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 5E06526FA53 for ; Wed, 28 May 2025 08:11:31 +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=1748419891; cv=none; b=DVkJRMMLjMZOlYhuMLPJLsYlfcjYwUNkPyimzxBcMRM85sOBTBfNqqMuliCb76cHJ7qiqiuEVFLyNzp1toyNAc/Lh+f0dJjKntohMlAESf2gzsamnZlaFOReUaPJMlCFVqQkQJzQyppWMP6gWzbCJ2HBhCGGKgcLKOltzjD9fS0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748419891; c=relaxed/simple; bh=phChXyA4Hfddq3zV4Apy/8kpLlEUlQ4HQMTQhYZya1k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Y+lHayNeXby0Xs3bpzu60iLo/xnd+3e/t0TVBrY8ubxGQvmLAMI2Q5C4NgYsX7UyluHJiLj90hxdwuJudEp5V4f3XUfiX3hGSNpAyWsmzwKKZjCVgGglZjE88q0JS0tLlgHpXikLH3AoVYpGOPK2qSgs9ZDn2Ti7CEilQ9uKRJ4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kqdDz1v9; 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="kqdDz1v9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF529C4CEEF; Wed, 28 May 2025 08:11:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1748419890; bh=phChXyA4Hfddq3zV4Apy/8kpLlEUlQ4HQMTQhYZya1k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kqdDz1v9R9JjWG3vnw4LSoJ6MR3dTElF9hThkHn3dLSJECidLQT2EiTgYNS7rTx2f FRhY1b7fJNGiwbjoneLD5HrIlhEDYORMdS3k/N+PF3VdYuZm470yXVkIUsBjDY7qPS zA/q+ruZe8jWrUvmg+4bPG7UYU96BUGcrKb4rPsC4efHIq7im3axzIX/okMXU+TuUv 0y/oHPRgE+wFWqTAO+rv1dbLs4qKdGNYxWLLjhnzwJVTeReQy3ONnp4hvguu/Pqc5G QXSFp7sJomq1/PkeHszJJTIVMYhs14OHkwO1Dgt7XeJd8VPECBzjbaOKjD6z/WJFvV 8evWcIOHmUI/w== From: Ingo Molnar To: linux-kernel@vger.kernel.org Cc: Dietmar Eggemann , Linus Torvalds , Peter Zijlstra , Shrikanth Hegde , Thomas Gleixner , Valentin Schneider , Steven Rostedt , Mel Gorman , Vincent Guittot , Sebastian Andrzej Siewior , Ingo Molnar , Juri Lelli Subject: [PATCH 29/43] sched/smp: Use the SMP version of the deadline scheduling class Date: Wed, 28 May 2025 10:09:10 +0200 Message-ID: <20250528080924.2273858-30-mingo@kernel.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250528080924.2273858-1-mingo@kernel.org> References: <20250528080924.2273858-1-mingo@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Simplify the scheduler by making formerly SMP-only primitives and data structures unconditional. Signed-off-by: Ingo Molnar Cc: Dietmar Eggemann Cc: Juri Lelli Cc: Linus Torvalds Cc: Mel Gorman Cc: Peter Zijlstra Cc: Shrikanth Hegde Cc: Steven Rostedt Cc: Valentin Schneider Cc: Vincent Guittot --- kernel/sched/deadline.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 80dd95419eac..c36813af9bb3 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -3001,7 +3001,6 @@ static void prio_changed_dl(struct rq *rq, struct task_struct *p, if (!task_on_rq_queued(p)) return; -#ifdef CONFIG_SMP /* * This might be too much, but unfortunately * we don't have the old deadline value, and @@ -3030,13 +3029,6 @@ static void prio_changed_dl(struct rq *rq, struct task_struct *p, dl_time_before(p->dl.deadline, rq->curr->dl.deadline)) resched_curr(rq); } -#else /* !CONFIG_SMP: */ - /* - * We don't know if p has a earlier or later deadline, so let's blindly - * set a (maybe not needed) rescheduling point. - */ - resched_curr(rq); -#endif /* !CONFIG_SMP */ } #ifdef CONFIG_SCHED_CORE -- 2.45.2