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authorDavid S. Miller <davem@sunset.davemloft.net>2006-07-22 04:12:09 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2006-07-25 01:33:58 -0400
commiteb398d1044e0c1c19c2f5041acdb29ddb5bbc9f8 (patch)
treed493c8298bd5204d4295761edd38746d191bd0e2 /arch/sparc64/mm/fault.c
parentb4e54de8d34afe7fcf08bfe91070d9dfeae6ed27 (diff)
[SPARC64]: Explicitly print return PC when the kernel fault PC is bogus.
That way we'll have at least some debugging info even if the stack dump explodes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/mm/fault.c')
-rw-r--r--arch/sparc64/mm/fault.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c
index 1605967cce91..55ae802dc0ad 100644
--- a/arch/sparc64/mm/fault.c
+++ b/arch/sparc64/mm/fault.c
@@ -19,6 +19,7 @@
19#include <linux/init.h> 19#include <linux/init.h>
20#include <linux/interrupt.h> 20#include <linux/interrupt.h>
21#include <linux/kprobes.h> 21#include <linux/kprobes.h>
22#include <linux/kallsyms.h>
22 23
23#include <asm/page.h> 24#include <asm/page.h>
24#include <asm/pgtable.h> 25#include <asm/pgtable.h>
@@ -132,6 +133,8 @@ static void bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr)
132 133
133 printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n", 134 printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n",
134 regs->tpc); 135 regs->tpc);
136 printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]);
137 print_symbol("RPC: <%s>\n", regs->u_regs[15]);
135 printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr); 138 printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr);
136 __asm__("mov %%sp, %0" : "=r" (ksp)); 139 __asm__("mov %%sp, %0" : "=r" (ksp));
137 show_stack(current, ksp); 140 show_stack(current, ksp);