From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1F0963A6F1B; Tue, 7 Apr 2026 10:01:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775556111; cv=none; b=ANtICjBuV139J4eCQsBbrFwaUyCwPEgQblnU+snoO8m2xgmMtfRvG3FbaLd+/hjYOIzHvH5KZh5+DMphq/Dzsbl5hCcZ2AG20l8/8yeuvHcUtG5eazYbQX3MroTz969saMY59v5kmimi4KGOE/3gCcFty3yzV7SlMUjoNiQNFSQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775556111; c=relaxed/simple; bh=ecyAOrMMrbKEuqB5Firmz5k14myba7ZphTAGIuvqBNo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=oQ8+t2Du3RdgXNtkc+GQUsVC19w3e4dKRkK54MVPaFtChQQJk5MdnNcIr+6cECzw7Wxv6Wra5Z9vjw6s5h+bxSNVu6nT/3l/PcW10P7QGV29kec3UZxAJlH9TSzlZ9WCZg2H4ytoryU195wjPuCkB1IQO9Yv+bPJ5QEXKSk4kbQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=JpBPxme3; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="JpBPxme3" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=vos0tzDhELnTRqLSDlG37t1JXoKtfyXxlsfkTuEGczI=; b=JpBPxme3vwTZFywGzMAPTXOJdA tGN2nMsVji6n7YXRgNNXjeuHE7S6vHM617LTxlTy3OebUiZ3lrDTASszjjD+HvnVwQ7c4fUqrRFnj GpHB25J6JmMxNQeBKvvXAMB+T8nxAG+wSe8uLSfSojpw5zG+aIlKJl+YPoGdn/27w762hqJjhlox8 9S+RmB031FUdFz0/xq3ND8tfo3qb4ZoS9oqptrmKSb/AffEp8/wkp59NbWtMTtHBdSD6qHPGurmqv q92nkC711qqeHDxnBiB9t0Vg4qDfZVM2kfYiAF2FdUaiq/sZXu3gaPdu4o79BVbSF7++5HWr3vDcZ Pz3Wpm3A==; Received: from 2001-1c00-8d85-4b00-266e-96ff-fe07-7dcc.cable.dynamic.v6.ziggo.nl ([2001:1c00:8d85:4b00:266e:96ff:fe07:7dcc] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1wA3Fj-00000003P0H-1Epa; Tue, 07 Apr 2026 10:01:47 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id D99233005E5; Tue, 07 Apr 2026 12:01:46 +0200 (CEST) Date: Tue, 7 Apr 2026 12:01:46 +0200 From: Peter Zijlstra To: Thomas Gleixner Cc: LKML , Anna-Maria Behnsen , Frederic Weisbecker , Calvin Owens , Ingo Molnar , John Stultz , Stephen Boyd , Alexander Viro , Christian Brauner , Jan Kara , linux-fsdevel@vger.kernel.org, Sebastian Reichel , linux-pm@vger.kernel.org, Pablo Neira Ayuso , Florian Westphal , Phil Sutter , netfilter-devel@vger.kernel.org, coreteam@netfilter.org Subject: Re: [patch 06/12] posix-timers: Switch to hrtimer_start_expires_user() Message-ID: <20260407100146.GR2872@noisy.programming.kicks-ass.net> References: <20260407083219.478203185@kernel.org> <20260407083247.898494239@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260407083247.898494239@kernel.org> On Tue, Apr 07, 2026 at 10:54:43AM +0200, Thomas Gleixner wrote: > Switch the arm and rearm callbacks for hrtimer based posix timers over to > hrtimer_start_expires_user() so that already expired timers are not > queued. Hand the result back to the caller, which then queues the signal. > > Signed-off-by: Thomas Gleixner Acked-by: Peter Zijlstra (Intel)