[PATCH v3 4/9] powerpc/traps: Print VMA for unhandled signals

[Murilo Opsfelder Araujo]

This adds VMA address in the message printed for unhandled signals,
similarly to what other architectures, like x86, print.

Before this patch, a page fault looked like:

  pandafault[61470]: unhandled signal 11 at 100007d0 nip 1000061c lr 7fff8d185100 code 2

After this patch, a page fault looks like:

  pandafault[6303]: unhandled signal 11 at 100007d0 nip 1000061c lr 7fff93c55100 code 2 in pandafault[10000000+10000]

Signed-off-by: Murilo Opsfelder Araujo <muriloo@xxxxxxxxxxxxx>
---
 arch/powerpc/kernel/traps.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index fd4e0648a2d2..1c4f06fca370 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -314,9 +314,13 @@ static void show_signal_msg(int signr, struct pt_regs *regs, int code,
 	if (!unhandled_signal(current, signr))
 		return;
 
-	pr_info("%s[%d]: unhandled signal %d at %lx nip %lx lr %lx code %x\n",
+	pr_info("%s[%d]: unhandled signal %d at %lx nip %lx lr %lx code %x",
 		current->comm, current->pid, signr,
 		addr, regs->nip, regs->link, code);
+
+	print_vma_addr(KERN_CONT " in ", regs->nip);
+
+	pr_cont("\n");
 }
 
 void _exception_pkey(int signr, struct pt_regs *regs, int code,
-- 
2.17.1