From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 E434918307B for ; Sun, 23 Jun 2024 21:04:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719176650; cv=none; b=CZIai0xWGnHeroiA17WUQrkjla8rVI99xg9TpvyXEbXtVwRvnXbUcPt1PwPRXEUTF/rlxTOJomrg0dR/8rS3skttmypV+Jq3DMgHQZbSE4L0jMVzcLSbSiRTHeHO7+u2XS1KEm6EHymt4y3aOxYlX6ga3bfr9cY3QaO97uaGVfI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719176650; c=relaxed/simple; bh=yFNf4vns4BOm6RZJ6vJ+2rPtWpv1qS8CSRlZdpmW4Ug=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DmmsCOArFrHCe8S+tnzN3Ij+HgJ/OH5QHGN0cR3NGVKfOcT8shiB2GDj4zNZmNy5V3V+gmOSPf7ciZuxXWe6deget7BPX4ISst3ry2294hzAM+vXwbrKMvMKMBokphWCi5ZLbv1AkDHMZbl0AsKoA6tKJKNnOU5hLGBCwI5JE1w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FsfStvg5; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="FsfStvg5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 35F59C2BD10; Sun, 23 Jun 2024 21:04:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719176649; bh=yFNf4vns4BOm6RZJ6vJ+2rPtWpv1qS8CSRlZdpmW4Ug=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=FsfStvg55cfcG5hLKAUxRdMm+b2XNGpBZwaN34x4X+IEM1D5Rgx6N8mDj4itmKIYK 51NlnwpiSzobDRlKYTFy3O1bEsa7dKN4KHEHo011kpb4fXGrAgcNr4+fjiL1LcywKa tiZOVQfmfEwVUcccFfr1HefUZCt8CUcAoCH3pnKMTHtN66tl+o50kBTbHZYjzoe5No jQM02Me+/xqfuv1zhZ9MditCiQCd2MoBE6/kSip67xaHlKjPDU8QCnYlSSdUo/EQrd +hRwPBD/7fRSRFeTPwN1d9+hNqxNvmJd0uNNxfh1EEe/ML4kVg0zc7aUQBq4hrE9xL lAPJFw0oTsSOA== Date: Sun, 23 Jun 2024 23:04:06 +0200 From: Frederic Weisbecker To: Thomas Gleixner Cc: LKML , Anna-Maria Behnsen , John Stultz , Peter Zijlstra , Ingo Molnar , Stephen Boyd , Eric Biederman , Oleg Nesterov Subject: Re: [patch V3 13/51] posix-cpu-timers: Do not arm SIGEV_NONE timers Message-ID: References: <20240610163452.591699700@linutronix.de> <20240610164026.299017301@linutronix.de> 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=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240610164026.299017301@linutronix.de> Le Mon, Jun 10, 2024 at 06:42:21PM +0200, Thomas Gleixner a écrit : > There is no point in arming SIGEV_NONE timers as they never deliver a > signal. timer_gettime() is handling the expiry time correctly and that's > all SIGEV_NONE timers care about. > > Prevent arming them and remove the expiry handler code which just disarms > them. > > Signed-off-by: Thomas Gleixner Reviewed-by: Frederic Weisbecker