[{"id":3675872,"web_url":"http://patchwork.ozlabs.org/comment/3675872/","msgid":"","list_archive_url":null,"date":"2026-04-10T12:45:42","subject":"Re: [patch V2 06/11] alarmtimer: Provide alarm_start_timer()","submitter":{"id":79411,"url":"http://patchwork.ozlabs.org/api/people/79411/","name":"Frederic Weisbecker","email":"frederic@kernel.org"},"content":"Le Wed, Apr 08, 2026 at 01:54:11PM +0200, Thomas Gleixner a écrit :\n> Alarm timers utilize hrtimers for normal operation and only switch to the\n> RTC on suspend. In order to catch already expired timers early and without\n> going through a timer interrupt cycle, provide a new start function which\n> internally uses hrtimer_start_range_ns_user().\n> \n> If hrtimer_start_range_ns_user() detects an already expired timer, it does\n> not queue it. In that case remove the timer from the alarm base as well.\n> \n> Return the status queued or not back to the caller to handle the early\n> expiry.\n> \n> Signed-off-by: Thomas Gleixner \n> Acked-by: John Stultz \n> Cc: Stephen Boyd \n\nReviewed-by: Frederic Weisbecker ","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","netfilter-devel@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=fcKgXXfp;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c15:e001:75::12fc:5321; helo=sin.lore.kernel.org;\n envelope-from=netfilter-devel+bounces-11810-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=\"fcKgXXfp\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=10.30.226.201"],"Received":["from sin.lore.kernel.org (sin.lore.kernel.org\n [IPv6:2600:3c15:e001:75::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fscP74tC5z1y2d\n\tfor ; Fri, 10 Apr 2026 23:00:59 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sin.lore.kernel.org (Postfix) with ESMTP id 5823C30A45B7\n\tfor ; Fri, 10 Apr 2026 12:46:21 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id A350C24A069;\n\tFri, 10 Apr 2026 12:45:45 +0000 (UTC)","from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org\n [10.30.226.201])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 1D25E235045;\n\tFri, 10 Apr 2026 12:45:44 +0000 (UTC)","by smtp.kernel.org (Postfix) with ESMTPSA id 7611FC19421;\n\tFri, 10 Apr 2026 12:45:44 +0000 (UTC)"],"ARC-Seal":"i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1775825145; cv=none;\n b=Ep/K08XUp5me5CaojqYQPQPCypOlmBzA/FubcelxcM/GODwrOzY1Qh0aA7pktTF0tdhaAzr2ctzSnQnsfI2SScPcB5nXGxPaqEw/LrvXebfgiQyHyNH0c+aj/PTmubtkCUZ0Yo69EoNtSNVbGCS/iiK3D1Ll6mpY5KvsQEXjEQI=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1775825145; c=relaxed/simple;\n\tbh=XczVCJGkATH2J5Vmf+vdFlnbUhkQSJONVdDbdNdb4hY=;\n\th=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version:\n\t Content-Type:Content-Disposition:In-Reply-To;\n b=Cwhqrqp1qJWLKFeLJ8tNF4YuevyZoadrpdnl7WdMU1OPdJhit9mciVdfZawtqA30PyTOyjaZrUk83YcZeTwq32VessdZQDKUsepSTmUkyqWpJbsy6noxT7XGLU5YUTx7tBMkQL1nXua9L71zE8iUglk0WtzqrjVsb17WgagXwco=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=fcKgXXfp; arc=none smtp.client-ip=10.30.226.201","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1775825144;\n\tbh=XczVCJGkATH2J5Vmf+vdFlnbUhkQSJONVdDbdNdb4hY=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=fcKgXXfpZq4HapPkze64lgRKmdxxEKpEz//KEdxyl3W+MR7C4nu9UgE/mWlgCtavB\n\t expCIP+VZpn8UDiDE3APMSR9HT8ajyhq6D1+KLw5VCFfksqBQBMnGWmLDUxJnLepqR\n\t vEOSZ+i3v5svYcnuADxtK3z4Ik+l6ROjjDDCS7D3/pK18BqG1P1994tMKKWvCcC2jp\n\t MzekFRAcUOCa5MqkIpdoAJweJ/q5k3Igc08mE57dqIypETBWSZwYUN4H3T64ZUFXGD\n\t bd37FgiqbKU8R66UjqHzcZqcR5Uy46bB3SNfaopbiyapDX0L3aTx4BFDNbJ602kvA4\n\t 4CBjWY3ij/xPw==","Date":"Fri, 10 Apr 2026 14:45:42 +0200","From":"Frederic Weisbecker ","To":"Thomas Gleixner ","Cc":"LKML , John Stultz ,\n\tStephen Boyd , Calvin Owens ,\n\tAnna-Maria Behnsen ,\n\t\"Peter Zijlstra (Intel)\" ,\n\tAlexander Viro ,\n\tChristian Brauner , Jan Kara ,\n\tlinux-fsdevel@vger.kernel.org, Sebastian Reichel ,\n\tlinux-pm@vger.kernel.org, Pablo Neira Ayuso ,\n\tFlorian Westphal , Phil Sutter ,\n\tnetfilter-devel@vger.kernel.org, coreteam@netfilter.org","Subject":"Re: [patch V2 06/11] alarmtimer: Provide alarm_start_timer()","Message-ID":"","References":"<20260408102356.783133335@kernel.org>\n <20260408114952.332822525@kernel.org>","Precedence":"bulk","X-Mailing-List":"netfilter-devel@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"text/plain; charset=iso-8859-1","Content-Disposition":"inline","Content-Transfer-Encoding":"8bit","In-Reply-To":"<20260408114952.332822525@kernel.org>"}}]