linux-kernel - [ 02/68] kernel/signal.c: use __ARCH_HAS_SA_RESTORER instead of SA

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Message-Id: <20130402221330.202347411@linuxfoundation.org>
Date:	Tue,  2 Apr 2013 15:12:51 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>,
	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>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ben Hutchings <ben@...adent.org.uk>
Subject: [ 02/68] kernel/signal.c: use __ARCH_HAS_SA_RESTORER instead of SA_RESTORER

3.4-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.

Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
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: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Ben Hutchings <ben@...adent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 kernel/signal.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -482,7 +482,7 @@ flush_signal_handlers(struct task_struct
 		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);

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