From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754506AbeCVBpg (ORCPT ); Wed, 21 Mar 2018 21:45:36 -0400 Received: from akagi.fsij.org ([217.70.189.144]:38152 "EHLO akagi.fsij.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754490AbeCVBpd (ORCPT ); Wed, 21 Mar 2018 21:45:33 -0400 From: NIIBE Yutaka To: linux-kernel@vger.kernel.org Cc: NIIBE Yutaka Subject: [PATCH v2 3/4] signal/x86: Move restore_saved_sigmask(). Date: Thu, 22 Mar 2018 10:44:12 +0900 Message-Id: <20180322014413.24099-4-gniibe@fsij.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180322014413.24099-1-gniibe@fsij.org> References: <20180322014413.24099-1-gniibe@fsij.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Call to restore_saved_sigmask is only needed when it is from a system call. It is only woken up system call which uses saved_sigmask. Specifically, they are pselect, ppoll, and epoll_pwait. Signed-off-by: NIIBE Yutaka --- arch/x86/kernel/signal.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index e709b54a01b8..9c24df5ca2d4 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -834,13 +834,13 @@ void nosig_restart_syscall(struct pt_regs *regs) regs->ip -= 2; break; } - } - /* - * If there's no signal to deliver, we just put the saved sigmask - * back. - */ - restore_saved_sigmask(); + /* + * If there's no signal to deliver, we just put the + * saved sigmask back. + */ + restore_saved_sigmask(); + } } void signal_fault(struct pt_regs *regs, void __user *frame, char *where) -- 2.11.0