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Commit eb398d10 authored by David S. Miller's avatar David S. Miller
Browse files

[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: default avatarDavid S. Miller <davem@davemloft.net>
parent b4e54de8

arch/sparc64/mm/fault.c

+3 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/kprobes.h>

#include <linux/kallsyms.h>



#include <asm/page.h>

#include <asm/pgtable.h>
@@ -132,6 +133,8 @@ static void bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr) 


	printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n",

	       regs->tpc);

	printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]);

	print_symbol("RPC: <%s>\n", regs->u_regs[15]);

	printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr);

	__asm__("mov %%sp, %0" : "=r" (ksp));

	show_stack(current, ksp);