From: David S. Miller <davem@sunset.davemloft.net>
Date: Tue, 14 Feb 2006 02:07:45 +0000 (-0800)
Subject: [SPARC64]: Log faulting vaddr when bogus kernel PC detected.
X-Git-Tag: v2.6.17-rc1~1184^2~133
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf941d6cd62aa2022f0887e25e3d02c389b0bf9b;p=linux-2.6

[SPARC64]: Log faulting vaddr when bogus kernel PC detected.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c
index 439a53c1e5..b97bd054aa 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;
 		}
 	}