From a3248d609bd4514932bac291356e6a89abf259bc Mon Sep 17 00:00:00 2001
From: Chung-Ling Tang <cltang@codesourcery.com>
Date: Mon, 9 Feb 2015 09:40:50 +0800
Subject: [PATCH] nios2: fix unhandled signals
Follow other architectures for user fault handling.
Signed-off-by: Chung-Ling Tang <cltang@codesourcery.com>
Acked-by: Ley Foon Tan <lftan@altera.com>
---
arch/nios2/mm/fault.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/nios2/mm/fault.c b/arch/nios2/mm/fault.c
index 34429d5a0ccd..d194c0427b26 100644
--- a/arch/nios2/mm/fault.c
+++ b/arch/nios2/mm/fault.c
@@ -159,9 +159,11 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long cause,
bad_area_nosemaphore:
/* User mode accesses just cause a SIGSEGV */
if (user_mode(regs)) {
- pr_alert("%s: unhandled page fault (%d) at 0x%08lx, "
- "cause %ld\n", current->comm, SIGSEGV, address, cause);
- show_regs(regs);
+ if (unhandled_signal(current, SIGSEGV) && printk_ratelimit()) {
+ pr_info("%s: unhandled page fault (%d) at 0x%08lx, "
+ "cause %ld\n", current->comm, SIGSEGV, address, cause);
+ show_regs(regs);
+ }
_exception(SIGSEGV, regs, code, address);
return;
}