Merge nuts.ninka.net:/home/davem/src/BK/sparcwork-2.5

into nuts.ninka.net:/home/davem/src/BK/sparc-2.5

arch/sparc/Kconfig

@@ -1000,6 +1000,13 @@ config DEBUG_SPINLOCK_SLEEP
 	  If you say Y here, various routines which may sleep will become very
 	  noisy if they are called with a spinlock held.	
 
+config DEBUG_BUGVERBOSE
+	bool "Verbose BUG() reporting (adds 70K)"
+	help
+	  Say Y here to make BUG() panics output the file name and line number
+	  of the BUG call as well as the EIP and oops trace.  This aids
+	  debugging but costs about 70-100K of memory.
+
 endmenu
 
 source "security/Kconfig"

arch/sparc/defconfig

@@ -2,7 +2,6 @@
 # Automatically generated make config: don't edit
 #
 CONFIG_MMU=y
-CONFIG_SWAP=y
 CONFIG_UID16=y
 CONFIG_HIGHMEM=y
 CONFIG_GENERIC_ISA_DMA=y
@@ -15,10 +14,11 @@ CONFIG_EXPERIMENTAL=y
 #
 # General setup
 #
-CONFIG_NET=y
+CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
+CONFIG_LOG_BUF_SHIFT=14
 
 #
 # Loadable module support
@@ -26,6 +26,8 @@ CONFIG_SYSCTL=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
+CONFIG_OBSOLETE_MODPARM=y
+# CONFIG_MODVERSIONS is not set
 CONFIG_KMOD=y
 
 #
@@ -45,6 +47,7 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_SUN_PM=y
 # CONFIG_SUN4 is not set
 CONFIG_PCI=y
+# CONFIG_PCI_LEGACY_PROC is not set
 # CONFIG_PCI_NAMES is not set
 CONFIG_SUN_OPENPROMFS=m
 CONFIG_KCORE_ELF=y
@@ -59,15 +62,17 @@ CONFIG_SUNOS_EMUL=y
 # CONFIG_PARPORT is not set
 
 #
-# Console drivers
+# Graphics support
 #
-# CONFIG_PROM_CONSOLE is not set
-CONFIG_DUMMY_CONSOLE=y
+# CONFIG_FB is not set
 
 #
-# Frame-buffer support
+# Console display driver support
 #
-# CONFIG_FB is not set
+# CONFIG_VGA_CONSOLE is not set
+# CONFIG_MDA_CONSOLE is not set
+# CONFIG_PROM_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
 
 #
 # Memory Technology Devices (MTD)
@@ -130,13 +135,43 @@ CONFIG_BLK_DEV_INITRD=y
 #
 # SCSI support
 #
-# CONFIG_SCSI is not set
+CONFIG_SCSI=y
+
+#
+# SCSI support type (disk, tape, CDrom)
+#
+CONFIG_BLK_DEV_SD=y
+CONFIG_SD_EXTRA_DEVS=40
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+CONFIG_BLK_DEV_SR=m
+# CONFIG_BLK_DEV_SR_VENDOR is not set
+CONFIG_SR_EXTRA_DEVS=2
+CONFIG_CHR_DEV_SG=m
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+
+#
+# SCSI low-level drivers
+#
+CONFIG_SCSI_SUNESP=y
+CONFIG_SCSI_QLOGICPTI=m
 
 #
 # Fibre Channel support
 #
 # CONFIG_FC4 is not set
 
+#
+# Networking support
+#
+CONFIG_NET=y
+
 #
 # Networking options
 #
@@ -389,6 +424,7 @@ CONFIG_NLS_DEFAULT="iso8859-1"
 # USB support
 #
 # CONFIG_USB is not set
+# CONFIG_USB_GADGET is not set
 
 #
 # Bluetooth support
@@ -407,6 +443,7 @@ CONFIG_DEBUG_SLAB=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_SPINLOCK=y
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+CONFIG_DEBUG_BUGVERBOSE=y
 
 #
 # Security options

arch/sparc/kernel/entry.S

@@ -359,10 +359,10 @@ maybe_smp4m_msg:
 	andcc	%o1, %o4, %g0
 	be,a	smp4m_ticker
 	 cmp	%l7, 14
-	cmp	%l7, 13
-	add	%o5, %o3, %o5
-	bne,a	1f
 	sethi	%hi(0x40000000), %o2
+	add	%o5, %o3, %o5
+	andcc	%o1, %o2, %g0
+	be,a	1f
 	 sethi	%hi(0x20000000), %o2
 1:
 	st	%o2, [%o5 + 0x4]
@@ -374,7 +374,8 @@ maybe_smp4m_msg:
 	WRITE_PAUSE
 	wr	%l4, PSR_ET, %psr
 	WRITE_PAUSE
-	cmp	%l7, 13
+	srl	%o2, (16+14), %o2
+	tst	%o2
 	bne	2f
 	 nop
 	call	C_LABEL(smp_reschedule_irq)

arch/sparc/kernel/smp.c

@@ -133,6 +133,16 @@ void __init smp_boot_cpus(void)
 		smp4d_boot_cpus();
 }
 
+void smp_send_reschedule(int cpu)
+{
+	smp_message_pass (cpu, MSG_RESCHEDULE, 0, 0);
+}
+
+void smp_send_stop(void)
+{
+	smp_message_pass (MSG_ALL_BUT_SELF, MSG_STOP_CPU, 0, 0);
+}
+
 void smp_flush_cache_all(void)
 {
 	xc0((smpfunc_t) BTFIXUP_CALL(local_flush_cache_all));

arch/sparc/kernel/sparc_ksyms.c

@@ -53,6 +53,7 @@
 #endif
 #include <asm/a.out.h>
 #include <asm/io-unit.h>
+#include <asm/bug.h>
 
 extern spinlock_t rtc_lock;
 
@@ -312,5 +313,9 @@ EXPORT_SYMBOL_DOT(umul);
 EXPORT_SYMBOL_DOT(div);
 EXPORT_SYMBOL_DOT(udiv);
 
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+EXPORT_SYMBOL(do_BUG);
+#endif
+
 /* Sun Power Management Idle Handler */
 EXPORT_SYMBOL(pm_idle);

arch/sparc/kernel/traps.c

@@ -463,6 +463,14 @@ void handle_hw_divzero(struct pt_regs *regs, unsigned long pc, unsigned long npc
 	send_sig_info(SIGFPE, &info, current);
 }
 
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+void do_BUG(const char *file, int line)
+{
+        // bust_spinlocks(1);   XXX Not in our original BUG()
+        printk("kernel BUG at %s:%d!\n", file, line);
+}
+#endif
+
 /* Since we have our mappings set up, on multiprocessors we can spin them
  * up here so that timer interrupts work during initialization.
  */

drivers/scsi/esp.c

@@ -1215,11 +1215,33 @@ static int __init esp_detect(Scsi_Host_Template *tpnt)
 
 #endif /* !CONFIG_SUN4 */
 
+/*
+ */
+static int esp_release(struct Scsi_Host *host)
+{
+	struct esp *esp = (struct esp *) host->hostdata;
+
+	ESP_INTSOFF(esp->dregs);
+#if 0
+	esp_reset_dma(esp);
+	esp_reset_esp(esp);
+#endif
+
+	free_irq(esp->ehost->irq, esp);
+	sbus_free_consistent(esp->sdev, 16,
+			     (void *) esp->esp_command, esp->esp_command_dvma);
+	sbus_iounmap(esp->eregs, ESP_REG_SIZE);
+	esp->dma->allocated = 0;
+	esp_chain_del(esp);
+
+        return 0;
+}
+
 /* The info function will return whatever useful
  * information the developer sees fit.  If not provided, then
  * the name field will be used instead.
  */
-const char *esp_info(struct Scsi_Host *host)
+static const char *esp_info(struct Scsi_Host *host)
 {
 	struct esp *esp;
 
@@ -4370,6 +4392,7 @@ static Scsi_Host_Template driver_template = {
 	.detect			= esp_detect,
 	.slave_alloc		= esp_slave_alloc,
 	.slave_destroy		= esp_slave_destroy,
+	.release		= esp_release,
 	.info			= esp_info,
 	.command		= esp_command,
 	.queuecommand		= esp_queue,

include/asm-sparc/bug.h

@@ -2,24 +2,18 @@
 #ifndef _SPARC_BUG_H
 #define _SPARC_BUG_H
 
-/*
- * XXX I am hitting compiler bugs with __builtin_trap. This has
- * hit me before and rusty was blaming his netfilter bugs on
- * this so lets disable it. - Anton
- */
-#if 0
-/* We need the mb()'s so we don't trigger a compiler bug - Anton */
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+extern void do_BUG(const char *file, int line);
 #define BUG() do {					\
-	mb(); \
+	do_BUG(__FILE__, __LINE__);			\
 	__builtin_trap();				\
-	mb(); \
-} while(0)
-#else
-#define BUG() do { \
-	printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); *(int *)0=0; \
 } while (0)
+#else
+#define BUG()		__builtin_trap()
 #endif
 
-#define PAGE_BUG(page)	BUG()
+#define PAGE_BUG(page) do { \
+	BUG(); \
+} while (0)
 
 #endif

include/asm-sparc/smp.h

@@ -169,9 +169,6 @@ extern __inline__ int hard_smp_processor_id(void)
 #endif
 
 #define smp_processor_id() hard_smp_processor_id()
-/* XXX We really need to implement this now.  -DaveM */
-extern __inline__ void smp_send_reschedule(int cpu) { }
-extern __inline__ void smp_send_stop(void) { }
 
 #endif /* !(__ASSEMBLY__) */