Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932362Ab2BNLo7 (ORCPT ); Tue, 14 Feb 2012 06:44:59 -0500 Received: from arkanian.console-pimps.org ([212.110.184.194]:57880 "EHLO arkanian.console-pimps.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754748Ab2BNLoD (ORCPT ); Tue, 14 Feb 2012 06:44:03 -0500 From: Matt Fleming To: linux-arch@vger.kernel.org Cc: Oleg Nesterov , Andrew Morton , linux-kernel@vger.kernel.org, Matt Fleming , Chris Zankel Subject: [PATCH 38/40] xtensa: No need to reset handler if SA_ONESHOT Date: Tue, 14 Feb 2012 11:41:11 +0000 Message-Id: <1329219673-28711-39-git-send-email-matt@console-pimps.org> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1329219673-28711-1-git-send-email-matt@console-pimps.org> References: <1329219673-28711-1-git-send-email-matt@console-pimps.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1415 Lines: 38 From: Matt Fleming get_signal_to_deliver() already resets the signal handler if SA_ONESHOT is set in ka->sa.sa_flags, there's no need to do it again in handle_signal(). Furthermore, because we were modifying ka->sa.sa_handler (which is a copy of sighand->action[]) instead of sighand->action[] the original code actually had no effect on signal delivery. Acked-by: Oleg Nesterov Cc: Chris Zankel Signed-off-by: Matt Fleming --- arch/xtensa/kernel/signal.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-) diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c index 4f53770..24655e3 100644 --- a/arch/xtensa/kernel/signal.c +++ b/arch/xtensa/kernel/signal.c @@ -536,9 +536,6 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset) /* Set up the stack frame */ setup_frame(signr, &ka, &info, oldset, regs); - if (ka.sa.sa_flags & SA_ONESHOT) - ka.sa.sa_handler = SIG_DFL; - spin_lock_irq(¤t->sighand->siglock); sigorsets(¤t->blocked, ¤t->blocked, &ka.sa.sa_mask); if (!(ka.sa.sa_flags & SA_NODEFER)) -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/