From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 1203674409 for ; Mon, 15 Apr 2024 14:03:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713189817; cv=none; b=pgiQbQeG3fIkiOmIkd+FvlYQlzvwYDIWhZD2HlxxENMoU4t4xhgpJwGqlo/50d2fLJOmQERhpLe+8jNzFObAwWHMYa3tLRsrQFU/GKrABn7Dz2InRRsY/vWgyR1b7u8AMzNfGFJtbp/a9KWGArzxlMe8owkCkQMv5uK7bv/7mBE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713189817; c=relaxed/simple; bh=g0ktuNB51+uEoJJgeEEGfhAOyIfoyJZY+S70MJdNHgA=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=ZNTxEE8jaJRcWRWCdGdNG8om0+BS4zHnqfqWVyiNxpjnBUFuW9W9hpm1nCvobblsAX+CL7cL9gTS78xTxAV+3+RBxzHS9VFrcPMGeZfUsLBy6F6zhvh0wycazeQesCZhRZgAzDCVg4YQOAjoOCVkQaBEp9eeiJzgOC8h8+u7SMI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=SpL3xDJB; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=YUp/794V; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="SpL3xDJB"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="YUp/794V" From: Anna-Maria Behnsen DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1713189813; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=g0ktuNB51+uEoJJgeEEGfhAOyIfoyJZY+S70MJdNHgA=; b=SpL3xDJBsu/9Z2W+M++/WKg2/tYf5v8JyUbQUMS0ErDnhLUfuHWnLOA0ujB/s+9uKR6cVv OzY8JXgi5FppSLYiZjGuq2Qe1/bb5/kyjNrtVO7aQftTQVKAwx9bk1TXNHsZF3nTk2oNe1 v5zLlap+W3leHwcjK2UX8QFaOBaupWUNxK/0eNZ2RU6goZRrhgW2Onu5GAog34A4Kouc5K m4S4DrqFgio1GRJlVZ58Y7g/4LkIu4oY6Gz76ukJ3XO7a3optSUG/DO9nmBHdRqYYmY6J/ RM3OeT/sPBXNe3GYDdTP/P9vMwpOXeIreKGJSOphNNPB6P4MDJK2jH+bR4yVIQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1713189813; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=g0ktuNB51+uEoJJgeEEGfhAOyIfoyJZY+S70MJdNHgA=; b=YUp/794VwvIJvToEUGxZZd5ucgdFr3gCbJjsLOBLP4hhYD1X07gbOxRiJniVFgHSwoZIgd uRUa2q1mRVJxBoBg== To: Thomas Gleixner , LKML Cc: Frederic Weisbecker , John Stultz , Peter Zijlstra , Ingo Molnar , Stephen Boyd , Eric Biederman , Oleg Nesterov Subject: Re: [patch V2 13/50] posix-cpu-timers: Do not arm SIGEV_NONE timers In-Reply-To: <20240410165551.757677561@linutronix.de> References: <20240410164558.316665885@linutronix.de> <20240410165551.757677561@linutronix.de> Date: Mon, 15 Apr 2024 16:03:33 +0200 Message-ID: <87wmoy7mfe.fsf@somnus> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Thomas Gleixner writes: > 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. > Reviewed-by: Anna-Maria Behnsen