[PATCH v2 05/10] powerpc/traps: Print VMA for unhandled signals
Murilo Opsfelder Araujo
muriloo at linux.ibm.com
Sat Jul 28 00:58:06 AEST 2018
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 00000000100007d0 nip 000000001000061c lr 00007fff8d185100 code 2
After this patch, a page fault looks like:
pandafault[6303]: unhandled signal 11 at 00000000100007d0 nip 000000001000061c lr 00007fff93c55100 code 2 in pandafault[10000000+10000]
Signed-off-by: Murilo Opsfelder Araujo <muriloo at linux.ibm.com>
---
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 047d980ac776..e6c43ef9fb50 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -315,9 +315,13 @@ static void show_signal_msg(int signr, struct pt_regs *regs, int code,
return;
pr_info("%s[%d]: unhandled signal %d at "REG_FMT \
- " nip "REG_FMT" lr "REG_FMT" code %x\n",
+ " nip "REG_FMT" lr "REG_FMT" 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
More information about the Linuxppc-dev
mailing list