From: Jesper Nilsson <jesper@jni.nu>
Date: Thu, 17 Jun 2010 13:25:54 +0000 (+0200)
Subject: MIPS: Return after handling coprocessor 2 exception
X-Git-Tag: v2.6.35-rc5~20^2
X-Git-Url: http://bbs.cooldavid.org/git/?p=net-next-2.6.git;a=commitdiff_plain;h=55dc9d51a89ba10a1f7b3ed15f1262eb83e87e74

MIPS: Return after handling coprocessor 2 exception

Breaking here dropped us to the default code which always sends a SIGILL
to the current process, no matter what the CU2 notifier says.

[Ralf: Currently this only hurts on Cavium and possibly some out of tree
platforms.]

Signed-off-by: Jesper Nilsson <jesper@jni.nu>
To: linux-mips@linux-mips.org
To: linux-kernel@vger.kernel.org
Patchwork: http://patchwork.linux-mips.org/patch/1391/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 8bdd6a663c7..852780868fb 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -976,7 +976,7 @@ asmlinkage void do_cpu(struct pt_regs *regs)
 
 	case 2:
 		raw_notifier_call_chain(&cu2_chain, CU2_EXCEPTION, regs);
-		break;
+		return;
 
 	case 3:
 		break;