4 files changed, 58 insertions, 29 deletions

diff --git a/arch/arm/boot/.gitignore b/arch/arm/boot/.gitignore
index 171a0853caf..ce1c5ff746e 100644
--- a/arch/arm/boot/.gitignore
+++ b/arch/arm/boot/.gitignore
@@ -1,2 +1,5 @@
 Image
 zImage
+xipImage
+bootpImage
+uImage
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 23348e9561b..680ea6ed77b 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -836,6 +836,7 @@ memdump:	mov	r12, r0
 		mov	pc, r10
 #endif
 
+		.ltorg
 reloc_end:
 
 		.align
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 5d6e6523598..842361777d4 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -28,6 +28,7 @@
 #include <linux/elfcore.h>
 #include <linux/pm.h>
 #include <linux/tick.h>
+#include <linux/utsname.h>
 
 #include <asm/leds.h>
 #include <asm/processor.h>
@@ -199,16 +200,19 @@ void machine_restart(char * __unused)
 
 void __show_regs(struct pt_regs *regs)
 {
-	unsigned long flags = condition_codes(regs);
+	unsigned long flags;
+	char buf[64];
 
-	printk("CPU: %d\n", smp_processor_id());
+	printk("CPU: %d    %s  (%s %.*s)\n",
+		smp_processor_id(), print_tainted(), init_utsname()->release,
+		(int)strcspn(init_utsname()->version, " "),
+		init_utsname()->version);
 	print_symbol("PC is at %s\n", instruction_pointer(regs));
 	print_symbol("LR is at %s\n", regs->ARM_lr);
-	printk("pc : [<%08lx>]    lr : [<%08lx>]    %s\n"
+	printk("pc : [<%08lx>]    lr : [<%08lx>]    psr: %08lx\n"
 	       "sp : %08lx  ip : %08lx  fp : %08lx\n",
-		instruction_pointer(regs),
-		regs->ARM_lr, print_tainted(), regs->ARM_sp,
-		regs->ARM_ip, regs->ARM_fp);
+		regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr,
+		regs->ARM_sp, regs->ARM_ip, regs->ARM_fp);
 	printk("r10: %08lx  r9 : %08lx  r8 : %08lx\n",
 		regs->ARM_r10, regs->ARM_r9,
 		regs->ARM_r8);
@@ -218,36 +222,39 @@ void __show_regs(struct pt_regs *regs)
 	printk("r3 : %08lx  r2 : %08lx  r1 : %08lx  r0 : %08lx\n",
 		regs->ARM_r3, regs->ARM_r2,
 		regs->ARM_r1, regs->ARM_r0);
-	printk("Flags: %c%c%c%c",
-		flags & PSR_N_BIT ? 'N' : 'n',
-		flags & PSR_Z_BIT ? 'Z' : 'z',
-		flags & PSR_C_BIT ? 'C' : 'c',
-		flags & PSR_V_BIT ? 'V' : 'v');
-	printk("  IRQs o%s  FIQs o%s  Mode %s%s  Segment %s\n",
-		interrupts_enabled(regs) ? "n" : "ff",
+
+	flags = regs->ARM_cpsr;
+	buf[0] = flags & PSR_N_BIT ? 'N' : 'n';
+	buf[1] = flags & PSR_Z_BIT ? 'Z' : 'z';
+	buf[2] = flags & PSR_C_BIT ? 'C' : 'c';
+	buf[3] = flags & PSR_V_BIT ? 'V' : 'v';
+	buf[4] = '\0';
+
+	printk("Flags: %s  IRQs o%s  FIQs o%s  Mode %s%s  Segment %s\n",
+		buf, interrupts_enabled(regs) ? "n" : "ff",
 		fast_interrupts_enabled(regs) ? "n" : "ff",
 		processor_modes[processor_mode(regs)],
 		thumb_mode(regs) ? " (T)" : "",
 		get_fs() == get_ds() ? "kernel" : "user");
-#if CONFIG_CPU_CP15
+#ifdef CONFIG_CPU_CP15
 	{
 		unsigned int ctrl;
-		  __asm__ (
-		"	mrc p15, 0, %0, c1, c0\n"
-		: "=r" (ctrl));
-		printk("Control: %04X\n", ctrl);
-	}
+
+		buf[0] = '\0';
 #ifdef CONFIG_CPU_CP15_MMU
-	{
-		unsigned int transbase, dac;
-		  __asm__ (
-		"	mrc p15, 0, %0, c2, c0\n"
-		"	mrc p15, 0, %1, c3, c0\n"
-		: "=r" (transbase), "=r" (dac));
-		printk("Table: %08X  DAC: %08X\n",
-		  	transbase, dac);
-	}
+		{
+			unsigned int transbase, dac;
+			asm("mrc p15, 0, %0, c2, c0\n\t"
+			    "mrc p15, 0, %1, c3, c0\n"
+			    : "=r" (transbase), "=r" (dac));
+			snprintf(buf, sizeof(buf), "  Table: %08x  DAC: %08x",
+			  	transbase, dac);
+		}
 #endif
+		asm("mrc p15, 0, %0, c1, c0\n" : "=r" (ctrl));
+
+		printk("Control: %08x%s\n", ctrl, buf);
+	}
 #endif
 }
 
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 10ff36e4e41..1b68d365d0e 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -204,12 +204,24 @@ void show_stack(struct task_struct *tsk, unsigned long *sp)
 	barrier();
 }
 
+#ifdef CONFIG_PREEMPT
+#define S_PREEMPT " PREEMPT"
+#else
+#define S_PREEMPT ""
+#endif
+#ifdef CONFIG_SMP
+#define S_SMP " SMP"
+#else
+#define S_SMP ""
+#endif
+
 static void __die(const char *str, int err, struct thread_info *thread, struct pt_regs *regs)
 {
 	struct task_struct *tsk = thread->task;
 	static int die_counter;
 
-	printk("Internal error: %s: %x [#%d]\n", str, err, ++die_counter);
+	printk("Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n",
+	       str, err, ++die_counter);
 	print_modules();
 	__show_regs(regs);
 	printk("Process %s (pid: %d, stack limit = 0x%p)\n",
@@ -232,6 +244,8 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
 {
 	struct thread_info *thread = current_thread_info();
 
+	oops_enter();
+
 	console_verbose();
 	spin_lock_irq(&die_lock);
 	bust_spinlocks(1);
@@ -239,9 +253,13 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
 	bust_spinlocks(0);
 	spin_unlock_irq(&die_lock);
 
+	if (in_interrupt())
+		panic("Fatal exception in interrupt");
+
 	if (panic_on_oops)
 		panic("Fatal exception");
 
+	oops_exit();
 	do_exit(SIGSEGV);
 }