot, win, win, (unsigned long)devreg);
-#endif
 	        PCIBR_DEBUG((PCIBR_DEBUG_PIOMAP, pconn_vhdl, "%s", tmp_str));
 	    }
 	    goto done;
@@ -2291,11 +2246,6 @@ pcibr_addr_pci_to_xio(vertex_hdl_t pconn_vhdl,
             pcibr_info->f_window[bar].w_devio_index = win;
 
 	if (pcibr_debug_mask & PCIBR_DEBUG_PIOMAP) {
-#ifdef PIC_LATER
-	    sprintf(tmp_str, "pcibr_addr_pci_to_xio: map to %x[%x..%x] for "
-		    "slot %d uses DevIO(%d)\n", space, space_desc, pci_addr,
-		    pci_addr + req_size - 1, slot, win);
-#endif
 	    PCIBR_DEBUG((PCIBR_DEBUG_PIOMAP, pconn_vhdl, "%s", tmp_str));
 	}
 	goto done;
@@ -2392,14 +2342,6 @@ pcibr_addr_pci_to_xio(vertex_hdl_t pconn_vhdl,
 	    ;
 	} else if (bfo != 0) {		/* we have a conflict. */
 	    if (pcibr_debug_mask & PCIBR_DEBUG_PIOMAP) {
-#ifdef PIC_LATER
-	        sprintf(tmp_str, "pcibr_addr_pci_to_xio: swap conflict in %x, "
-		        "was%s%s, want%s%s\n", space, space_desc,
-		        bfo & PCIIO_BYTE_STREAM ? " BYTE_STREAM" : "",
-		        bfo & PCIIO_WORD_VALUES ? " WORD_VALUES" : "",
-		        bfn & PCIIO_BYTE_STREAM ? " BYTE_STREAM" : "",
-		        bfn & PCIIO_WORD_VALUES ? " WORD_VALUES" : "");
-#endif
 	        PCIBR_DEBUG((PCIBR_DEBUG_PIOMAP, pconn_vhdl, "%s", tmp_str));
 	    }
 	    xio_addr = XIO_NOWHERE;
@@ -2432,12 +2374,6 @@ pcibr_addr_pci_to_xio(vertex_hdl_t pconn_vhdl,
 	    *bfp = bfn;			/* record the assignment */
 
 	    if (pcibr_debug_mask & PCIBR_DEBUG_PIOMAP) {
-#ifdef PIC_LATER
-	        sprintf(tmp_str, "pcibr_addr_pci_to_xio: swap for %x set "
-			"to%s%s\n", space, space_desc,
-		        bfn & PCIIO_BYTE_STREAM ? " BYTE_STREAM" : "",
-		        bfn & PCIIO_WORD_VALUES ? " WORD_VALUES" : "");
-#endif
 	        PCIBR_DEBUG((PCIBR_DEBUG_PIOMAP, pconn_vhdl, "%s", tmp_str));
 	    }
 	}
@@ -2740,10 +2676,6 @@ pcibr_piospace_free(vertex_hdl_t pconn_vhdl,
 		    size_t req_size)
 {
     pcibr_info_t            pcibr_info = pcibr_info_get(pconn_vhdl);
-#ifdef PIC_LATER
-    pcibr_soft_t            pcibr_soft = (pcibr_soft_t) pcibr_info->f_mfast;
-#endif
-
     pciio_piospace_t        piosp;
     unsigned long           s;
     char                    name[1024];
@@ -3395,10 +3327,6 @@ pcibr_dmamap_addr(pcibr_dmamap_t pcibr_dmamap,
 void
 pcibr_dmamap_done(pcibr_dmamap_t pcibr_dmamap)
 {
-#ifdef PIC_LATER
-    pcibr_soft_t            pcibr_soft = pcibr_dmamap->bd_soft;
-    pciio_slot_t            slot = PCIBR_SLOT_TO_DEVICE(pcibr_soft,
-#endif
     /*
      * We could go through and invalidate ATEs here;
      * for performance reasons, we don't.
@@ -3719,72 +3647,8 @@ pcibr_provider_shutdown(vertex_hdl_t pcibr)
 int
 pcibr_reset(vertex_hdl_t conn)
 {
-#ifdef PIC_LATER
-    pciio_info_t            pciio_info = pciio_info_get(conn);
-    pciio_slot_t            pciio_slot = PCIBR_INFO_SLOT_GET_INT(pciio_info);
-    pcibr_soft_t            pcibr_soft = (pcibr_soft_t) pciio_info_mfast_get(pciio_info);
-    bridge_t               *bridge = pcibr_soft->bs_base;
-    bridgereg_t             ctlreg;
-    unsigned                cfgctl[8];
-    unsigned long           s;
-    int                     f, nf;
-    pcibr_info_h            pcibr_infoh;
-    pcibr_info_t            pcibr_info;
-    int                     win;
-    int                     error = 0;
-#endif	/* PIC_LATER */
-
 	BUG();
-#ifdef PIC_LATER
-    if (pcibr_soft->bs_slot[pciio_slot].has_host) {
-	pciio_slot = pcibr_soft->bs_slot[pciio_slot].host_slot;
-	pcibr_info = pcibr_soft->bs_slot[pciio_slot].bss_infos[0];
-    }
-
-    if ((pciio_slot >= pcibr_soft->bs_first_slot) &&
-        (pciio_slot <= pcibr_soft->bs_last_reset)) {
-	s = pcibr_lock(pcibr_soft);
-	nf = pcibr_soft->bs_slot[pciio_slot].bss_ninfo;
-	pcibr_infoh = pcibr_soft->bs_slot[pciio_slot].bss_infos;
-	for (f = 0; f < nf; ++f)
-	    if (pcibr_infoh[f])
-		cfgctl[f] = pcibr_func_config_get(bridge, pciio_slot, f,
-							PCI_CFG_COMMAND/4);
-
-        error = iobrick_pci_slot_rst(pcibr_soft->bs_l1sc,
-                             pcibr_widget_to_bus(pcibr_soft->bs_vhdl),
-                             PCIBR_DEVICE_TO_SLOT(pcibr_soft,pciio_slot),
-                             NULL);
-
-	ctlreg = bridge->b_wid_control;
-	bridge->b_wid_control = ctlreg & ~BRIDGE_CTRL_RST_PIN(pciio_slot);
-        nano_delay(&ts);
-	bridge->b_wid_control = ctlreg | BRIDGE_CTRL_RST_PIN(pciio_slot);
-        nano_delay(&ts);
-
-	for (f = 0; f < nf; ++f)
-	    if ((pcibr_info = pcibr_infoh[f]))
-		for (win = 0; win < 6; ++win)
-		    if (pcibr_info->f_window[win].w_base != 0)
-			pcibr_func_config_set(bridge, pciio_slot, f,
-					PCI_CFG_BASE_ADDR(win) / 4, 
-					pcibr_info->f_window[win].w_base);
-	for (f = 0; f < nf; ++f)
-	    if (pcibr_infoh[f])
-		pcibr_func_config_set(bridge, pciio_slot, f,
-					PCI_CFG_COMMAND / 4,
-					cfgctl[f]);
-	pcibr_unlock(pcibr_soft, s);
-
-	if (error)
-            return(-1);
-
-	return 0;
-    }
-    PCIBR_DEBUG_ALWAYS((PCIBR_DEBUG_DETACH, conn,
-    		"pcibr_reset unimplemented for slot %d\n", conn, pciio_slot));
-#endif	/* PIC_LATER */
-    return -1;
+	return -1;
 }
 
 pciio_endian_t
@@ -3836,13 +3700,7 @@ pcibr_endian_set(vertex_hdl_t pconn_vhdl,
     }
     pcibr_unlock(pcibr_soft, s);
 
-#ifdef PIC_LATER
-    PCIBR_DEBUG_ALWAYS((PCIBR_DEBUG_DEVREG, pconn_vhdl,
-    		"pcibr_endian_set: Device(%d): %x\n",
-		pciio_slot, devreg, device_bits));
-#else
     printk("pcibr_endian_set: Device(%d): %x\n", pciio_slot, devreg);
-#endif
     return desired_end;
 }
 
@@ -4026,13 +3884,7 @@ pcibr_device_flags_set(vertex_hdl_t pconn_vhdl,
 	    }
 	}
 	pcibr_unlock(pcibr_soft, s);
-#ifdef PIC_LATER
-	PCIBR_DEBUG_ALWAYS((PCIBR_DEBUG_DEVREG, pconn_vhdl,
-		    "pcibr_device_flags_set: Device(%d): %x\n",
-		    pciio_slot, devreg, device_bits));
-#else
 	printk("pcibr_device_flags_set: Device(%d): %x\n", pciio_slot, devreg);
-#endif
     }
     return (1);
 }

arch/ia64/sn/io/sn2/shub.c

@@ -199,10 +199,9 @@ shubstats_ioctl(struct inode *inode, struct file *file,
 {
         cnodeid_t       cnode;
         uint64_t        longarg;
-        vertex_hdl_t	d;
 	int		nasid;
 
-        cnode = (cnodeid_t)hwgraph_fastinfo_get(d);
+        cnode = (cnodeid_t)file->f_dentry->d_fsdata;
 
         switch (cmd) {
 	case SNDRV_SHUB_CONFIGURE:

arch/ia64/sn/io/sn2/shuberror.c

@@ -52,7 +52,6 @@ void
 hub_error_clear(nasid_t nasid)
 {
 	int i;
-	hubreg_t idsr;
 
     /*
      * Make sure spurious write response errors are cleared

arch/ia64/sn/io/xswitch.c

@@ -30,40 +30,8 @@
  */
 
 #include <asm/sn/xtalk/xbow.h>
-#define DEV_FUNC(dev,func)      xbow_##func
-
-#if !defined(DEV_FUNC)
-/*
- * There is more than one possible provider
- * for this platform. We need to examine the
- * master vertex of the current vertex for
- * a provider function structure, and indirect
- * through the appropriately named member.
- */
-#define	DEV_FUNC(dev,func)	xwidget_to_provider_fns(dev)->func
-
-static xswitch_provider_t *
-xwidget_to_provider_fns(vertex_hdl_t xconn)
-{
-    vertex_hdl_t            busv;
-    xswitch_info_t          xswitch_info;
-    xswitch_provider_t      provider_fns;
-
-    busv = hwgraph_connectpt_get(xconn_vhdl);
-    ASSERT(busv != GRAPH_VERTEX_NONE);
-
-    xswitch_info = xswitch_info_get(busv);
-    ASSERT(xswitch_info != NULL);
-
-    provider_fns = xswitch_info->xswitch_fns;
-    ASSERT(provider_fns != NULL);
-
-    return provider_fns;
-}
-#endif
 
 #define	XSWITCH_CENSUS_BIT(port)		(1<<(port))
-#define	XSWITCH_CENSUS_PORT_MIN			(0x0)
 #define	XSWITCH_CENSUS_PORT_MAX			(0xF)
 #define	XSWITCH_CENSUS_PORTS			(0x10)
 #define	XSWITCH_WIDGET_PRESENT(infop,port)	((infop)->census & XSWITCH_CENSUS_BIT(port))
@@ -94,28 +62,20 @@ xswitch_info_vhdl_set(xswitch_info_t xswitch_info,
 		      xwidgetnum_t port,
 		      vertex_hdl_t xwidget)
 {
-#if XSWITCH_CENSUS_PORT_MIN
-    if (port < XSWITCH_CENSUS_PORT_MIN)
-	return;
-#endif
     if (port > XSWITCH_CENSUS_PORT_MAX)
 	return;
 
-    xswitch_info->vhdl[port - XSWITCH_CENSUS_PORT_MIN] = xwidget;
+    xswitch_info->vhdl[port] = xwidget;
 }
 
 vertex_hdl_t
 xswitch_info_vhdl_get(xswitch_info_t xswitch_info,
 		      xwidgetnum_t port)
 {
-#if XSWITCH_CENSUS_PORT_MIN
-    if (port < XSWITCH_CENSUS_PORT_MIN)
-	return GRAPH_VERTEX_NONE;
-#endif
     if (port > XSWITCH_CENSUS_PORT_MAX)
 	return GRAPH_VERTEX_NONE;
 
-    return xswitch_info->vhdl[port - XSWITCH_CENSUS_PORT_MIN];
+    return xswitch_info->vhdl[port];
 }
 
 /*
@@ -128,28 +88,20 @@ xswitch_info_master_assignment_set(xswitch_info_t xswitch_info,
 				   xwidgetnum_t port,
 				   vertex_hdl_t master_vhdl)
 {
-#if XSWITCH_CENSUS_PORT_MIN
-    if (port < XSWITCH_CENSUS_PORT_MIN)
-	return;
-#endif
     if (port > XSWITCH_CENSUS_PORT_MAX)
 	return;
 
-    xswitch_info->master_vhdl[port - XSWITCH_CENSUS_PORT_MIN] = master_vhdl;
+    xswitch_info->master_vhdl[port] = master_vhdl;
 }
 
 vertex_hdl_t
 xswitch_info_master_assignment_get(xswitch_info_t xswitch_info,
 				   xwidgetnum_t port)
 {
-#if XSWITCH_CENSUS_PORT_MIN
-    if (port < XSWITCH_CENSUS_PORT_MIN)
-	return GRAPH_VERTEX_NONE;
-#endif
     if (port > XSWITCH_CENSUS_PORT_MAX)
 	return GRAPH_VERTEX_NONE;
 
-    return xswitch_info->master_vhdl[port - XSWITCH_CENSUS_PORT_MIN];
+    return xswitch_info->master_vhdl[port];
 }
 
 void
@@ -170,9 +122,7 @@ xswitch_info_new(vertex_hdl_t xwidget)
 
 	NEW(xswitch_info);
 	xswitch_info->census = 0;
-	for (port = XSWITCH_CENSUS_PORT_MIN;
-	     port <= XSWITCH_CENSUS_PORT_MAX;
-	     port++) {
+	for (port = 0; port <= XSWITCH_CENSUS_PORT_MAX; port++) {
 	    xswitch_info_vhdl_set(xswitch_info, port,
 				  GRAPH_VERTEX_NONE);
 
@@ -204,11 +154,6 @@ xswitch_info_link_is_ok(xswitch_info_t xswitch_info, xwidgetnum_t port)
 int
 xswitch_info_link_ok(xswitch_info_t xswitch_info, xwidgetnum_t port)
 {
-#if XSWITCH_CENSUS_PORT_MIN
-    if (port < XSWITCH_CENSUS_PORT_MIN)
-	return 0;
-#endif
-
     if (port > XSWITCH_CENSUS_PORT_MAX)
 	return 0;
 
@@ -218,6 +163,5 @@ xswitch_info_link_ok(xswitch_info_t xswitch_info, xwidgetnum_t port)
 int
 xswitch_reset_link(vertex_hdl_t xconn_vhdl)
 {
-    return DEV_FUNC(xconn_vhdl, reset_link)
-	(xconn_vhdl);
+    return xbow_reset_link(xconn_vhdl);
 }

arch/ia64/sn/kernel/Makefile

@@ -9,8 +9,6 @@
 
 EXTRA_CFLAGS := -DLITTLE_ENDIAN
 
-obj-y				:= probe.o setup.o sv.o bte.o irq.o mca.o \
-				   idle.o sn2/
-
+obj-y				+= probe.o setup.o bte.o irq.o mca.o idle.o sn2/
 obj-$(CONFIG_IA64_GENERIC)      += machvec.o
 obj-$(CONFIG_MODULES)           += sn_ksyms.o

arch/ia64/sn/kernel/mca.c

@@ -121,14 +121,17 @@ sn_cpei_handler(int irq, void *devid, struct pt_regs *regs)
 
 
 static void
-sn_cpei_timer_handler(unsigned long dummy) {
+sn_cpei_timer_handler(unsigned long dummy)
+{
 	sn_cpei_handler(-1, NULL, NULL);
 	mod_timer(&sn_cpei_timer, jiffies + CPEI_INTERVAL);
 }
 
 void
-sn_init_cpei_timer() {
+sn_init_cpei_timer(void)
+{
+	init_timer(&sn_cpei_timer);
 	sn_cpei_timer.expires = jiffies + CPEI_INTERVAL;
         sn_cpei_timer.function = sn_cpei_timer_handler;
-        add_timer(&sn_cpei_timer);
+	add_timer(&sn_cpei_timer);
 }

arch/ia64/sn/kernel/setup.c

@@ -280,7 +280,7 @@ sn_setup(char **cmdline_p)
 	else
 		sn_rtc_cycles_per_second = ticks_per_sec;
 
-	platform_intr_list[ACPI_INTERRUPT_CPEI] = IA64_PCE_VECTOR;
+	platform_intr_list[ACPI_INTERRUPT_CPEI] = IA64_CPE_VECTOR;
 
 
 	if ( IS_RUNNING_ON_SIMULATOR() )

arch/ia64/sn/kernel/sn2/cache.c

@@ -8,7 +8,9 @@
  *
  */
 
-#include <asm/pgalloc.h>
+#include <linux/module.h>
+#include <asm/cacheflush.h>
+#include <asm/system.h>
 
 /**
  * sn_flush_all_caches - flush a range of address from all caches (incl. L4)
@@ -24,5 +26,12 @@ void
 sn_flush_all_caches(long flush_addr, long bytes)
 {
 	flush_icache_range(flush_addr, flush_addr+bytes);
+	/*
+	 * The last call may have returned before the caches
+	 * were actually flushed, so we call it again to make
+	 * sure.
+	 */
+	flush_icache_range(flush_addr, flush_addr+bytes);
 	mb();
 }
+EXPORT_SYMBOL(sn_flush_all_caches);

arch/ia64/sn/kernel/sn2/sn2_smp.c

@@ -41,6 +41,7 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/mmzone.h>
+#include <linux/module.h>
 
 #include <asm/processor.h>
 #include <asm/irq.h>
@@ -214,6 +215,7 @@ sn_send_IPI_phys(long physid, int vector, int delivery_mode)
 	}
 
 }
+EXPORT_SYMBOL(sn_send_IPI_phys);
 
 /**
  * sn2_send_IPI - send an IPI to a processor

arch/ia64/sn/kernel/sn_ksyms.c

@@ -13,48 +13,25 @@
 
 #include <linux/config.h>
 #include <linux/module.h>
-
+#include <linux/mm.h>
 #include <asm/machvec.h>
 #include <asm/sn/intr.h>
-
-#include <linux/mm.h>
 #include <asm/sn/sgi.h>
-extern vertex_hdl_t          base_io_scsi_ctlr_vhdl[];
 #include <asm/sn/types.h>
-extern cnodeid_t master_node_get(devfs_handle_t vhdl);
 #include <asm/sn/arch.h>
-EXPORT_SYMBOL(base_io_scsi_ctlr_vhdl);
-EXPORT_SYMBOL(master_node_get);
+#include <asm/sn/bte.h>
+#include <asm/sal.h>
+#include <asm/sn/sn_sal.h>
 
 #ifdef CONFIG_IA64_SGI_SN_DEBUG
 EXPORT_SYMBOL(__pa_debug);
 EXPORT_SYMBOL(__va_debug);
 #endif
 
-/* Support IPIs for loaded modules. */
-EXPORT_SYMBOL(sn_send_IPI_phys);
-
-/* symbols referenced by partitioning modules */
-#include <asm/sn/bte.h>
 EXPORT_SYMBOL(bte_copy);
 EXPORT_SYMBOL(bte_unaligned_copy);
-#include <asm/sal.h>
 EXPORT_SYMBOL(ia64_sal);
-EXPORT_SYMBOL(physical_node_map);
-
-#include <asm/sn/sn_sal.h>
 EXPORT_SYMBOL(sal_lock);
-EXPORT_SYMBOL(sn_partid);
 EXPORT_SYMBOL(sn_local_partid);
-EXPORT_SYMBOL(sn_system_serial_number_string);
-EXPORT_SYMBOL(sn_partition_serial_number);
-
-EXPORT_SYMBOL(sn_mmiob);
-
-/* added by tduffy 04.08.01 to fix depmod issues */
-#include <linux/mmzone.h>
 
-extern nasid_t master_nasid;
-EXPORT_SYMBOL(master_nasid);
 
-EXPORT_SYMBOL(sn_flush_all_caches);

arch/ia64/sn/kernel/sv.c

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
- *
- * This implemenation of synchronization variables is heavily based on
- * one done by Steve Lord <lord@sgi.com>
- *
- * Paul Cassella <pwc@sgi.com>
- */
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-
-#include <asm/semaphore.h>
-#include <asm/hardirq.h>
-#include <asm/current.h>
-
-#include <asm/sn/sv.h>
-
-/* Define this to have sv_test() run some simple tests.
-   kernel_thread() must behave as expected when this is called.  */
-#undef RUN_SV_TEST
-
-#define DEBUG
-
-/* Set up some macros so sv_wait(), sv_signal(), and sv_broadcast()
-   can sanity check interrupt state on architectures where we know
-   how. */
-#ifdef DEBUG
- #define SV_DEBUG_INTERRUPT_STATE
- #ifdef __mips64
-  #define SV_TEST_INTERRUPTS_ENABLED(flags) ((flags & 0x1) != 0)
-  #define SV_TEST_INTERRUPTS_DISABLED(flags) ((flags & 0x1) == 0)
-  #define SV_INTERRUPT_TEST_WORKERS 31
- #elif defined(__ia64)
-  #define SV_TEST_INTERRUPTS_ENABLED(flags) ((flags & 0x4000) != 0)
-  #define SV_TEST_INTERRUPTS_DISABLED(flags) ((flags & 0x4000) == 0)
-  #define SV_INTERRUPT_TEST_WORKERS 4 /* simulator's slow */
- #else
-  #undef  SV_DEBUG_INTERRUPT_STATE
-  #define SV_INTERRUPT_TEST_WORKERS 4 /* reasonable? default. */
- #endif /* __mips64 */
-#endif /* DEBUG */
-
-
-/* XXX FIXME hack hack hack.  Our mips64 tree is from before the
-   switch to WQ_FLAG_EXCLUSIVE, and our ia64 tree is from after it. */
-#ifdef TASK_EXCLUSIVE
-  #undef EXCLUSIVE_IN_QUEUE
-#else
-  #define EXCLUSIVE_IN_QUEUE
-  #define TASK_EXCLUSIVE 0 /* for the set_current_state() in sv_wait() */
-#endif
-
-
-static inline void sv_lock(sv_t *sv) {
-	spin_lock(&sv->sv_lock);
-}
-
-static inline void sv_unlock(sv_t *sv) {
-	spin_unlock(&sv->sv_lock);
-}
-
-/* up() is "extern inline", so we can't pass its address to sv_wait.
-   Use this function's address instead. */
-static void up_wrapper(struct semaphore *sem) {
-	up(sem);
-}
-
-/* spin_unlock() is sometimes a macro. */
-static void spin_unlock_wrapper(spinlock_t *s) {
-	spin_unlock(s);
-}
-
-/* XXX Perhaps sv_wait() should do the switch() each time and avoid
-   the extra indirection and the need for the _wrapper functions? */
-
-static inline void sv_set_mon_type(sv_t *sv, int type) {
-	switch (type) {
-	case SV_MON_SPIN:
-		sv->sv_mon_unlock_func =
-		  (sv_mon_unlock_func_t)spin_unlock_wrapper;
-		break;
-	case SV_MON_SEMA:
-		sv->sv_mon_unlock_func =
-		  (sv_mon_unlock_func_t)up_wrapper;
-		if(sv->sv_flags & SV_INTS) {
-			printk(KERN_ERR "sv_set_mon_type: The monitor lock "
-			       "cannot be shared with interrupts if it is a "
-			       "semaphore!\n");
-			BUG();
-		}
-		if(sv->sv_flags & SV_BHS) {
-			printk(KERN_ERR "sv_set_mon_type: The monitor lock "
-			       "cannot be shared with bottom-halves if it is "
-			       "a semaphore!\n");
-			BUG();
-		}
-		break;
-#if 0 
-	/*
-	 * If needed, and will need to think about interrupts.  This
-	 * may be needed, for example, if someone wants to use sv's
-	 * with something like dev_base; writers need to hold two
-	 * locks. 
-	 */
-	case SV_MON_CUSTOM: 
-		{
-		struct sv_mon_custom *c = lock;
-		sv->sv_mon_unlock_func = c->sv_mon_unlock_func;
-		sv->sv_mon_lock        = c->sv_mon_lock;
-		break;
-		}
-#endif
-		
-	default:
-		printk(KERN_ERR "sv_set_mon_type: unknown type %d (0x%x)! "
-		       "(flags 0x%x)\n", type, type, sv->sv_flags);
-		BUG();
-		break;
-	}
-	sv->sv_flags |= type;
-}
-
-static inline void sv_set_ord(sv_t *sv, int ord) {
-	if (!ord)
-		ord = SV_ORDER_DEFAULT;
-
-	if (ord != SV_ORDER_FIFO && ord != SV_ORDER_LIFO) {
-		printk(KERN_EMERG "sv_set_ord: unknown order %d (0x%x)! ",
-		       ord, ord);
-		BUG();
-	}
-
-	sv->sv_flags |= ord;
-}
-
-void sv_init(sv_t *sv, sv_mon_lock_t *lock, int flags) 
-{
-	int ord = flags & SV_ORDER_MASK;
-	int type = flags & SV_MON_MASK;
-
-	/* Copy all non-order, non-type flags */
-	sv->sv_flags = (flags & ~(SV_ORDER_MASK | SV_MON_MASK));
-
-	if((sv->sv_flags & (SV_INTS | SV_BHS)) == (SV_INTS | SV_BHS)) {
-	  printk(KERN_ERR "sv_init: do not set both SV_INTS and SV_BHS, only SV_INTS.\n");
-	  BUG();
-	}
-
-	sv_set_ord(sv, ord);
-	sv_set_mon_type(sv, type);
-
-	/* If lock is NULL, we'll get it from sv_wait_compat() (and
-           ignore it in sv_signal() and sv_broadcast()). */
-	sv->sv_mon_lock = lock;
-
-	spin_lock_init(&sv->sv_lock);
-	init_waitqueue_head(&sv->sv_waiters);
-}
-
-/*
- * The associated lock must be locked on entry.  It is unlocked on return.
- *
- * Return values:
- *
- * n < 0 : interrupted,  -n jiffies remaining on timeout, or -1 if timeout == 0
- * n = 0 : timeout expired
- * n > 0 : sv_signal()'d, n jiffies remaining on timeout, or 1 if timeout == 0
- */
-signed long sv_wait(sv_t *sv, int sv_wait_flags, unsigned long timeout) 
-{
-	DECLARE_WAITQUEUE( wait, current );
-	unsigned long flags;
-	signed long ret = 0;
-
-#ifdef SV_DEBUG_INTERRUPT_STATE
-	{
-	unsigned long flags;
-	local_save_flags(flags);
-
-	if(sv->sv_flags & SV_INTS) {
-		if(SV_TEST_INTERRUPTS_ENABLED(flags)) {
-			printk(KERN_ERR "sv_wait: SV_INTS and interrupts "
-			       "enabled (flags: 0x%lx)\n", flags);
-			BUG();
-		}
-	} else {
-		if (SV_TEST_INTERRUPTS_DISABLED(flags)) {
-			printk(KERN_WARNING "sv_wait: !SV_INTS and interrupts "
-			       "disabled! (flags: 0x%lx)\n", flags);
-		}
-	}
-	}
-#endif  /* SV_DEBUG_INTERRUPT_STATE */
-
-	sv_lock(sv);
-
-	sv->sv_mon_unlock_func(sv->sv_mon_lock);
-
-	/* Add ourselves to the wait queue and set the state before
-	 * releasing the sv_lock so as to avoid racing with the
-	 * wake_up() in sv_signal() and sv_broadcast(). 
-	 */
-
-	/* don't need the _irqsave part, but there is no wq_write_lock() */
-	write_lock_irqsave(&sv->sv_waiters.lock, flags);
-
-#ifdef EXCLUSIVE_IN_QUEUE
-	wait.flags |= WQ_FLAG_EXCLUSIVE;
-#endif
-
-	switch(sv->sv_flags & SV_ORDER_MASK) {
-	case SV_ORDER_FIFO:
-		__add_wait_queue_tail(&sv->sv_waiters, &wait);
-		break;
-	case SV_ORDER_FILO:
-		__add_wait_queue(&sv->sv_waiters, &wait);
-		break;
-	default:
-		printk(KERN_ERR "sv_wait: unknown order!  (sv: 0x%p, flags: 0x%x)\n",
-					(void *)sv, sv->sv_flags);
-		BUG();
-	}
-	write_unlock_irqrestore(&sv->sv_waiters.lock, flags);
-
-	if(sv_wait_flags & SV_WAIT_SIG)
-		set_current_state(TASK_EXCLUSIVE | TASK_INTERRUPTIBLE  );
-	else
-		set_current_state(TASK_EXCLUSIVE | TASK_UNINTERRUPTIBLE);
-
-	spin_unlock(&sv->sv_lock);
-
-	if(sv->sv_flags & SV_INTS)
-		local_irq_enable();
-	else if(sv->sv_flags & SV_BHS)
-		local_bh_enable();
-
-	if (timeout)
-		ret = schedule_timeout(timeout);
-	else
-		schedule();
-
-	if(current->state != TASK_RUNNING) /* XXX Is this possible? */ {
-		printk(KERN_ERR "sv_wait: state not TASK_RUNNING after "
-		       "schedule().\n");
-		set_current_state(TASK_RUNNING);
-	}
-
-	remove_wait_queue(&sv->sv_waiters, &wait);
-
-	/* Return cases:
-	   - woken by a sv_signal/sv_broadcast
-	   - woken by a signal
-	   - woken by timeout expiring
-	*/
-
-	/* XXX This isn't really accurate; we may have been woken
-           before the signal anyway.... */
-	if(signal_pending(current))
-		return timeout ? -ret : -1;
-	return timeout ? ret : 1;
-}
-
-
-void sv_signal(sv_t *sv) 
-{
-	/* If interrupts can acquire this lock, they can also acquire the
-	   sv_mon_lock, which we must already have to have called this, so
-	   interrupts must be disabled already.  If interrupts cannot
-	   contend for this lock, we don't have to worry about it. */
-
-#ifdef SV_DEBUG_INTERRUPT_STATE
-	if(sv->sv_flags & SV_INTS) {
-		unsigned long flags;
-		local_save_flags(flags);
-		if(SV_TEST_INTERRUPTS_ENABLED(flags))
-			printk(KERN_ERR "sv_signal: SV_INTS and "
-			"interrupts enabled! (flags: 0x%lx)\n", flags);
-	}
-#endif /* SV_DEBUG_INTERRUPT_STATE */
-
-	sv_lock(sv);
-	wake_up(&sv->sv_waiters);
-	sv_unlock(sv);
-}
-
-void sv_broadcast(sv_t *sv) 
-{
-#ifdef SV_DEBUG_INTERRUPT_STATE
-	if(sv->sv_flags & SV_INTS) {
-		unsigned long flags;
-		local_save_flags(flags);
-		if(SV_TEST_INTERRUPTS_ENABLED(flags))
-			printk(KERN_ERR "sv_broadcast: SV_INTS and "
-			       "interrupts enabled! (flags: 0x%lx)\n", flags);
-	}
-#endif /* SV_DEBUG_INTERRUPT_STATE */
-
-	sv_lock(sv);
-	wake_up_all(&sv->sv_waiters);
-	sv_unlock(sv);
-}
-
-void sv_destroy(sv_t *sv) 
-{
-	if(!spin_trylock(&sv->sv_lock)) {
-		printk(KERN_ERR "sv_destroy: someone else has sv 0x%p locked!\n", (void *)sv);
-		BUG();
-	}
-
-	/* XXX Check that the waitqueue is empty? 
-	       Mark the sv destroyed?
-	*/
-}
-
-
-#ifdef RUN_SV_TEST
-
-static DECLARE_MUTEX_LOCKED(talkback);
-static DECLARE_MUTEX_LOCKED(sem);
-sv_t sv;
-sv_t sv_filo;
-
-static int sv_test_1_w(void *arg) 
-{
-	printk("sv_test_1_w: acquiring spinlock 0x%p...\n", arg);
-
-	spin_lock((spinlock_t*)arg);
-	printk("sv_test_1_w: spinlock acquired, waking sv_test_1_s.\n");
-
-	up(&sem);
-
-	printk("sv_test_1_w: sv_spin_wait()'ing.\n");
-
-	sv_spin_wait(&sv, arg);
-
-	printk("sv_test_1_w: talkback.\n");
-	up(&talkback);
-
-	printk("sv_test_1_w: exiting.\n");
-	return 0;
-}
-
-static int sv_test_1_s(void *arg) 
-{
-	printk("sv_test_1_s: waiting for semaphore.\n");
-	down(&sem);
-	printk("sv_test_1_s: semaphore acquired.  Acquiring spinlock.\n");
-	spin_lock((spinlock_t*)arg);
-	printk("sv_test_1_s: spinlock acquired.  sv_signaling.\n");
-	sv_signal(&sv);
-	printk("sv_test_1_s: talkback.\n");
-	up(&talkback);
-	printk("sv_test_1_s: exiting.\n");
-	return 0;
-
-}
-
-static int count;
-static DECLARE_MUTEX(monitor);
-
-static int sv_test_2_w(void *arg) 
-{
-	int dummy = count++;
-	sv_t *sv = (sv_t *)arg;
-
-	down(&monitor);
-	up(&talkback);
-	printk("sv_test_2_w: thread %d started, sv_waiting.\n", dummy);
-	sv_sema_wait(sv, &monitor);
-	printk("sv_test_2_w: thread %d woken, exiting.\n", dummy);
-	up(&sem);
-	return 0;
-}
-
-static int sv_test_2_s_1(void *arg) 
-{
-	int i;
-	sv_t *sv = (sv_t *)arg;
-
-	down(&monitor);
-	for(i = 0; i < 3; i++) {
-		printk("sv_test_2_s_1: waking one thread.\n");
-		sv_signal(sv);
-		down(&sem);
-	}
-
-	printk("sv_test_2_s_1: signaling and broadcasting again.  Nothing should happen.\n");
-	sv_signal(sv);
-	sv_broadcast(sv);
-	sv_signal(sv);
-	sv_broadcast(sv);
-
-	printk("sv_test_2_s_1: talkbacking.\n");
-	up(&talkback);
-	up(&monitor);
-	return 0;
-}
-
-static int sv_test_2_s(void *arg) 
-{
-	int i;
-	sv_t *sv = (sv_t *)arg;
-
-	down(&monitor);
-	for(i = 0; i < 3; i++) {
-		printk("sv_test_2_s: waking one thread (should be %d.)\n", i);
-		sv_signal(sv);
-		down(&sem);
-	}
-
-	printk("sv_test_3_s: waking remaining threads with broadcast.\n");
-	sv_broadcast(sv);
-	for(; i < 10; i++)
-		down(&sem);
-
-	printk("sv_test_3_s: sending talkback.\n");
-	up(&talkback);
-
-	printk("sv_test_3_s: exiting.\n");
-	up(&monitor);
-	return 0;
-}
-
-
-static void big_test(sv_t *sv) 
-{
-	int i;
-
-	count = 0;
-
-	for(i = 0; i < 3; i++) {
-		printk("big_test: spawning thread %d.\n", i);
-		kernel_thread(sv_test_2_w, sv, 0);
-		down(&talkback);
-	}
-
-	printk("big_test: spawning first wake-up thread.\n");
-	kernel_thread(sv_test_2_s_1, sv, 0);
-
-	down(&talkback);
-	printk("big_test: talkback happened.\n");
-
-
-	for(i = 3; i < 13; i++) {
-		printk("big_test: spawning thread %d.\n", i);
-		kernel_thread(sv_test_2_w, sv, 0);
-		down(&talkback);
-	}
-
-	printk("big_test: spawning wake-up thread.\n");
-	kernel_thread(sv_test_2_s, sv, 0);
-
-	down(&talkback);
-}
-
-sv_t int_test_sv;
-spinlock_t int_test_spin = SPIN_LOCK_UNLOCKED;
-int int_test_ready;
-static int irqtestcount;
-
-static int interrupt_test_worker(void *unused) 
-{
-	int id = ++irqtestcount;
-	int it = 0;
-			unsigned long flags, flags2;
-
-	printk("ITW: thread %d started.\n", id);
-
-	while(1) {
-		local_save_flags(flags2);
-		if(jiffies % 3) {
-			printk("ITW %2d %5d: irqsaving          (%lx)\n", id, it, flags2);
-			spin_lock_irqsave(&int_test_spin, flags);
-		} else {
-			printk("ITW %2d %5d: spin_lock_irqing   (%lx)\n", id, it, flags2);
-			spin_lock_irq(&int_test_spin);
-		}
-
-		local_save_flags(flags2);
-		printk("ITW %2d %5d: locked, sv_waiting (%lx).\n", id, it, flags2);
-		sv_wait(&int_test_sv, 0, 0);
-
-		local_save_flags(flags2);
-		printk("ITW %2d %5d: wait finished      (%lx), pausing\n", id, it, flags2);
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(jiffies & 0xf);
-		if(current->state != TASK_RUNNING)
-		  printk("ITW:  current->state isn't RUNNING after schedule!\n");
-		it++;
-	}
-}
-
-static void interrupt_test(void) 
-{
-	int i;
-
-	printk("interrupt_test: initing sv.\n");
-	sv_init(&int_test_sv, &int_test_spin, SV_MON_SPIN | SV_INTS);
-
-	for(i = 0; i < SV_INTERRUPT_TEST_WORKERS; i++) {
-		printk("interrupt_test: starting test thread %d.\n", i);
-		kernel_thread(interrupt_test_worker, 0, 0);
-	}
-	printk("interrupt_test: done with init part.\n");
-	int_test_ready = 1;
-}
-
-int sv_test(void) 
-{
-	spinlock_t s = SPIN_LOCK_UNLOCKED;
-
-	sv_init(&sv, &s, SV_MON_SPIN);
-	printk("sv_test: starting sv_test_1_w.\n");
-	kernel_thread(sv_test_1_w, &s, 0);
-	printk("sv_test: starting sv_test_1_s.\n");
-	kernel_thread(sv_test_1_s, &s, 0);
-
-	printk("sv_test: waiting for talkback.\n");
-	down(&talkback); down(&talkback);
-	printk("sv_test: talkback happened, sv_destroying.\n");
-	sv_destroy(&sv);
-
-	count = 0;
-
-	printk("sv_test: beginning big_test on sv.\n");
-
-	sv_init(&sv, &monitor, SV_MON_SEMA);
-	big_test(&sv);
-	sv_destroy(&sv);
-
-	printk("sv_test: beginning big_test on sv_filo.\n");
-	sv_init(&sv_filo, &monitor, SV_MON_SEMA | SV_ORDER_FILO);
-	big_test(&sv_filo);
-	sv_destroy(&sv_filo);
-
-	interrupt_test();
-
-	printk("sv_test: done.\n");
-	return 0;
-}
-
-__initcall(sv_test);
-
-#endif /* RUN_SV_TEST */

include/asm-ia64/compat.h

@@ -133,7 +133,7 @@ static __inline__ void *
 compat_alloc_user_space (long len)
 {
 	struct pt_regs *regs = ia64_task_regs(current);
-	return (void *) ((regs->r12 & -16) - len);
+	return (void *) (((regs->r12 & 0xffffffff) & -16) - len);
 }
 
 #endif /* _ASM_IA64_COMPAT_H */

include/asm-ia64/hardirq.h

@@ -89,6 +89,7 @@
 #define irq_enter()		(preempt_count() += HARDIRQ_OFFSET)
 
 #ifdef CONFIG_PREEMPT
+# include <linux/smp_lock.h>
 # define in_atomic()		((preempt_count() & ~PREEMPT_ACTIVE) != kernel_locked())
 # define IRQ_EXIT_OFFSET (HARDIRQ_OFFSET-1)
 #else

include/asm-ia64/hw_irq.h

@@ -38,7 +38,9 @@ typedef u8 ia64_vector;
 /*
  * Vectors 0x10-0x1f are used for low priority interrupts, e.g. CMCI.
  */
-#define IA64_PCE_VECTOR			0x1e	/* platform corrected error interrupt vector */
+#define IA64_CPEP_VECTOR		0x1c	/* corrected platform error polling vector */
+#define IA64_CMCP_VECTOR		0x1d	/* correctable machine-check polling vector */
+#define IA64_CPE_VECTOR			0x1e	/* corrected platform error interrupt vector */
 #define IA64_CMC_VECTOR			0x1f	/* correctable machine-check interrupt vector */
 /*
  * Vectors 0x20-0x2f are reserved for legacy ISA IRQs.

include/asm-ia64/iosapic.h

@@ -51,6 +51,7 @@
 
 #ifndef __ASSEMBLY__
 
+#ifdef CONFIG_IOSAPIC
 extern void __init iosapic_system_init (int pcat_compat);
 extern void __init iosapic_init (unsigned long address,
 				    unsigned int gsi_base);
@@ -72,6 +73,14 @@ extern int __init iosapic_register_platform_intr (u32 int_type,
 extern unsigned int iosapic_version (char *addr);
 
 extern void iosapic_pci_fixup (int);
+#else
+#define iosapic_system_init(pcat_compat)			do { } while (0)
+#define iosapic_init(address,gsi_base)				do { } while (0)
+#define iosapic_register_intr(gsi,polarity,trigger)		(gsi)
+#define iosapic_override_isa_irq(isa_irq,gsi,polarity,trigger)	do { } while (0)
+#define iosapic_register_platform_intr(type,gsi,pmi,eid,id, \
+	polarity,trigger)					(gsi)
+#endif
 
 # endif /* !__ASSEMBLY__ */
 #endif /* __ASM_IA64_IOSAPIC_H */

include/asm-ia64/mca.h

@@ -137,7 +137,9 @@ extern void ia64_slave_init_handler(void);
 extern irqreturn_t ia64_mca_rendez_int_handler(int,void *,struct pt_regs *);
 extern irqreturn_t ia64_mca_wakeup_int_handler(int,void *,struct pt_regs *);
 extern irqreturn_t ia64_mca_cmc_int_handler(int,void *,struct pt_regs *);
+extern irqreturn_t ia64_mca_cmc_int_caller(int,void *,struct pt_regs *);
 extern irqreturn_t ia64_mca_cpe_int_handler(int,void *,struct pt_regs *);
+extern irqreturn_t ia64_mca_cpe_int_caller(int,void *,struct pt_regs *);
 extern int  ia64_log_print(int,prfunc_t);
 extern void ia64_mca_cmc_vector_setup(void);
 extern int  ia64_mca_check_errors(void);

include/asm-ia64/percpu.h

@@ -45,6 +45,7 @@ DECLARE_PER_CPU(unsigned long, local_per_cpu_offset);
 #define __get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __ia64_per_cpu_var(local_per_cpu_offset)))
 
 extern void percpu_modcopy(void *pcpudst, const void *src, unsigned long size);
+extern void setup_per_cpu_areas (void);
 
 #else /* ! SMP */
 
@@ -56,10 +57,6 @@ extern void percpu_modcopy(void *pcpudst, const void *src, unsigned long size);
 #define EXPORT_PER_CPU_SYMBOL(var)		EXPORT_SYMBOL(per_cpu__##var)
 #define EXPORT_PER_CPU_SYMBOL_GPL(var)		EXPORT_SYMBOL_GPL(per_cpu__##var)
 
-/* ia64-specific part: */
-
-extern void setup_per_cpu_areas (void);
-
 /*
  * Be extremely careful when taking the address of this variable!  Due to virtual
  * remapping, it is different from the canonical address returned by __get_cpu_var(var)!

include/asm-ia64/sal.h

@@ -68,6 +68,13 @@ extern spinlock_t sal_lock;
 	ia64_load_scratch_fpregs(__ia64_scn_fr);	\
 } while (0)
 
+# define SAL_CALL_REENTRANT(result,args...) do {	\
+	struct ia64_fpreg __ia64_scs_fr[6];		\
+	ia64_save_scratch_fpregs(__ia64_scs_fr);	\
+	__SAL_CALL(result, args);			\
+	ia64_load_scratch_fpregs(__ia64_scs_fr);	\
+} while (0)
+
 #define SAL_SET_VECTORS			0x01000000
 #define SAL_GET_STATE_INFO		0x01000001
 #define SAL_GET_STATE_INFO_SIZE		0x01000002
@@ -665,8 +672,8 @@ static inline s64
 ia64_sal_clear_state_info (u64 sal_info_type)
 {
 	struct ia64_sal_retval isrv;
-    SAL_CALL(isrv, SAL_CLEAR_STATE_INFO, sal_info_type, 0,
-             0, 0, 0, 0, 0);
+	SAL_CALL_REENTRANT(isrv, SAL_CLEAR_STATE_INFO, sal_info_type, 0,
+	              0, 0, 0, 0, 0);
 	return isrv.status;
 }
 
@@ -678,8 +685,8 @@ static inline u64
 ia64_sal_get_state_info (u64 sal_info_type, u64 *sal_info)
 {
 	struct ia64_sal_retval isrv;
-	SAL_CALL(isrv, SAL_GET_STATE_INFO, sal_info_type, 0,
-	         sal_info, 0, 0, 0, 0);
+	SAL_CALL_REENTRANT(isrv, SAL_GET_STATE_INFO, sal_info_type, 0,
+	              sal_info, 0, 0, 0, 0);
 	if (isrv.status)
 		return 0;
 
@@ -694,8 +701,8 @@ static inline u64
 ia64_sal_get_state_info_size (u64 sal_info_type)
 {
 	struct ia64_sal_retval isrv;
-    SAL_CALL(isrv, SAL_GET_STATE_INFO_SIZE, sal_info_type, 0,
-             0, 0, 0, 0, 0);
+	SAL_CALL_REENTRANT(isrv, SAL_GET_STATE_INFO_SIZE, sal_info_type, 0,
+	              0, 0, 0, 0, 0);
 	if (isrv.status)
 		return 0;
 	return isrv.v0;

include/asm-ia64/sn/dmamap.h

@@ -9,8 +9,6 @@
 #ifndef _ASM_IA64_SN_DMAMAP_H
 #define _ASM_IA64_SN_DMAMAP_H
 
-#include <asm/sn/sv.h>
-
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -66,8 +64,6 @@ extern struct map *a32map[];
 extern int a24_mapsize;
 extern int a32_mapsize;
 
-extern sv_t dmamapout;
-
 #ifdef __cplusplus
 }
 #endif

include/asm-ia64/sn/hcl.h

@@ -99,12 +99,12 @@ extern int hwgraph_info_replace_LBL(vertex_hdl_t, char *, arbitrary_info_t,
 extern int hwgraph_info_get_exported_LBL(vertex_hdl_t, char *, int *, arbitrary_info_t *);
 extern int hwgraph_info_get_next_LBL(vertex_hdl_t, char *, arbitrary_info_t *,
                                 labelcl_info_place_t *);
-extern int hwgraph_path_lookup(vertex_hdl_t, char *, vertex_hdl_t *, char **);
 extern int hwgraph_info_export_LBL(vertex_hdl_t, char *, int);
 extern int hwgraph_info_unexport_LBL(vertex_hdl_t, char *);
 extern int hwgraph_info_remove_LBL(vertex_hdl_t, char *, arbitrary_info_t *);
 extern char * vertex_to_name(vertex_hdl_t, char *, uint);
 extern graph_error_t hwgraph_vertex_unref(vertex_hdl_t);
 
+extern int init_hcl(void);
 
 #endif /* _ASM_IA64_SN_HCL_H */

include/asm-ia64/sn/ksys/l1.h

@@ -14,7 +14,6 @@
 #include <asm/sn/vector.h>
 #include <asm/sn/addrs.h>
 #include <asm/atomic.h>
-#include <asm/sn/sv.h>
 
 /* L1 Target Addresses */
 /*

include/asm-ia64/sn/nodepda.h

@@ -127,8 +127,7 @@ typedef struct irqpda_s irqpda_t;
  * Check if given a compact node id the corresponding node has all the
  * cpus disabled. 
  */
-#define is_headless_node(cnode)		((cnode == CNODEID_NONE) ||			\
-					 (node_data(cnode)->active_cpu_count == 0))
+#define is_headless_node(cnode)		(!test_bit(cnode, &node_has_active_cpus))
 
 /*
  * Check if given a node vertex handle the corresponding node has all the

include/asm-ia64/sn/sn2/sn_private.h

@@ -97,7 +97,6 @@ extern void setup_replication_mask(int maxnodes);
 /* init.c */
 extern cnodeid_t get_compact_nodeid(void);	/* get compact node id */
 extern void init_platform_nodepda(nodepda_t *npda, cnodeid_t node);
-extern void per_cpu_init(void);
 extern int is_fine_dirmode(void);
 extern void update_node_information(cnodeid_t);
  
@@ -177,7 +176,7 @@ typedef struct hubinfo_s {
 	/* structures for PIO management */
 	xwidgetnum_t			h_widgetid;	/* my widget # (as viewed from xbow) */
 	struct hub_piomap_s		h_small_window_piomap[HUB_WIDGET_ID_MAX+1];
-	sv_t				h_bwwait;	/* wait for big window to free */
+	wait_queue_head_t		h_bwwait;	/* wait for big window to free */
 	spinlock_t			h_bwlock;	/* guard big window piomap's */
 	spinlock_t			h_crblock;      /* gaurd CRB error handling */
 	int				h_num_big_window_fixed;	/* count number of FIXED maps */

include/asm-ia64/sn/sv.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
- *
- * This implemenation of synchronization variables is heavily based on
- * one done by Steve Lord <lord@sgi.com>
- *
- * Paul Cassella <pwc@sgi.com>
- */
-
-#ifndef _ASM_IA64_SN_SV_H
-#define _ASM_IA64_SN_SV_H
-
-#include <linux/spinlock.h>
-#include <asm/semaphore.h>
-
-#ifndef ASSERT
-
-#define ASSERT(x) do {							  \
-                    if(!(x)) {						  \
-		      printk(KERN_ERR "%s\n", "Assertion failed: " # x);  \
-		      BUG();						  \
-		    }							  \
-                  } while(0)
-#define _SV_ASSERT
-#endif
-
-typedef void sv_mon_lock_t;
-typedef void (*sv_mon_unlock_func_t)(sv_mon_lock_t *lock);
-
-/* sv_flags values: */
-
-#define SV_ORDER_FIFO        0x001
-#define SV_ORDER_FILO        0x002
-#define SV_ORDER_LIFO        SV_ORDER_FILO
-
-/* If at some point one order becomes preferable to others, we can
-   switch to it if the caller of sv_init doesn't specify. */
-#define SV_ORDER_DEFAULT     SV_ORDER_FIFO
-
-#define SV_ORDER_MASK        0x00f
-
-
-#define SV_MON_SEMA          0x010
-#define SV_MON_SPIN          0x020
-
-#define SV_MON_MASK          0x0f0
-
-
-/*
-   If the monitor lock can be aquired from interrupts.  Note that this
-   is a superset of the cases in which the sv can be touched from
-   interrupts.
-
-   This is currently only valid when the monitor lock is a spinlock.
-
-   If this is used, sv_wait, sv_signal, and sv_broadcast must all be
-   called with interrupts disabled, which has to happen anyway to have
-   acquired the monitor spinlock. 
- */
-#define SV_INTS              0x100
-
-/* ditto for bottom halves */
-#define SV_BHS               0x200
-
-
-
-/* sv_wait_flag values: */
-#define SV_WAIT_SIG          0x001 /* Allow sv_wait to be interrupted by a signal */
-
-typedef struct sv_s {
-	wait_queue_head_t sv_waiters;
-	sv_mon_lock_t *sv_mon_lock;   /* Lock held for exclusive access to monitor. */
-	sv_mon_unlock_func_t sv_mon_unlock_func;
-	spinlock_t sv_lock;  /* Spinlock protecting the sv itself. */
-	int sv_flags;
-} sv_t;
-
-#define DECLARE_SYNC_VARIABLE(sv, l, f) sv_t sv = sv_init(&sv, l, f)
-
-/* 
- * @sv the sync variable to initialize
- * @monitor_lock the lock enforcing exclusive running in the monitor
- * @flags one of
- *   SV_MON_SEMA monitor_lock is a semaphore
- *   SV_MON_SPIN monitor_lock is a spinlock
- * and a bitwise or of some subset of
- *   SV_INTS - the monitor lock can be acquired from interrupts (and
- *             hence, whenever we hold it, interrupts are disabled or
- *             we're in an interrupt.)  This is only valid when
- *             SV_MON_SPIN is set.
- */
-void sv_init(sv_t *sv, sv_mon_lock_t *monitor_lock, int flags);
-
-/*
- * Set SV_WAIT_SIG in sv_wait_flags to let the sv_wait be interrupted by signals.
- *
- * timeout is how long to wait before giving up, or 0 to wait
- * indefinitely.  It is given in jiffies, and is relative.
- *
- * The associated lock must be locked on entry.  It is unlocked on return.
- *
- * Return values:
- *
- * n < 0 : interrupted,  -n jiffies remaining on timeout, or -1 if timeout == 0
- * n = 0 : timeout expired
- * n > 0 : sv_signal()'d, n jiffies remaining on timeout, or 1 if timeout == 0
- */
-extern signed long sv_wait(sv_t *sv, int sv_wait_flags,
-			   unsigned long timeout /* relative jiffies */);
-
-static inline int sv_wait_compat(sv_t *sv, sv_mon_lock_t *lock, int sv_wait_flags,
-				 unsigned long timeout, int sv_mon_type)
-{
-	ASSERT(sv_mon_type == (sv->sv_flags & SV_MON_MASK));
-	if(sv->sv_mon_lock)
-		ASSERT(lock == sv->sv_mon_lock);
-	else
-		sv->sv_mon_lock = lock;
-
-	return sv_wait(sv, sv_wait_flags, timeout);
-}
-
-
-/* These work like Irix's sv_wait() and sv_wait_sig(), except the
-   caller must call the one correpsonding to the type of the monitor
-   lock. */
-#define sv_spin_wait(sv, lock)                              \
-        sv_wait_compat(sv, lock, 0, 0, SV_MON_SPIN)
-#define sv_spin_wait_sig(sv, lock)                          \
-        sv_wait_compat(sv, lock, SV_WAIT_SIG, 0, SV_MON_SPIN)
-
-#define sv_sema_wait(sv, lock)                              \
-        sv_wait_compat(sv, lock, 0, 0, SV_MON_SEMA)
-#define sv_sema_wait_sig(sv, lock)                          \
-        sv_wait_compat(sv, lock, SV_WAIT_SIG, 0, SV_MON_SEMA)
-
-/* These work as in Irix. */
-void sv_signal(sv_t *sv);
-void sv_broadcast(sv_t *sv);
-
-/* This works as in Irix. */
-void sv_destroy(sv_t *sv);
-
-#ifdef _SV_ASSERT
-#undef ASSERT
-#undef _SV_ASSERT
-#endif
-
-#endif /* _ASM_IA64_SN_SV_H */

include/asm-ia64/sn/xtalk/xtalk.h

@@ -19,7 +19,7 @@
 /*
  * User-level device driver visible types
  */
-typedef char            xwidgetnum_t;	/* xtalk widget number  (0..15) */
+typedef int            xwidgetnum_t;	/* xtalk widget number  (0..15) */
 
 #define XWIDGET_NONE		(-1)
 

include/asm-ia64/statfs.h

@@ -2,10 +2,15 @@
 #define _ASM_IA64_STATFS_H
 
 /*
- * Copyright (C) 1998, 1999 Hewlett-Packard Co
- * Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1998, 1999, 2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
+#ifndef __KERNEL_STRICT_NAMES
+# include <linux/types.h>
+typedef __kernel_fsid_t	fsid_t;
+#endif
+
 /*
  * This is ugly --- we're already 64-bit, so just duplicate the definitions
  */

include/asm-ia64/uaccess.h

@@ -240,6 +240,18 @@ extern unsigned long __copy_user (void *to, const void *from, unsigned long coun
 	__cu_len;										\
 })
 
+#define __copy_in_user(to, from, size)          \
+        __copy_user((to), (from), (size))
+
+static inline unsigned long
+copy_in_user (void *to, const void *from, unsigned long n)
+{
+	if (likely(access_ok(VERIFY_READ, from, n) &&
+	    access_ok(VERIFY_WRITE, to, n)))
+		n = __copy_user(to, from, n);
+	return n;
+}
+
 extern unsigned long __do_clear_user (void *, unsigned long);
 
 #define __clear_user(to,n)			\