提交 bf941d6c 编写于 作者: D David S. Miller

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

Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 6c0f402f
......@@ -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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