From bf941d6cd62aa2022f0887e25e3d02c389b0bf9b Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@sunset.davemloft.net>
Date: Mon, 13 Feb 2006 18:07:45 -0800
Subject: [SPARC64]: Log faulting vaddr when bogus kernel PC detected.
Signed-off-by: David S. Miller <davem@davemloft.net>
---
arch/sparc64/mm/fault.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
(limited to 'arch/sparc64/mm')
diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c
index 439a53c1e560..b97bd054aad3 100644
--- a/arch/sparc64/mm/fault.c
+++ b/arch/sparc64/mm/fault.c
@@ -91,12 +91,13 @@ static void __kprobes unhandled_fault(unsigned long address,
die_if_kernel("Oops", regs);
}
-static void bad_kernel_pc(struct pt_regs *regs)
+static void bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr)
{
unsigned long *ksp;
printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n",
regs->tpc);
+ printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr);
__asm__("mov %%sp, %0" : "=r" (ksp));
show_stack(current, ksp);
unhandled_fault(regs->tpc, current, regs);
@@ -280,7 +281,7 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
(tpc >= MODULES_VADDR && tpc < MODULES_END)) {
/* Valid, no problems... */
} else {
- bad_kernel_pc(regs);
+ bad_kernel_pc(regs, address);
return;
}
}
--
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