Merge with /home/shaggy/git/linus-clean/

arch/ia64/Kconfig

@@ -217,6 +217,16 @@ 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_SN_XP
+	tristate "Support communication between SGI SSIs"
+	depends on MSPEC
+	help
+	  An SGI machine can be divided into multiple Single System
+	  Images which act independently of each other and have
+	  hardware based memory protection from the others.  Enabling
+	  this feature will allow for direct communication between SSIs
+	  based on a network adapter and DMA messaging.
+
 config FORCE_MAX_ZONEORDER
 	int
 	default "18"
@@ -261,6 +271,15 @@ config HOTPLUG_CPU
 	  can be controlled through /sys/devices/system/cpu/cpu#.
 	  Say N if you want to disable CPU hotplug.
 
+config SCHED_SMT
+	bool "SMT scheduler support"
+	depends on SMP
+	default off
+	help
+	  Improves the CPU scheduler's decision making when dealing with
+	  Intel IA64 chips with MultiThreading at a cost of slightly increased
+	  overhead in some places. If unsure say N here.
+
 config PREEMPT
 	bool "Preemptible Kernel"
         help

arch/ia64/configs/tiger_defconfig

 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.11-rc2
-# Sat Jan 22 11:17:02 2005
+# Linux kernel version: 2.6.12-rc3
+# Tue May  3 15:55:04 2005
 #
 
 #
@@ -10,6 +10,7 @@
 CONFIG_EXPERIMENTAL=y
 CONFIG_CLEAN_COMPILE=y
 CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
@@ -21,24 +22,27 @@ CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
-CONFIG_LOG_BUF_SHIFT=20
 CONFIG_HOTPLUG=y
 CONFIG_KOBJECT_UEVENT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
+# CONFIG_CPUSETS is not set
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SHMEM=y
 CONFIG_CC_ALIGN_FUNCTIONS=0
 CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
 # CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
 
 #
 # Loadable module support
@@ -85,6 +89,7 @@ CONFIG_FORCE_MAX_ZONEORDER=18
 CONFIG_SMP=y
 CONFIG_NR_CPUS=4
 CONFIG_HOTPLUG_CPU=y
+# CONFIG_SCHED_SMT is not set
 # CONFIG_PREEMPT is not set
 CONFIG_HAVE_DEC_LOCK=y
 CONFIG_IA32_SUPPORT=y
@@ -135,6 +140,7 @@ CONFIG_PCI_DOMAINS=y
 # CONFIG_PCI_MSI is not set
 CONFIG_PCI_LEGACY_PROC=y
 CONFIG_PCI_NAMES=y
+# CONFIG_PCI_DEBUG is not set
 
 #
 # PCI Hotplug Support
@@ -151,10 +157,6 @@ CONFIG_HOTPLUG_PCI_ACPI=m
 #
 # CONFIG_PCCARD is not set
 
-#
-# PC-card bridges
-#
-
 #
 # Device Drivers
 #
@@ -195,9 +197,10 @@ CONFIG_BLK_DEV_CRYPTOLOOP=m
 CONFIG_BLK_DEV_NBD=m
 # CONFIG_BLK_DEV_SX8 is not set
 # CONFIG_BLK_DEV_UB is not set
-CONFIG_BLK_DEV_RAM=m
+CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_CDROM_PKTCDVD is not set
 
@@ -313,7 +316,6 @@ CONFIG_SCSI_FC_ATTRS=y
 # CONFIG_SCSI_BUSLOGIC is not set
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_EATA_PIO is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
 # CONFIG_SCSI_GDTH is not set
 # CONFIG_SCSI_IPS is not set
@@ -325,7 +327,6 @@ CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
 CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
 # CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set
 # CONFIG_SCSI_IPR is not set
-# CONFIG_SCSI_QLOGIC_ISP is not set
 CONFIG_SCSI_QLOGIC_FC=y
 # CONFIG_SCSI_QLOGIC_FC_FIRMWARE is not set
 CONFIG_SCSI_QLOGIC_1280=y
@@ -336,6 +337,7 @@ CONFIG_SCSI_QLA22XX=m
 CONFIG_SCSI_QLA2300=m
 CONFIG_SCSI_QLA2322=m
 # CONFIG_SCSI_QLA6312 is not set
+# CONFIG_SCSI_LPFC is not set
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
 # CONFIG_SCSI_DEBUG is not set
@@ -358,6 +360,7 @@ CONFIG_DM_CRYPT=m
 CONFIG_DM_SNAPSHOT=m
 CONFIG_DM_MIRROR=m
 CONFIG_DM_ZERO=m
+# CONFIG_DM_MULTIPATH is not set
 
 #
 # Fusion MPT device support
@@ -386,7 +389,6 @@ CONFIG_NET=y
 #
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
-CONFIG_NETLINK_DEV=y
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
@@ -446,7 +448,6 @@ CONFIG_DUMMY=m
 # CONFIG_BONDING is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
-# CONFIG_ETHERTAP is not set
 
 #
 # ARCnet devices
@@ -484,7 +485,6 @@ CONFIG_NET_PCI=y
 # CONFIG_DGRS is not set
 CONFIG_EEPRO100=m
 CONFIG_E100=m
-# CONFIG_E100_NAPI is not set
 # CONFIG_FEALNX is not set
 # CONFIG_NATSEMI is not set
 # CONFIG_NE2K_PCI is not set
@@ -565,25 +565,6 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_INPUT_EVDEV is not set
 # CONFIG_INPUT_EVBUG is not set
 
-#
-# Input I/O drivers
-#
-CONFIG_GAMEPORT=m
-CONFIG_SOUND_GAMEPORT=m
-# CONFIG_GAMEPORT_NS558 is not set
-# CONFIG_GAMEPORT_L4 is not set
-# CONFIG_GAMEPORT_EMU10K1 is not set
-# CONFIG_GAMEPORT_VORTEX is not set
-# CONFIG_GAMEPORT_FM801 is not set
-# CONFIG_GAMEPORT_CS461X is not set
-CONFIG_SERIO=y
-CONFIG_SERIO_I8042=y
-# CONFIG_SERIO_SERPORT is not set
-# CONFIG_SERIO_CT82C710 is not set
-# CONFIG_SERIO_PCIPS2 is not set
-CONFIG_SERIO_LIBPS2=y
-# CONFIG_SERIO_RAW is not set
-
 #
 # Input Device Drivers
 #
@@ -601,6 +582,24 @@ CONFIG_MOUSE_PS2=y
 # CONFIG_INPUT_TOUCHSCREEN is not set
 # CONFIG_INPUT_MISC is not set
 
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_I8042=y
+# CONFIG_SERIO_SERPORT is not set
+# CONFIG_SERIO_PCIPS2 is not set
+CONFIG_SERIO_LIBPS2=y
+# CONFIG_SERIO_RAW is not set
+CONFIG_GAMEPORT=m
+# CONFIG_GAMEPORT_NS558 is not set
+# CONFIG_GAMEPORT_L4 is not set
+# CONFIG_GAMEPORT_EMU10K1 is not set
+# CONFIG_GAMEPORT_VORTEX is not set
+# CONFIG_GAMEPORT_FM801 is not set
+# CONFIG_GAMEPORT_CS461X is not set
+CONFIG_SOUND_GAMEPORT=m
+
 #
 # Character devices
 #
@@ -615,6 +614,8 @@ CONFIG_SERIAL_NONSTANDARD=y
 # CONFIG_SYNCLINK is not set
 # CONFIG_SYNCLINKMP is not set
 # CONFIG_N_HDLC is not set
+# CONFIG_SPECIALIX is not set
+# CONFIG_SX is not set
 # CONFIG_STALDRV is not set
 
 #
@@ -635,6 +636,7 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
 #
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_JSM is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
@@ -670,6 +672,12 @@ CONFIG_HPET=y
 # CONFIG_HPET_RTC_IRQ is not set
 CONFIG_HPET_MMAP=y
 CONFIG_MAX_RAW_DEVS=256
+# CONFIG_HANGCHECK_TIMER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
 
 #
 # I2C support
@@ -705,7 +713,6 @@ CONFIG_MAX_RAW_DEVS=256
 #
 CONFIG_VGA_CONSOLE=y
 CONFIG_DUMMY_CONSOLE=y
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
 # Sound
@@ -715,6 +722,8 @@ CONFIG_DUMMY_CONSOLE=y
 #
 # USB support
 #
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
 CONFIG_USB=y
 # CONFIG_USB_DEBUG is not set
 
@@ -726,8 +735,6 @@ CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_DYNAMIC_MINORS is not set
 # CONFIG_USB_SUSPEND is not set
 # CONFIG_USB_OTG is not set
-CONFIG_USB_ARCH_HAS_HCD=y
-CONFIG_USB_ARCH_HAS_OHCI=y
 
 #
 # USB Host Controller Drivers
@@ -736,6 +743,8 @@ CONFIG_USB_EHCI_HCD=m
 # CONFIG_USB_EHCI_SPLIT_ISO is not set
 # CONFIG_USB_EHCI_ROOT_HUB_TT is not set
 CONFIG_USB_OHCI_HCD=m
+# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 CONFIG_USB_UHCI_HCD=y
 # CONFIG_USB_SL811_HCD is not set
 
@@ -751,12 +760,11 @@ CONFIG_USB_UHCI_HCD=y
 #
 CONFIG_USB_STORAGE=m
 # CONFIG_USB_STORAGE_DEBUG is not set
-# CONFIG_USB_STORAGE_RW_DETECT is not set
 # CONFIG_USB_STORAGE_DATAFAB is not set
 # CONFIG_USB_STORAGE_FREECOM is not set
 # CONFIG_USB_STORAGE_ISD200 is not set
 # CONFIG_USB_STORAGE_DPCM is not set
-# CONFIG_USB_STORAGE_HP8200e is not set
+# CONFIG_USB_STORAGE_USBAT is not set
 # CONFIG_USB_STORAGE_SDDR09 is not set
 # CONFIG_USB_STORAGE_SDDR55 is not set
 # CONFIG_USB_STORAGE_JUMPSHOT is not set
@@ -800,6 +808,7 @@ CONFIG_USB_HIDINPUT=y
 # CONFIG_USB_PEGASUS is not set
 # CONFIG_USB_RTL8150 is not set
 # CONFIG_USB_USBNET is not set
+# CONFIG_USB_MON is not set
 
 #
 # USB port drivers
@@ -824,6 +833,7 @@ CONFIG_USB_HIDINPUT=y
 # CONFIG_USB_PHIDGETKIT is not set
 # CONFIG_USB_PHIDGETSERVO is not set
 # CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_SISUSBVGA is not set
 # CONFIG_USB_TEST is not set
 
 #
@@ -867,7 +877,12 @@ CONFIG_REISERFS_FS_POSIX_ACL=y
 CONFIG_REISERFS_FS_SECURITY=y
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
+
+#
+# XFS support
+#
 CONFIG_XFS_FS=y
+CONFIG_XFS_EXPORT=y
 # CONFIG_XFS_RT is not set
 # CONFIG_XFS_QUOTA is not set
 # CONFIG_XFS_SECURITY is not set
@@ -945,7 +960,7 @@ CONFIG_NFSD_V4=y
 CONFIG_NFSD_TCP=y
 CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
-CONFIG_EXPORTFS=m
+CONFIG_EXPORTFS=y
 CONFIG_SUNRPC=m
 CONFIG_SUNRPC_GSS=m
 CONFIG_RPCSEC_GSS_KRB5=m
@@ -1042,8 +1057,10 @@ CONFIG_GENERIC_IRQ_PROBE=y
 #
 # Kernel hacking
 #
+# CONFIG_PRINTK_TIME is not set
 CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_LOG_BUF_SHIFT=20
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
 # CONFIG_DEBUG_SPINLOCK is not set
@@ -1077,6 +1094,7 @@ CONFIG_CRYPTO_MD5=m
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
 # CONFIG_CRYPTO_WP512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
 CONFIG_CRYPTO_DES=m
 # CONFIG_CRYPTO_BLOWFISH is not set
 # CONFIG_CRYPTO_TWOFISH is not set

arch/ia64/hp/common/sba_iommu.c

@@ -1944,43 +1944,17 @@ sba_connect_bus(struct pci_bus *bus)
 static void __init
 sba_map_ioc_to_node(struct ioc *ioc, acpi_handle handle)
 {
-	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
-	union acpi_object *obj;
-	acpi_handle phandle;
 	unsigned int node;
+	int pxm;
 
 	ioc->node = MAX_NUMNODES;
 
-	/*
-	 * Check for a _PXM on this node first.  We don't typically see
-	 * one here, so we'll end up getting it from the parent.
-	 */
-	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_PXM", NULL, &buffer))) {
-		if (ACPI_FAILURE(acpi_get_parent(handle, &phandle)))
-			return;
-
-		/* Reset the acpi buffer */
-		buffer.length = ACPI_ALLOCATE_BUFFER;
-		buffer.pointer = NULL;
-
-		if (ACPI_FAILURE(acpi_evaluate_object(phandle, "_PXM", NULL,
-		                                      &buffer)))
-			return;
-	}
+	pxm = acpi_get_pxm(handle);
 
-	if (!buffer.length || !buffer.pointer)
+	if (pxm < 0)
 		return;
 
-	obj = buffer.pointer;
-
-	if (obj->type != ACPI_TYPE_INTEGER ||
-	    obj->integer.value >= MAX_PXM_DOMAINS) {
-		acpi_os_free(buffer.pointer);
-		return;
-	}
-
-	node = pxm_to_nid_map[obj->integer.value];
-	acpi_os_free(buffer.pointer);
+	node = pxm_to_nid_map[pxm];
 
 	if (node >= MAX_NUMNODES || !node_online(node))
 		return;

arch/ia64/kernel/acpi.c

@@ -779,7 +779,7 @@ acpi_map_iosapic (acpi_handle handle, u32 depth, void *context, void **ret)
 	union acpi_object *obj;
 	struct acpi_table_iosapic *iosapic;
 	unsigned int gsi_base;
-	int node;
+	int pxm, node;
 
 	/* Only care about objects w/ a method that returns the MADT */
 	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer)))
@@ -805,29 +805,16 @@ acpi_map_iosapic (acpi_handle handle, u32 depth, void *context, void **ret)
 	gsi_base = iosapic->global_irq_base;
 
 	acpi_os_free(buffer.pointer);
-	buffer.length = ACPI_ALLOCATE_BUFFER;
-	buffer.pointer = NULL;
 
 	/*
-	 * OK, it's an IOSAPIC MADT entry, look for a _PXM method to tell
+	 * OK, it's an IOSAPIC MADT entry, look for a _PXM value to tell
 	 * us which node to associate this with.
 	 */
-	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_PXM", NULL, &buffer)))
-		return AE_OK;
-
-	if (!buffer.length || !buffer.pointer)
-		return AE_OK;
-
-	obj = buffer.pointer;
-
-	if (obj->type != ACPI_TYPE_INTEGER ||
-	    obj->integer.value >= MAX_PXM_DOMAINS) {
-		acpi_os_free(buffer.pointer);
+	pxm = acpi_get_pxm(handle);
+	if (pxm < 0)
 		return AE_OK;
-	}
 
-	node = pxm_to_nid_map[obj->integer.value];
-	acpi_os_free(buffer.pointer);
+	node = pxm_to_nid_map[pxm];
 
 	if (node >= MAX_NUMNODES || !node_online(node) ||
 	    cpus_empty(node_to_cpumask(node)))

arch/ia64/kernel/entry.S

@@ -782,7 +782,7 @@ GLOBAL_ENTRY(ia64_ret_from_ia32_execve)
 	st8.spill [r2]=r8	// store return value in slot for r8 and set unat bit
 	.mem.offset 8,0
 	st8.spill [r3]=r0	// clear error indication in slot for r10 and set unat bit
-END(ia64_ret_from_ia32_execve_syscall)
+END(ia64_ret_from_ia32_execve)
 	// fall through
 #endif /* CONFIG_IA32_SUPPORT */
 GLOBAL_ENTRY(ia64_leave_kernel)

arch/ia64/kernel/fsys.S

@@ -611,8 +611,10 @@ GLOBAL_ENTRY(fsys_bubble_down)
 	movl r2=ia64_ret_from_syscall
 	;;
 	mov rp=r2				// set the real return addr
-	tbit.z p8,p0=r3,TIF_SYSCALL_TRACE
+	and r3=_TIF_SYSCALL_TRACEAUDIT,r3
 	;;
+	cmp.eq p8,p0=r3,r0
+
 (p10)	br.cond.spnt.many ia64_ret_from_syscall	// p10==true means out registers are more than 8
 (p8)	br.call.sptk.many b6=b6		// ignore this return addr
 	br.cond.sptk ia64_trace_syscall

arch/ia64/kernel/mca_drv.c

@@ -132,8 +132,7 @@ mca_handler_bh(unsigned long paddr)
 	spin_unlock(&mca_bh_lock);
 
 	/* This process is about to be killed itself */
-	force_sig(SIGKILL, current);
-	schedule();
+	do_exit(SIGKILL);
 }
 
 /**
@@ -439,6 +438,7 @@ recover_from_read_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_chec
 			psr2 = (struct ia64_psr *)&pmsa->pmsa_ipsr;
 			psr2->cpl = 0;
 			psr2->ri  = 0;
+			psr2->i  = 0;
 
 			return 1;
 		}

arch/ia64/kernel/mca_drv_asm.S

@@ -10,6 +10,7 @@
 
 #include <asm/asmmacro.h>
 #include <asm/processor.h>
+#include <asm/ptrace.h>
 
 GLOBAL_ENTRY(mca_handler_bhhook)
 	invala						// clear RSE ?
@@ -20,12 +21,21 @@ GLOBAL_ENTRY(mca_handler_bhhook)
 	;;						
 	alloc		r16=ar.pfs,0,2,1,0		// make a new frame
 	;;
+	mov		ar.rsc=0
+	;;
 	mov		r13=IA64_KR(CURRENT)		// current task pointer
 	;;
-	adds		r12=IA64_TASK_THREAD_KSP_OFFSET,r13
+	mov		r2=r13
+	;;
+	addl		r22=IA64_RBS_OFFSET,r2
+	;;
+	mov		ar.bspstore=r22
 	;;
-	ld8		r12=[r12]			// stack pointer
+	addl		sp=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r2
 	;;
+	adds		r2=IA64_TASK_THREAD_ON_USTACK_OFFSET,r13
+	;;
+	st1		[r2]=r0				// clear current->thread.on_ustack flag
 	mov		loc0=r16
 	movl		loc1=mca_handler_bh		// recovery C function
 	;;
@@ -34,7 +44,9 @@ GLOBAL_ENTRY(mca_handler_bhhook)
 	;;
 	mov		loc1=rp
 	;;
-	br.call.sptk.many    rp=b6			// not return ...
+	ssm		psr.i
+	;;
+	br.call.sptk.many    rp=b6			// does not return ...
 	;;
 	mov		ar.pfs=loc0
 	mov 		rp=loc1

arch/ia64/kernel/perfmon.c

@@ -1265,6 +1265,8 @@ pfm_unregister_buffer_fmt(pfm_uuid_t uuid)
 }
 EXPORT_SYMBOL(pfm_unregister_buffer_fmt);
 
+extern void update_pal_halt_status(int);
+
 static int
 pfm_reserve_session(struct task_struct *task, int is_syswide, unsigned int cpu)
 {
@@ -1311,6 +1313,11 @@ pfm_reserve_session(struct task_struct *task, int is_syswide, unsigned int cpu)
 		is_syswide,
 		cpu));
 
+	/*
+	 * disable default_idle() to go to PAL_HALT
+	 */
+	update_pal_halt_status(0);
+
 	UNLOCK_PFS(flags);
 
 	return 0;
@@ -1366,6 +1373,12 @@ pfm_unreserve_session(pfm_context_t *ctx, int is_syswide, unsigned int cpu)
 		is_syswide,
 		cpu));
 
+	/*
+	 * if possible, enable default_idle() to go into PAL_HALT
+	 */
+	if (pfm_sessions.pfs_task_sessions == 0 && pfm_sessions.pfs_sys_sessions == 0)
+		update_pal_halt_status(1);
+
 	UNLOCK_PFS(flags);
 
 	return 0;
@@ -4202,7 +4215,7 @@ pfm_context_load(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
 		DPRINT(("cannot load to [%d], invalid ctx_state=%d\n",
 			req->load_pid,
 			ctx->ctx_state));
-		return -EINVAL;
+		return -EBUSY;
 	}
 
 	DPRINT(("load_pid [%d] using_dbreg=%d\n", req->load_pid, ctx->ctx_fl_using_dbreg));
@@ -4704,16 +4717,26 @@ pfm_check_task_state(pfm_context_t *ctx, int cmd, unsigned long flags)
 	if (task == current || ctx->ctx_fl_system) return 0;
 
 	/*
-	 * if context is UNLOADED we are safe to go
-	 */
-	if (state == PFM_CTX_UNLOADED) return 0;
-
-	/*
-	 * no command can operate on a zombie context
+	 * we are monitoring another thread
 	 */
-	if (state == PFM_CTX_ZOMBIE) {
-		DPRINT(("cmd %d state zombie cannot operate on context\n", cmd));
-		return -EINVAL;
+	switch(state) {
+		case PFM_CTX_UNLOADED:
+			/*
+			 * if context is UNLOADED we are safe to go
+			 */
+			return 0;
+		case PFM_CTX_ZOMBIE:
+			/*
+			 * no command can operate on a zombie context
+			 */
+			DPRINT(("cmd %d state zombie cannot operate on context\n", cmd));
+			return -EINVAL;
+		case PFM_CTX_MASKED:
+			/*
+			 * PMU state has been saved to software even though
+			 * the thread may still be running.
+			 */
+			if (cmd != PFM_UNLOAD_CONTEXT) return 0;
 	}
 
 	/*

arch/ia64/kernel/process.c

@@ -50,7 +50,7 @@
 #include "sigframe.h"
 
 void (*ia64_mark_idle)(int);
-static cpumask_t cpu_idle_map;
+static DEFINE_PER_CPU(unsigned int, cpu_idle_state);
 
 unsigned long boot_option_idle_override = 0;
 EXPORT_SYMBOL(boot_option_idle_override);
@@ -173,7 +173,9 @@ do_notify_resume_user (sigset_t *oldset, struct sigscratch *scr, long in_syscall
 		ia64_do_signal(oldset, scr, in_syscall);
 }
 
-static int pal_halt = 1;
+static int pal_halt        = 1;
+static int can_do_pal_halt = 1;
+
 static int __init nohalt_setup(char * str)
 {
 	pal_halt = 0;
@@ -181,16 +183,20 @@ static int __init nohalt_setup(char * str)
 }
 __setup("nohalt", nohalt_setup);
 
+void
+update_pal_halt_status(int status)
+{
+	can_do_pal_halt = pal_halt && status;
+}
+
 /*
  * We use this if we don't have any better idle routine..
  */
 void
 default_idle (void)
 {
-	unsigned long pmu_active = ia64_getreg(_IA64_REG_PSR) & (IA64_PSR_PP | IA64_PSR_UP);
-
 	while (!need_resched())
-		if (pal_halt && !pmu_active)
+		if (can_do_pal_halt)
 			safe_halt();
 		else
 			cpu_relax();
@@ -223,20 +229,31 @@ static inline void play_dead(void)
 }
 #endif /* CONFIG_HOTPLUG_CPU */
 
-
 void cpu_idle_wait(void)
 {
-        int cpu;
-        cpumask_t map;
+	unsigned int cpu, this_cpu = get_cpu();
+	cpumask_t map;
 
-        for_each_online_cpu(cpu)
-                cpu_set(cpu, cpu_idle_map);
+	set_cpus_allowed(current, cpumask_of_cpu(this_cpu));
+	put_cpu();
 
-        wmb();
-        do {
-                ssleep(1);
-                cpus_and(map, cpu_idle_map, cpu_online_map);
-        } while (!cpus_empty(map));
+	cpus_clear(map);
+	for_each_online_cpu(cpu) {
+		per_cpu(cpu_idle_state, cpu) = 1;
+		cpu_set(cpu, map);
+	}
+
+	__get_cpu_var(cpu_idle_state) = 0;
+
+	wmb();
+	do {
+		ssleep(1);
+		for_each_online_cpu(cpu) {
+			if (cpu_isset(cpu, map) && !per_cpu(cpu_idle_state, cpu))
+				cpu_clear(cpu, map);
+		}
+		cpus_and(map, map, cpu_online_map);
+	} while (!cpus_empty(map));
 }
 EXPORT_SYMBOL_GPL(cpu_idle_wait);
 
@@ -244,7 +261,6 @@ void __attribute__((noreturn))
 cpu_idle (void)
 {
 	void (*mark_idle)(int) = ia64_mark_idle;
-	int cpu = smp_processor_id();
 
 	/* endless idle loop with no priority at all */
 	while (1) {
@@ -255,12 +271,13 @@ cpu_idle (void)
 		while (!need_resched()) {
 			void (*idle)(void);
 
+			if (__get_cpu_var(cpu_idle_state))
+				__get_cpu_var(cpu_idle_state) = 0;
+
+			rmb();
 			if (mark_idle)
 				(*mark_idle)(1);
 
-			if (cpu_isset(cpu, cpu_idle_map))
-				cpu_clear(cpu, cpu_idle_map);
-			rmb();
 			idle = pm_idle;
 			if (!idle)
 				idle = default_idle;

arch/ia64/kernel/signal.c

@@ -224,7 +224,8 @@ ia64_rt_sigreturn (struct sigscratch *scr)
 	 * could be corrupted.
 	 */
 	retval = (long) &ia64_leave_kernel;
-	if (test_thread_flag(TIF_SYSCALL_TRACE))
+	if (test_thread_flag(TIF_SYSCALL_TRACE)
+	    || test_thread_flag(TIF_SYSCALL_AUDIT))
 		/*
 		 * strace expects to be notified after sigreturn returns even though the
 		 * context to which we return may not be in the middle of a syscall.

arch/ia64/lib/flush.S

 /*
  * Cache flushing routines.
  *
- * Copyright (C) 1999-2001 Hewlett-Packard Co
- * Copyright (C) 1999-2001 David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999-2001, 2005 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
  */
 #include <asm/asmmacro.h>
 #include <asm/page.h>
@@ -26,7 +26,7 @@ GLOBAL_ENTRY(flush_icache_range)
 
 	mov ar.lc=r8
 	;;
-.Loop:	fc in0				// issuable on M0 only
+.Loop:	fc.i in0			// issuable on M2 only
 	add in0=32,in0
 	br.cloop.sptk.few .Loop
 	;;

arch/ia64/lib/memcpy_mck.S

@@ -75,6 +75,7 @@ GLOBAL_ENTRY(memcpy)
 	mov	f6=f0
 	br.cond.sptk .common_code
 	;;
+END(memcpy)
 GLOBAL_ENTRY(__copy_user)
 	.prologue
 // check dest alignment
@@ -524,7 +525,6 @@ EK(.ex_handler,  (p17)	st8	[dst1]=r39,8);						\
 #undef B
 #undef C
 #undef D
-END(memcpy)
 
 /*
  * Due to lack of local tag support in gcc 2.x assembler, it is not clear which

arch/ia64/lib/memset.S

@@ -57,10 +57,10 @@ GLOBAL_ENTRY(memset)
 { .mmi
 	.prologue
 	alloc	tmp = ar.pfs, 3, 0, 0, 0
-	.body
 	lfetch.nt1 [dest]			//
 	.save   ar.lc, save_lc
 	mov.i	save_lc = ar.lc
+	.body
 } { .mmi
 	mov	ret0 = dest			// return value
 	cmp.ne	p_nz, p_zr = value, r0		// use stf.spill if value is zero

arch/ia64/sn/kernel/Makefile

@@ -4,10 +4,15 @@
 # License.  See the file "COPYING" in the main directory of this archive
 # for more details.
 #
-# Copyright (C) 1999,2001-2003 Silicon Graphics, Inc.  All Rights Reserved.
+# Copyright (C) 1999,2001-2005 Silicon Graphics, Inc.  All Rights Reserved.
 #
 
 obj-y				+= setup.o bte.o bte_error.o irq.o mca.o idle.o \
 				   huberror.o io_init.o iomv.o klconflib.o sn2/
 obj-$(CONFIG_IA64_GENERIC)      += machvec.o
 obj-$(CONFIG_SGI_TIOCX)		+= tiocx.o
+obj-$(CONFIG_IA64_SGI_SN_XP)	+= xp.o
+xp-y				:= xp_main.o xp_nofault.o
+obj-$(CONFIG_IA64_SGI_SN_XP)	+= xpc.o
+xpc-y				:= xpc_main.o xpc_channel.o xpc_partition.o
+obj-$(CONFIG_IA64_SGI_SN_XP)	+= xpnet.o

arch/ia64/sn/kernel/io_init.c

@@ -174,6 +174,12 @@ static void sn_fixup_ionodes(void)
 		if (status)
 			continue;
 
+		/* Attach the error interrupt handlers */
+		if (nasid & 1)
+			ice_error_init(hubdev);
+		else
+			hub_error_init(hubdev);
+
 		for (widget = 0; widget <= HUB_WIDGET_ID_MAX; widget++)
 			hubdev->hdi_xwidget_info[widget].xwi_hubinfo = hubdev;
 
@@ -211,10 +217,6 @@ static void sn_fixup_ionodes(void)
 			    sn_flush_device_list;
 		}
 
-		if (!(i & 1))
-			hub_error_init(hubdev);
-		else
-			ice_error_init(hubdev);
 	}
 
 }

arch/ia64/sn/kernel/mca.c

@@ -37,6 +37,11 @@ static u64 *sn_oemdata_size, sn_oemdata_bufsize;
  * This function is the callback routine that SAL calls to log error
  * info for platform errors.  buf is appended to sn_oemdata, resizing as
  * required.
+ * Note: this is a SAL to OS callback, running under the same rules as the SAL
+ * code.  SAL calls are run with preempt disabled so this routine must not
+ * sleep.  vmalloc can sleep so print_hook cannot resize the output buffer
+ * itself, instead it must set the required size and return to let the caller
+ * resize the buffer then redrive the SAL call.
  */
 static int print_hook(const char *fmt, ...)
 {
@@ -47,18 +52,8 @@ static int print_hook(const char *fmt, ...)
 	vsnprintf(buf, sizeof(buf), fmt, args);
 	va_end(args);
 	len = strlen(buf);
-	while (*sn_oemdata_size + len + 1 > sn_oemdata_bufsize) {
-		u8 *newbuf = vmalloc(sn_oemdata_bufsize += 1000);
-		if (!newbuf) {
-			printk(KERN_ERR "%s: unable to extend sn_oemdata\n",
-			       __FUNCTION__);
-			return 0;
-		}
-		memcpy(newbuf, *sn_oemdata, *sn_oemdata_size);
-		vfree(*sn_oemdata);
-		*sn_oemdata = newbuf;
-	}
-	memcpy(*sn_oemdata + *sn_oemdata_size, buf, len + 1);
+	if (*sn_oemdata_size + len <= sn_oemdata_bufsize)
+		memcpy(*sn_oemdata + *sn_oemdata_size, buf, len);
 	*sn_oemdata_size += len;
 	return 0;
 }
@@ -98,7 +93,20 @@ sn_platform_plat_specific_err_print(const u8 * sect_header, u8 ** oemdata,
 	sn_oemdata = oemdata;
 	sn_oemdata_size = oemdata_size;
 	sn_oemdata_bufsize = 0;
-	ia64_sn_plat_specific_err_print(print_hook, (char *)sect_header);
+	*sn_oemdata_size = PAGE_SIZE;	/* first guess at how much data will be generated */
+	while (*sn_oemdata_size > sn_oemdata_bufsize) {
+		u8 *newbuf = vmalloc(*sn_oemdata_size);
+		if (!newbuf) {
+			printk(KERN_ERR "%s: unable to extend sn_oemdata\n",
+			       __FUNCTION__);
+			return 1;
+		}
+		vfree(*sn_oemdata);
+		*sn_oemdata = newbuf;
+		sn_oemdata_bufsize = *sn_oemdata_size;
+		*sn_oemdata_size = 0;
+		ia64_sn_plat_specific_err_print(print_hook, (char *)sect_header);
+	}
 	up(&sn_oemdata_mutex);
 	return 0;
 }

arch/ia64/sn/kernel/setup.c

@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 1999,2001-2004 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 1999,2001-2005 Silicon Graphics, Inc. All rights reserved.
  */
 
 #include <linux/config.h>
@@ -73,6 +73,12 @@ EXPORT_SYMBOL(sn_rtc_cycles_per_second);
 DEFINE_PER_CPU(struct sn_hub_info_s, __sn_hub_info);
 EXPORT_PER_CPU_SYMBOL(__sn_hub_info);
 
+DEFINE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_NUMNODES]);
+EXPORT_PER_CPU_SYMBOL(__sn_cnodeid_to_nasid);
+
+DEFINE_PER_CPU(struct nodepda_s *, __sn_nodepda);
+EXPORT_PER_CPU_SYMBOL(__sn_nodepda);
+
 partid_t sn_partid = -1;
 EXPORT_SYMBOL(sn_partid);
 char sn_system_serial_number_string[128];
@@ -373,11 +379,11 @@ static void __init sn_init_pdas(char **cmdline_p)
 {
 	cnodeid_t cnode;
 
-	memset(pda->cnodeid_to_nasid_table, -1,
-	       sizeof(pda->cnodeid_to_nasid_table));
+	memset(sn_cnodeid_to_nasid, -1,
+			sizeof(__ia64_per_cpu_var(__sn_cnodeid_to_nasid)));
 	for_each_online_node(cnode)
-		pda->cnodeid_to_nasid_table[cnode] =
-		    pxm_to_nasid(nid_to_pxm_map[cnode]);
+		sn_cnodeid_to_nasid[cnode] =
+				pxm_to_nasid(nid_to_pxm_map[cnode]);
 
 	numionodes = num_online_nodes();
 	scan_for_ionodes();
@@ -477,7 +483,8 @@ void __init sn_cpu_init(void)
 
 	cnode = nasid_to_cnodeid(nasid);
 
-	pda->p_nodepda = nodepdaindr[cnode];
+	sn_nodepda = nodepdaindr[cnode];
+
 	pda->led_address =
 	    (typeof(pda->led_address)) (LED0 + (slice << LED_CPU_SHIFT));
 	pda->led_state = LED_ALWAYS_SET;
@@ -486,15 +493,18 @@ void __init sn_cpu_init(void)
 	pda->idle_flag = 0;
 
 	if (cpuid != 0) {
-		memcpy(pda->cnodeid_to_nasid_table,
-		       pdacpu(0)->cnodeid_to_nasid_table,
-		       sizeof(pda->cnodeid_to_nasid_table));
+		/* copy cpu 0's sn_cnodeid_to_nasid table to this cpu's */
+		memcpy(sn_cnodeid_to_nasid,
+		       (&per_cpu(__sn_cnodeid_to_nasid, 0)),
+		       sizeof(__ia64_per_cpu_var(__sn_cnodeid_to_nasid)));
 	}
 
 	/*
 	 * Check for WARs.
 	 * Only needs to be done once, on BSP.
-	 * Has to be done after loop above, because it uses pda.cnodeid_to_nasid_table[i].
+	 * Has to be done after loop above, because it uses this cpu's
+	 * sn_cnodeid_to_nasid table which was just initialized if this
+	 * isn't cpu 0.
 	 * Has to be done before assignment below.
 	 */
 	if (!wars_have_been_checked) {
@@ -580,8 +590,7 @@ static void __init scan_for_ionodes(void)
 		brd = find_lboard_any(brd, KLTYPE_SNIA);
 
 		while (brd) {
-			pda->cnodeid_to_nasid_table[numionodes] =
-			    brd->brd_nasid;
+			sn_cnodeid_to_nasid[numionodes] = brd->brd_nasid;
 			physical_node_map[brd->brd_nasid] = numionodes;
 			root_lboard[numionodes] = brd;
 			numionodes++;
@@ -602,8 +611,7 @@ static void __init scan_for_ionodes(void)
 				      root_lboard[nasid_to_cnodeid(nasid)],
 				      KLTYPE_TIO);
 		while (brd) {
-			pda->cnodeid_to_nasid_table[numionodes] =
-			    brd->brd_nasid;
+			sn_cnodeid_to_nasid[numionodes] = brd->brd_nasid;
 			physical_node_map[brd->brd_nasid] = numionodes;
 			root_lboard[numionodes] = brd;
 			numionodes++;
@@ -614,7 +622,6 @@ static void __init scan_for_ionodes(void)
 			brd = find_lboard_any(brd, KLTYPE_TIO);
 		}
 	}
-
 }
 
 int
@@ -623,7 +630,8 @@ nasid_slice_to_cpuid(int nasid, int slice)
 	long cpu;
 	
 	for (cpu=0; cpu < NR_CPUS; cpu++) 
-		if (nodepda->phys_cpuid[cpu].nasid == nasid && nodepda->phys_cpuid[cpu].slice == slice)
+		if (cpuid_to_nasid(cpu) == nasid &&
+					cpuid_to_slice(cpu) == slice)
 			return cpu;
 
 	return -1;

arch/ia64/sn/kernel/tiocx.c

@@ -21,6 +21,8 @@
 #include <asm/sn/types.h>
 #include <asm/sn/shubio.h>
 #include <asm/sn/tiocx.h>
+#include <asm/sn/l1.h>
+#include <asm/sn/module.h>
 #include "tio.h"
 #include "xtalk/xwidgetdev.h"
 #include "xtalk/hubdev.h"
@@ -308,14 +310,12 @@ void tiocx_irq_free(struct sn_irq_info *sn_irq_info)
 	}
 }
 
-uint64_t
-tiocx_dma_addr(uint64_t addr)
+uint64_t tiocx_dma_addr(uint64_t addr)
 {
 	return PHYS_TO_TIODMA(addr);
 }
 
-uint64_t
-tiocx_swin_base(int nasid)
+uint64_t tiocx_swin_base(int nasid)
 {
 	return TIO_SWIN_BASE(nasid, TIOCX_CORELET);
 }
@@ -330,19 +330,6 @@ EXPORT_SYMBOL(tiocx_bus_type);
 EXPORT_SYMBOL(tiocx_dma_addr);
 EXPORT_SYMBOL(tiocx_swin_base);
 
-static uint64_t tiocx_get_hubdev_info(u64 handle, u64 address)
-{
-
-	struct ia64_sal_retval ret_stuff;
-	ret_stuff.status = 0;
-	ret_stuff.v0 = 0;
-
-	ia64_sal_oemcall_nolock(&ret_stuff,
-				SN_SAL_IOIF_GET_HUBDEV_INFO,
-				handle, address, 0, 0, 0, 0, 0);
-	return ret_stuff.v0;
-}
-
 static void tio_conveyor_set(nasid_t nasid, int enable_flag)
 {
 	uint64_t ice_frz;
@@ -379,7 +366,29 @@ static void tio_corelet_reset(nasid_t nasid, int corelet)
 	udelay(2000);
 }
 
-static int fpga_attached(nasid_t nasid)
+static int tiocx_btchar_get(int nasid)
+{
+	moduleid_t module_id;
+	geoid_t geoid;
+	int cnodeid;
+
+	cnodeid = nasid_to_cnodeid(nasid);
+	geoid = cnodeid_get_geoid(cnodeid);
+	module_id = geo_module(geoid);
+	return MODULE_GET_BTCHAR(module_id);
+}
+
+static int is_fpga_brick(int nasid)
+{
+	switch (tiocx_btchar_get(nasid)) {
+	case L1_BRICKTYPE_SA:
+	case L1_BRICKTYPE_ATHENA:
+		return 1;
+	}
+	return 0;
+}
+
+static int bitstream_loaded(nasid_t nasid)
 {
 	uint64_t cx_credits;
 
@@ -396,7 +405,7 @@ static int tiocx_reload(struct cx_dev *cx_dev)
 	int mfg_num = CX_DEV_NONE;
 	nasid_t nasid = cx_dev->cx_id.nasid;
 
-	if (fpga_attached(nasid)) {
+	if (bitstream_loaded(nasid)) {
 		uint64_t cx_id;
 
 		cx_id =
@@ -427,9 +436,10 @@ static ssize_t show_cxdev_control(struct device *dev, char *buf)
 {
 	struct cx_dev *cx_dev = to_cx_dev(dev);
 
-	return sprintf(buf, "0x%x 0x%x 0x%x\n",
+	return sprintf(buf, "0x%x 0x%x 0x%x %d\n",
 		       cx_dev->cx_id.nasid,
-		       cx_dev->cx_id.part_num, cx_dev->cx_id.mfg_num);
+		       cx_dev->cx_id.part_num, cx_dev->cx_id.mfg_num,
+		       tiocx_btchar_get(cx_dev->cx_id.nasid));
 }
 
 static ssize_t store_cxdev_control(struct device *dev, const char *buf,
@@ -475,20 +485,14 @@ static int __init tiocx_init(void)
 		if ((nasid = cnodeid_to_nasid(cnodeid)) < 0)
 			break;	/* No more nasids .. bail out of loop */
 
-		if (nasid & 0x1) {	/* TIO's are always odd */
+		if ((nasid & 0x1) && is_fpga_brick(nasid)) {
 			struct hubdev_info *hubdev;
-			uint64_t status;
 			struct xwidget_info *widgetp;
 
 			DBG("Found TIO at nasid 0x%x\n", nasid);
 
 			hubdev =
 			    (struct hubdev_info *)(NODEPDA(cnodeid)->pdinfo);
-			status =
-			    tiocx_get_hubdev_info(nasid,
-						  (uint64_t) __pa(hubdev));
-			if (status)
-				continue;
 
 			widgetp = &hubdev->hdi_xwidget_info[TIOCX_CORELET];
 

arch/ia64/sn/kernel/xp_main.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) 2004-2005 Silicon Graphics, Inc.  All Rights Reserved.
+ */
+
+
+/*
+ * Cross Partition (XP) base.
+ *
+ *	XP provides a base from which its users can interact
+ *	with XPC, yet not be dependent on XPC.
+ *
+ */
+
+
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <asm/sn/intr.h>
+#include <asm/sn/sn_sal.h>
+#include <asm/sn/xp.h>
+
+
+/*
+ * Target of nofault PIO read.
+ */
+u64 xp_nofault_PIOR_target;
+
+
+/*
+ * xpc_registrations[] keeps track of xpc_connect()'s done by the kernel-level
+ * users of XPC.
+ */
+struct xpc_registration xpc_registrations[XPC_NCHANNELS];
+
+
+/*
+ * Initialize the XPC interface to indicate that XPC isn't loaded.
+ */
+static enum xpc_retval xpc_notloaded(void) { return xpcNotLoaded; }
+
+struct xpc_interface xpc_interface = {
+	(void (*)(int)) xpc_notloaded,
+	(void (*)(int)) xpc_notloaded,
+	(enum xpc_retval (*)(partid_t, int, u32, void **)) xpc_notloaded,
+	(enum xpc_retval (*)(partid_t, int, void *)) xpc_notloaded,
+	(enum xpc_retval (*)(partid_t, int, void *, xpc_notify_func, void *))
+							xpc_notloaded,
+	(void (*)(partid_t, int, void *)) xpc_notloaded,
+	(enum xpc_retval (*)(partid_t, void *)) xpc_notloaded
+};
+
+
+/*
+ * XPC calls this when it (the XPC module) has been loaded.
+ */
+void
+xpc_set_interface(void (*connect)(int),
+		void (*disconnect)(int),
+		enum xpc_retval (*allocate)(partid_t, int, u32, void **),
+		enum xpc_retval (*send)(partid_t, int, void *),
+		enum xpc_retval (*send_notify)(partid_t, int, void *,
+						xpc_notify_func, void *),
+		void (*received)(partid_t, int, void *),
+		enum xpc_retval (*partid_to_nasids)(partid_t, void *))
+{
+	xpc_interface.connect = connect;
+	xpc_interface.disconnect = disconnect;
+	xpc_interface.allocate = allocate;
+	xpc_interface.send = send;
+	xpc_interface.send_notify = send_notify;
+	xpc_interface.received = received;
+	xpc_interface.partid_to_nasids = partid_to_nasids;
+}
+
+
+/*
+ * XPC calls this when it (the XPC module) is being unloaded.
+ */
+void
+xpc_clear_interface(void)
+{
+	xpc_interface.connect = (void (*)(int)) xpc_notloaded;
+	xpc_interface.disconnect = (void (*)(int)) xpc_notloaded;
+	xpc_interface.allocate = (enum xpc_retval (*)(partid_t, int, u32,
+					void **)) xpc_notloaded;
+	xpc_interface.send = (enum xpc_retval (*)(partid_t, int, void *))
+					xpc_notloaded;
+	xpc_interface.send_notify = (enum xpc_retval (*)(partid_t, int, void *,
+				    xpc_notify_func, void *)) xpc_notloaded;
+	xpc_interface.received = (void (*)(partid_t, int, void *))
+					xpc_notloaded;
+	xpc_interface.partid_to_nasids = (enum xpc_retval (*)(partid_t, void *))
+					xpc_notloaded;
+}
+
+
+/*
+ * Register for automatic establishment of a channel connection whenever
+ * a partition comes up.
+ *
+ * Arguments:
+ *
+ *	ch_number - channel # to register for connection.
+ *	func - function to call for asynchronous notification of channel
+ *	       state changes (i.e., connection, disconnection, error) and
+ *	       the arrival of incoming messages.
+ *      key - pointer to optional user-defined value that gets passed back
+ *	      to the user on any callouts made to func.
+ *	payload_size - size in bytes of the XPC message's payload area which
+ *		       contains a user-defined message. The user should make
+ *		       this large enough to hold their largest message.
+ *	nentries - max #of XPC message entries a message queue can contain.
+ *		   The actual number, which is determined when a connection
+ * 		   is established and may be less then requested, will be
+ *		   passed to the user via the xpcConnected callout.
+ *	assigned_limit - max number of kthreads allowed to be processing
+ * 			 messages (per connection) at any given instant.
+ *	idle_limit - max number of kthreads allowed to be idle at any given
+ * 		     instant.
+ */
+enum xpc_retval
+xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size,
+		u16 nentries, u32 assigned_limit, u32 idle_limit)
+{
+	struct xpc_registration *registration;
+
+
+	DBUG_ON(ch_number < 0 || ch_number >= XPC_NCHANNELS);
+	DBUG_ON(payload_size == 0 || nentries == 0);
+	DBUG_ON(func == NULL);
+	DBUG_ON(assigned_limit == 0 || idle_limit > assigned_limit);
+
+	registration = &xpc_registrations[ch_number];
+
+	if (down_interruptible(&registration->sema) != 0) {
+		return xpcInterrupted;
+	}
+
+	/* if XPC_CHANNEL_REGISTERED(ch_number) */
+	if (registration->func != NULL) {
+		up(&registration->sema);
+		return xpcAlreadyRegistered;
+	}
+
+	/* register the channel for connection */
+	registration->msg_size = XPC_MSG_SIZE(payload_size);
+	registration->nentries = nentries;
+	registration->assigned_limit = assigned_limit;
+	registration->idle_limit = idle_limit;
+	registration->key = key;
+	registration->func = func;
+
+	up(&registration->sema);
+
+	xpc_interface.connect(ch_number);
+
+	return xpcSuccess;
+}
+
+
+/*
+ * Remove the registration for automatic connection of the specified channel
+ * when a partition comes up.
+ *
+ * Before returning this xpc_disconnect() will wait for all connections on the
+ * specified channel have been closed/torndown. So the caller can be assured
+ * that they will not be receiving any more callouts from XPC to their
+ * function registered via xpc_connect().
+ *
+ * Arguments:
+ *
+ *	ch_number - channel # to unregister.
+ */
+void
+xpc_disconnect(int ch_number)
+{
+	struct xpc_registration *registration;
+
+
+	DBUG_ON(ch_number < 0 || ch_number >= XPC_NCHANNELS);
+
+	registration = &xpc_registrations[ch_number];
+
+	/*
+	 * We've decided not to make this a down_interruptible(), since we
+	 * figured XPC's users will just turn around and call xpc_disconnect()
+	 * again anyways, so we might as well wait, if need be.
+	 */
+	down(&registration->sema);
+
+	/* if !XPC_CHANNEL_REGISTERED(ch_number) */
+	if (registration->func == NULL) {
+		up(&registration->sema);
+		return;
+	}
+
+	/* remove the connection registration for the specified channel */
+	registration->func = NULL;
+	registration->key = NULL;
+	registration->nentries = 0;
+	registration->msg_size = 0;
+	registration->assigned_limit = 0;
+	registration->idle_limit = 0;
+
+	xpc_interface.disconnect(ch_number);
+
+	up(&registration->sema);
+
+	return;
+}
+
+
+int __init
+xp_init(void)
+{
+	int ret, ch_number;
+	u64 func_addr = *(u64 *) xp_nofault_PIOR;
+	u64 err_func_addr = *(u64 *) xp_error_PIOR;
+
+
+	if (!ia64_platform_is("sn2")) {
+		return -ENODEV;
+	}
+
+	/*
+	 * Register a nofault code region which performs a cross-partition
+	 * PIO read. If the PIO read times out, the MCA handler will consume
+	 * the error and return to a kernel-provided instruction to indicate
+	 * an error. This PIO read exists because it is guaranteed to timeout
+	 * if the destination is down (AMO operations do not timeout on at
+	 * least some CPUs on Shubs <= v1.2, which unfortunately we have to
+	 * work around).
+	 */
+	if ((ret = sn_register_nofault_code(func_addr, err_func_addr,
+						err_func_addr, 1, 1)) != 0) {
+		printk(KERN_ERR "XP: can't register nofault code, error=%d\n",
+			ret);
+	}
+	/*
+	 * Setup the nofault PIO read target. (There is no special reason why
+	 * SH_IPI_ACCESS was selected.)
+	 */
+	if (is_shub2()) {
+		xp_nofault_PIOR_target = SH2_IPI_ACCESS0;
+	} else {
+		xp_nofault_PIOR_target = SH1_IPI_ACCESS;
+	}
+
+	/* initialize the connection registration semaphores */
+	for (ch_number = 0; ch_number < XPC_NCHANNELS; ch_number++) {
+		sema_init(&xpc_registrations[ch_number].sema, 1);  /* mutex */
+	}
+
+	return 0;
+}
+module_init(xp_init);
+
+
+void __exit
+xp_exit(void)
+{
+	u64 func_addr = *(u64 *) xp_nofault_PIOR;
+	u64 err_func_addr = *(u64 *) xp_error_PIOR;
+
+
+	/* unregister the PIO read nofault code region */
+	(void) sn_register_nofault_code(func_addr, err_func_addr,
+					err_func_addr, 1, 0);
+}
+module_exit(xp_exit);
+
+
+MODULE_AUTHOR("Silicon Graphics, Inc.");
+MODULE_DESCRIPTION("Cross Partition (XP) base");
+MODULE_LICENSE("GPL");
+
+EXPORT_SYMBOL(xp_nofault_PIOR);
+EXPORT_SYMBOL(xp_nofault_PIOR_target);
+EXPORT_SYMBOL(xpc_registrations);
+EXPORT_SYMBOL(xpc_interface);
+EXPORT_SYMBOL(xpc_clear_interface);
+EXPORT_SYMBOL(xpc_set_interface);
+EXPORT_SYMBOL(xpc_connect);
+EXPORT_SYMBOL(xpc_disconnect);
+

arch/ia64/sn/kernel/xp_nofault.S

+/*
+ * 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) 2004-2005 Silicon Graphics, Inc.  All Rights Reserved.
+ */
+
+
+/*
+ * The xp_nofault_PIOR function takes a pointer to a remote PIO register
+ * and attempts to load and consume a value from it.  This function
+ * will be registered as a nofault code block.  In the event that the
+ * PIO read fails, the MCA handler will force the error to look
+ * corrected and vector to the xp_error_PIOR which will return an error.
+ *
+ *	extern int xp_nofault_PIOR(void *remote_register);
+ */
+
+	.global xp_nofault_PIOR
+xp_nofault_PIOR:
+	mov	r8=r0			// Stage a success return value
+	ld8.acq	r9=[r32];;		// PIO Read the specified register
+	adds	r9=1,r9			// Add to force a consume
+	br.ret.sptk.many b0;;		// Return success
+
+	.global xp_error_PIOR
+xp_error_PIOR:
+	mov	r8=1			// Return value of 1
+	br.ret.sptk.many b0;;		// Return failure
+

arch/ia64/sn/pci/pcibr/pcibr_dma.c

@@ -301,7 +301,7 @@ void sn_dma_flush(uint64_t addr)
 		spin_lock_irqsave(&((struct sn_flush_device_list *)p)->
 				  sfdl_flush_lock, flags);
 
-		p->sfdl_flush_value = 0;
+		*p->sfdl_flush_addr = 0;
 
 		/* force an interrupt. */
 		*(volatile uint32_t *)(p->sfdl_force_int_addr) = 1;

arch/ia64/sn/pci/tioca_provider.c

@@ -431,7 +431,7 @@ tioca_dma_mapped(struct pci_dev *pdev, uint64_t paddr, size_t req_size)
 	ca_dmamap->cad_dma_addr = bus_addr;
 	ca_dmamap->cad_gart_size = entries;
 	ca_dmamap->cad_gart_entry = entry;
-	list_add(&ca_dmamap->cad_list, &tioca_kern->ca_list);
+	list_add(&ca_dmamap->cad_list, &tioca_kern->ca_dmamaps);
 
 	if (xio_addr % ps) {
 		tioca_kern->ca_pcigart[entry] = tioca_paddr_to_gart(xio_addr);

drivers/base/bus.c

@@ -405,9 +405,8 @@ void device_release_driver(struct device * dev)
 
 static void driver_detach(struct device_driver * drv)
 {
-	struct list_head * entry, * next;
-	list_for_each_safe(entry, next, &drv->devices) {
-		struct device * dev = container_of(entry, struct device, driver_list);
+	while (!list_empty(&drv->devices)) {
+		struct device * dev = container_of(drv->devices.next, struct device, driver_list);
 		device_release_driver(dev);
 	}
 }

drivers/base/core.c

@@ -139,7 +139,7 @@ static int dev_hotplug(struct kset *kset, struct kobject *kobj, char **envp,
 	buffer = &buffer[length];
 	buffer_size -= length;
 
-	if (dev->bus->hotplug) {
+	if (dev->bus && dev->bus->hotplug) {
 		/* have the bus specific function add its stuff */
 		retval = dev->bus->hotplug (dev, envp, num_envp, buffer, buffer_size);
 			if (retval) {

drivers/char/Kconfig

@@ -408,7 +408,7 @@ config SGI_TIOCX
 
 config SGI_MBCS
        tristate "SGI FPGA Core Services driver support"
-       depends on (IA64_SGI_SN2 || IA64_GENERIC)
+       depends on SGI_TIOCX
        help
          If you have an SGI Altix with an attached SABrick
          say Y or M here, otherwise say N.

include/asm-ia64/sn/addrs.h

@@ -136,6 +136,7 @@
  */
 #define CAC_BASE		(CACHED   | AS_CAC_SPACE)
 #define AMO_BASE		(UNCACHED | AS_AMO_SPACE)
+#define AMO_PHYS_BASE		(UNCACHED_PHYS | AS_AMO_SPACE)
 #define GET_BASE		(CACHED   | AS_GET_SPACE)
 
 /*
@@ -160,6 +161,13 @@
 #define PHYS_TO_DMA(x)          ( (((u64)(x) & NASID_MASK) >> 2) | NODE_OFFSET(x))
 
 
+/*
+ * Macros to test for address type.
+ */
+#define IS_AMO_ADDRESS(x)	(((u64)(x) & (REGION_BITS | AS_MASK)) == AMO_BASE)
+#define IS_AMO_PHYS_ADDRESS(x)	(((u64)(x) & (REGION_BITS | AS_MASK)) == AMO_PHYS_BASE)
+
+
 /*
  * The following definitions pertain to the IO special address
  * space.  They define the location of the big and little windows

include/asm-ia64/sn/arch.h

@@ -5,7 +5,7 @@
  *
  * SGI specific setup.
  *
- * Copyright (C) 1995-1997,1999,2001-2004 Silicon Graphics, Inc.  All rights reserved.
+ * Copyright (C) 1995-1997,1999,2001-2005 Silicon Graphics, Inc.  All rights reserved.
  * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
  */
 #ifndef _ASM_IA64_SN_ARCH_H
@@ -47,6 +47,21 @@ DECLARE_PER_CPU(struct sn_hub_info_s, __sn_hub_info);
 #define MAX_COMPACT_NODES	2048
 #define CPUS_PER_NODE		4
 
+
+/*
+ * Compact node ID to nasid mappings kept in the per-cpu data areas of each
+ * cpu.
+ */
+DECLARE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_NUMNODES]);
+#define sn_cnodeid_to_nasid	(&__get_cpu_var(__sn_cnodeid_to_nasid[0]))
+
+
+
+extern u8 sn_partition_id;
+extern u8 sn_system_size;
+extern u8 sn_sharing_domain_size;
+extern u8 sn_region_size;
+
 extern void sn_flush_all_caches(long addr, long bytes);
 
 #endif /* _ASM_IA64_SN_ARCH_H */

include/asm-ia64/sn/fetchop.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) 2001-2004 Silicon Graphics, Inc.  All rights reserved.
- */
-
-#ifndef _ASM_IA64_SN_FETCHOP_H
-#define _ASM_IA64_SN_FETCHOP_H
-
-#include <linux/config.h>
-
-#define FETCHOP_BASENAME	"sgi_fetchop"
-#define FETCHOP_FULLNAME	"/dev/sgi_fetchop"
-
-
-
-#define FETCHOP_VAR_SIZE 64 /* 64 byte per fetchop variable */
-
-#define FETCHOP_LOAD		0
-#define FETCHOP_INCREMENT	8
-#define FETCHOP_DECREMENT	16
-#define FETCHOP_CLEAR		24
-
-#define FETCHOP_STORE		0
-#define FETCHOP_AND		24
-#define FETCHOP_OR		32
-
-#define FETCHOP_CLEAR_CACHE	56
-
-#define FETCHOP_LOAD_OP(addr, op) ( \
-         *(volatile long *)((char*) (addr) + (op)))
-
-#define FETCHOP_STORE_OP(addr, op, x) ( \
-         *(volatile long *)((char*) (addr) + (op)) = (long) (x))
-
-#ifdef __KERNEL__
-
-/*
- * Convert a region 6 (kaddr) address to the address of the fetchop variable
- */
-#define FETCHOP_KADDR_TO_MSPEC_ADDR(kaddr)	TO_MSPEC(kaddr)
-
-
-/*
- * Each Atomic Memory Operation (AMO formerly known as fetchop)
- * variable is 64 bytes long.  The first 8 bytes are used.  The
- * remaining 56 bytes are unaddressable due to the operation taking
- * that portion of the address.
- * 
- * NOTE: The AMO_t _MUST_ be placed in either the first or second half
- * of the cache line.  The cache line _MUST NOT_ be used for anything
- * other than additional AMO_t entries.  This is because there are two
- * addresses which reference the same physical cache line.  One will
- * be a cached entry with the memory type bits all set.  This address
- * may be loaded into processor cache.  The AMO_t will be referenced
- * uncached via the memory special memory type.  If any portion of the
- * cached cache-line is modified, when that line is flushed, it will
- * overwrite the uncached value in physical memory and lead to
- * inconsistency.
- */
-typedef struct {
-        u64 variable;
-        u64 unused[7];
-} AMO_t;
-
-
-/*
- * The following APIs are externalized to the kernel to allocate/free pages of
- * fetchop variables.
- *	fetchop_kalloc_page	- Allocate/initialize 1 fetchop page on the
- *				  specified cnode. 
- *	fetchop_kfree_page	- Free a previously allocated fetchop page
- */
-
-unsigned long fetchop_kalloc_page(int nid);
-void fetchop_kfree_page(unsigned long maddr);
-
-
-#endif /* __KERNEL__ */
-
-#endif /* _ASM_IA64_SN_FETCHOP_H */
-

include/asm-ia64/sn/l1.h

@@ -29,8 +29,9 @@
 #define L1_BRICKTYPE_CHI_CG     0x76            /* v */
 #define L1_BRICKTYPE_X          0x78            /* x */
 #define L1_BRICKTYPE_X2         0x79            /* y */
-#define L1_BRICKTYPE_SA		0x5e            /* ^ */ /* TIO bringup brick */
+#define L1_BRICKTYPE_SA		0x5e            /* ^ */
 #define L1_BRICKTYPE_PA		0x6a            /* j */
 #define L1_BRICKTYPE_IA		0x6b            /* k */
+#define L1_BRICKTYPE_ATHENA	0x2b            /* + */
 
 #endif /* _ASM_IA64_SN_L1_H */

include/asm-ia64/sn/nodepda.h

@@ -13,7 +13,6 @@
 #include <asm/irq.h>
 #include <asm/sn/arch.h>
 #include <asm/sn/intr.h>
-#include <asm/sn/pda.h>
 #include <asm/sn/bte.h>
 
 /*
@@ -67,20 +66,18 @@ typedef struct nodepda_s nodepda_t;
  * The next set of definitions provides this.
  * Routines are expected to use 
  *
- *	nodepda			-> to access node PDA for the node on which code is running
- *	subnodepda		-> to access subnode PDA for the subnode on which code is running
- *
- *	NODEPDA(cnode)		-> to access node PDA for cnodeid 
- *	SUBNODEPDA(cnode,sn)	-> to access subnode PDA for cnodeid/subnode
+ *	sn_nodepda   - to access node PDA for the node on which code is running
+ *	NODEPDA(cnodeid)   - to access node PDA for cnodeid
  */
 
-#define	nodepda		pda->p_nodepda		/* Ptr to this node's PDA */
-#define	NODEPDA(cnode)		(nodepda->pernode_pdaindr[cnode])
+DECLARE_PER_CPU(struct nodepda_s *, __sn_nodepda);
+#define sn_nodepda		(__get_cpu_var(__sn_nodepda))
+#define	NODEPDA(cnodeid)	(sn_nodepda->pernode_pdaindr[cnodeid])
 
 /*
  * Check if given a compact node id the corresponding node has all the
  * cpus disabled. 
  */
-#define is_headless_node(cnode)		(nr_cpus_node(cnode) == 0)
+#define is_headless_node(cnodeid)	(nr_cpus_node(cnodeid) == 0)
 
 #endif /* _ASM_IA64_SN_NODEPDA_H */

include/asm-ia64/sn/pda.h

@@ -24,14 +24,6 @@
 
 typedef struct pda_s {
 
-	/* Having a pointer in the begining of PDA tends to increase
-	 * the chance of having this pointer in cache. (Yes something
-	 * else gets pushed out). Doing this reduces the number of memory
-	 * access to all nodepda variables to be one
-	 */
-	struct nodepda_s *p_nodepda;		/* Pointer to Per node PDA */
-	struct subnodepda_s *p_subnodepda;	/* Pointer to CPU  subnode PDA */
-
 	/*
 	 * Support for SN LEDs
 	 */
@@ -49,7 +41,6 @@ typedef struct pda_s {
 
 	unsigned long	sn_soft_irr[4];
 	unsigned long	sn_in_service_ivecs[4];
-	short		cnodeid_to_nasid_table[MAX_NUMNODES];
 	int		sn_lb_int_war_ticks;
 	int		sn_last_irq;
 	int		sn_first_irq;

include/asm-ia64/sn/shub_mmr.h

@@ -384,6 +384,17 @@
 #define SH_EVENT_OCCURRED_RTC3_INT_SHFT          26
 #define SH_EVENT_OCCURRED_RTC3_INT_MASK          0x0000000004000000
 
+/* ==================================================================== */
+/*                       Register "SH_IPI_ACCESS"                       */
+/*                 CPU interrupt Access Permission Bits                 */
+/* ==================================================================== */
+
+#define SH1_IPI_ACCESS                           0x0000000110060480
+#define SH2_IPI_ACCESS0                          0x0000000010060c00
+#define SH2_IPI_ACCESS1                          0x0000000010060c80
+#define SH2_IPI_ACCESS2                          0x0000000010060d00
+#define SH2_IPI_ACCESS3                          0x0000000010060d80
+
 /* ==================================================================== */
 /*                        Register "SH_INT_CMPB"                        */
 /*                  RTC Compare Value for Processor B                   */
@@ -429,6 +440,19 @@
 #define SH_INT_CMPD_REAL_TIME_CMPD_SHFT          0
 #define SH_INT_CMPD_REAL_TIME_CMPD_MASK          0x007fffffffffffff
 
+/* ==================================================================== */
+/*                Register "SH_MD_DQLP_MMR_DIR_PRIVEC0"                 */
+/*                      privilege vector for acc=0                      */
+/* ==================================================================== */
+
+#define SH1_MD_DQLP_MMR_DIR_PRIVEC0              0x0000000100030300
+
+/* ==================================================================== */
+/*                Register "SH_MD_DQRP_MMR_DIR_PRIVEC0"                 */
+/*                      privilege vector for acc=0                      */
+/* ==================================================================== */
+
+#define SH1_MD_DQRP_MMR_DIR_PRIVEC0              0x0000000100050300
 
 /* ==================================================================== */
 /* Some MMRs are functionally identical (or close enough) on both SHUB1 */

include/asm-ia64/sn/sn_cpuid.h

@@ -4,7 +4,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved.
  */
 
 
@@ -92,24 +92,24 @@
  * NOTE: on non-MP systems, only cpuid 0 exists
  */
 
-extern short physical_node_map[];			/* indexed by nasid to get cnode */
+extern short physical_node_map[];	/* indexed by nasid to get cnode */
 
 /*
  * Macros for retrieving info about current cpu
  */
-#define get_nasid()			(nodepda->phys_cpuid[smp_processor_id()].nasid)
-#define get_subnode()			(nodepda->phys_cpuid[smp_processor_id()].subnode)
-#define get_slice()			(nodepda->phys_cpuid[smp_processor_id()].slice)
-#define get_cnode()			(nodepda->phys_cpuid[smp_processor_id()].cnode)
-#define get_sapicid()			((ia64_getreg(_IA64_REG_CR_LID) >> 16) & 0xffff)
+#define get_nasid()	(sn_nodepda->phys_cpuid[smp_processor_id()].nasid)
+#define get_subnode()	(sn_nodepda->phys_cpuid[smp_processor_id()].subnode)
+#define get_slice()	(sn_nodepda->phys_cpuid[smp_processor_id()].slice)
+#define get_cnode()	(sn_nodepda->phys_cpuid[smp_processor_id()].cnode)
+#define get_sapicid()	((ia64_getreg(_IA64_REG_CR_LID) >> 16) & 0xffff)
 
 /*
  * Macros for retrieving info about an arbitrary cpu
  *	cpuid - logical cpu id
  */
-#define cpuid_to_nasid(cpuid)		(nodepda->phys_cpuid[cpuid].nasid)
-#define cpuid_to_subnode(cpuid)		(nodepda->phys_cpuid[cpuid].subnode)
-#define cpuid_to_slice(cpuid)		(nodepda->phys_cpuid[cpuid].slice)
+#define cpuid_to_nasid(cpuid)		(sn_nodepda->phys_cpuid[cpuid].nasid)
+#define cpuid_to_subnode(cpuid)		(sn_nodepda->phys_cpuid[cpuid].subnode)
+#define cpuid_to_slice(cpuid)		(sn_nodepda->phys_cpuid[cpuid].slice)
 #define cpuid_to_cnodeid(cpuid)		(physical_node_map[cpuid_to_nasid(cpuid)])
 
 
@@ -123,11 +123,8 @@ extern int nasid_slice_to_cpuid(int, int);
 
 /*
  * cnodeid_to_nasid - convert a cnodeid to a NASID
- *	Macro relies on pg_data for a node being on the node itself.
- *	Just extract the NASID from the pointer.
- *
  */
-#define cnodeid_to_nasid(cnodeid)	pda->cnodeid_to_nasid_table[cnodeid]
+#define cnodeid_to_nasid(cnodeid)	(sn_cnodeid_to_nasid[cnodeid])
  
 /*
  * nasid_to_cnodeid - convert a NASID to a cnodeid

kernel/exit.c

@@ -846,6 +846,8 @@ fastcall NORET_TYPE void do_exit(long code)
 	for (;;) ;
 }
 
+EXPORT_SYMBOL_GPL(do_exit);
+
 NORET_TYPE void complete_and_exit(struct completion *comp, long code)
 {
 	if (comp)

mm/page_alloc.c

@@ -43,7 +43,9 @@
  * initializer cleaner
  */
 nodemask_t node_online_map = { { [0] = 1UL } };
+EXPORT_SYMBOL(node_online_map);
 nodemask_t node_possible_map = NODE_MASK_ALL;
+EXPORT_SYMBOL(node_possible_map);
 struct pglist_data *pgdat_list;
 unsigned long totalram_pages;
 unsigned long totalhigh_pages;