linux-kernel - [PATCH 150/150] kernel/signal.c: use __ARCH_HAS_SA_RESTORER instead of SA

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Date:	Tue, 26 Mar 2013 15:20:49 +0000
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Emese Revfy <re.emese@...il.com>, PaX Team <pageexec@...email.hu>,
	Al Viro <viro@...iv.linux.org.uk>,
	Oleg Nesterov <oleg@...hat.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	Julien Tinnes <jln@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 150/150] kernel/signal.c: use __ARCH_HAS_SA_RESTORER instead of SA_RESTORER

3.5.7.9 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andrew Morton <akpm@...ux-foundation.org>

commit 522cff142d7d2f9230839c9e1f21a4d8bcc22a4a upstream.

__ARCH_HAS_SA_RESTORER is the preferred conditional for use in 3.9 and
later kernels, per Kees.

Cc: Emese Revfy <re.emese@...il.com>
Cc: Emese Revfy <re.emese@...il.com>
Cc: PaX Team <pageexec@...email.hu>
Cc: Al Viro <viro@...iv.linux.org.uk>
Cc: Oleg Nesterov <oleg@...hat.com>
Cc: "Eric W. Biederman" <ebiederm@...ssion.com>
Cc: Serge Hallyn <serge.hallyn@...onical.com>
Cc: Julien Tinnes <jln@...gle.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 kernel/signal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index f2d6a4f..0e9b729 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -483,7 +483,7 @@ flush_signal_handlers(struct task_struct *t, int force_default)
 		if (force_default || ka->sa.sa_handler != SIG_IGN)
 			ka->sa.sa_handler = SIG_DFL;
 		ka->sa.sa_flags = 0;
-#ifdef SA_RESTORER
+#ifdef __ARCH_HAS_SA_RESTORER
 		ka->sa.sa_restorer = NULL;
 #endif
 		sigemptyset(&ka->sa.sa_mask);
-- 
1.8.1.2

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