From nobody Tue Oct 7 10:30:57 2025 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 2936227F749; Thu, 10 Jul 2025 12:46:37 +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=1752151600; cv=none; b=hnWKgGNB7e8ekhJ/xN4ZJoKsquJ0Es2aHV+zKfpD7rlanQmXXCoDhcJ6mGBufrvZWkKXv0wV1rjLxP8Wjc5Qf5S7EZHPMmllzEAEFXoNvUxnUrB9d9x43sWdYAlDvpiT1eWmcqedosiy4TJ96EPg9RG16BZ7Vu4w6or2bKOfyN8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752151600; c=relaxed/simple; bh=zif47Pn6sH2KyXbV7CiGiPXij+tFz0RcGLQfcF7u24Q=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=SEc5IJc0TgTzTZJnKonjnC3oIf56xoDZnhQHY4U7HyMk7Vnog6mdbJB7jlcEIQhFu5ecHeDoy+Fc+1gdXUKD7X/eQ1fAqX/DilVTgPfMQU4Y8BuztvuMC/Y+SkmKhumfkSLFHQSieO4Gi9U/zujnGKQhAKdHgAOADBN/i9FLnes= 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=j//CGCzS; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=LAECRqwF; 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="j//CGCzS"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="LAECRqwF" Date: Thu, 10 Jul 2025 12:46:35 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1752151596; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7KGZbylvutMLQXvGgnsKV5Bka4av9rjsp2bWRrj1VeY=; b=j//CGCzSGQw51Dd1ljyo1ZNAGxw59FCFhs7DgOZKGsUORVlH3kB3J19O5SwUkrqeurRiRl bE5EfX1efISK7YXqc1huV3ZYMA727IVUba55KIP18QvxdiDl83oJZGFPe1QuwMZbKtqr3N u5+DjIBw0A49xnNpyQ54d+Jf9uBfjltCEMFJrE69kzePxNsXh2KoAXRvh1P1MlBRyaZVl8 shdGfGg6U4BX32/ChO5SdCdR4P+FJo3XdvgDOfLUUZ0efDu3BrGPxWzWxxLKhmCPe+4dYH Ie6w3s0XY/0cpfLJqBqtXOae4og2a0hUAaVCy6482gmQB/Z0mctNoX0gLzuNRw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1752151596; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7KGZbylvutMLQXvGgnsKV5Bka4av9rjsp2bWRrj1VeY=; b=LAECRqwFt86+JgW/oOS8QaeP6htF/TeF9Txz1AsuDJ29UizWamNpNeb3kgdXfS2si7/h9B JRwIJ9ln4l39lSBw== From: "tip-bot2 for Vincent Guittot" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: sched/core] sched/fair: Use protect_slice() instead of direct comparison Cc: Vincent Guittot , "Peter Zijlstra (Intel)" , "Dhaval Giani (AMD)" , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20250708165630.1948751-2-vincent.guittot@linaro.org> References: <20250708165630.1948751-2-vincent.guittot@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <175215159543.406.15190067202942866809.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The following commit has been merged into the sched/core branch of tip: Commit-ID: 9cdb4fe20cd239c848b5c3f5753d83a9443ba329 Gitweb: https://git.kernel.org/tip/9cdb4fe20cd239c848b5c3f5753d83a94= 43ba329 Author: Vincent Guittot AuthorDate: Tue, 08 Jul 2025 18:56:25 +02:00 Committer: Peter Zijlstra CommitterDate: Wed, 09 Jul 2025 13:40:22 +02:00 sched/fair: Use protect_slice() instead of direct comparison Replace the test by the relevant protect_slice() function. Signed-off-by: Vincent Guittot Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Dhaval Giani (AMD) Link: https://lkml.kernel.org/r/20250708165630.1948751-2-vincent.guittot@li= naro.org --- kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index a1350c5..43fe5c8 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -1161,7 +1161,7 @@ static inline bool did_preempt_short(struct cfs_rq *c= fs_rq, struct sched_entity=20 if (!sched_feat(PREEMPT_SHORT)) return false; =20 - if (curr->vlag =3D=3D curr->deadline) + if (protect_slice(curr)) return false; =20 return !entity_eligible(cfs_rq, curr);