From nobody Tue Feb 10 21:39:11 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 16C52C0015E for ; Tue, 1 Aug 2023 13:25:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234242AbjHANZU (ORCPT ); Tue, 1 Aug 2023 09:25:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234187AbjHANZI (ORCPT ); Tue, 1 Aug 2023 09:25:08 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36825269F for ; Tue, 1 Aug 2023 06:25:03 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E1624615A3 for ; Tue, 1 Aug 2023 13:25:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 509D6C433C8; Tue, 1 Aug 2023 13:25:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1690896302; bh=rciJFUiyVsvhXbHYtyfujY9ldyQ8u3jv3Unlkm5oJ8Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lnp7XiqARKpzKndW55oU0pFk++KVe7qMUYvK5aKtl891T2uF5+HHyVOFY++Pfj7cb 9hIF71vVnTxKoWv8urpMEhOPN9X+JwnUUTcJ0iKi2dnt6OrQecFIZq/jtkqDOHeIRx 0B6hJ1R3KNBOfN8wHxkzYjsgIXm2rGyxDV2qS5hr6qHZ6cn+mg7ijE4vbVyFziZpGJ 63bdbmru35c+St1REUh6OG8y0Z4iaOlXWpJvmsgypEio81WHULIM+b0B8qX94ygl7H 2ekN/heycVbwDUdNup6qsP/UYHcyO3HEwuovJ3oE71r8F4iINoP3dB1axgSedSDqPd usHOdgqfR2MhA== From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , Sebastian Andrzej Siewior , Peter Zijlstra , Thomas Gleixner , "Paul E . McKenney" , Linus Torvalds , Anna-Maria Behnsen , Eric Dumazet Subject: [RFC PATCH 6/6] timers: Make process_timeout() soft-interruptible Date: Tue, 1 Aug 2023 15:24:41 +0200 Message-Id: <20230801132441.559222-7-frederic@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230801132441.559222-1-frederic@kernel.org> References: <20230801132441.559222-1-frederic@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The most frequent timer can be safely interrupted by other vectors as it's only performing a wake-up. Signed-off-by: Frederic Weisbecker --- kernel/time/timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 1e43f54def0e..0f6eb9c0901c 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -2180,7 +2180,7 @@ signed long __sched schedule_timeout(signed long time= out) expire =3D timeout + jiffies; =20 timer.task =3D current; - timer_setup_on_stack(&timer.timer, process_timeout, 0); + timer_setup_on_stack(&timer.timer, process_timeout, TIMER_SOFTINTERRUPTIB= LE); __mod_timer(&timer.timer, expire, MOD_TIMER_NOTPENDING); schedule(); del_timer_sync(&timer.timer); --=20 2.34.1