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 65B7B25F797; Tue, 8 Apr 2025 00:53:57 +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=1744073637; cv=none; b=EEJp4BRKmwvzwF96D/yjQMKvJaDA722adWGf+xTY/FXzifWVwAJ6kaZ51h3SUmAY4IArYUptdgcKOlbMTcdOV5jN8PH/FXe9sMa99bOfoPGbjwX+g4li5/lRJrusFCGAPuKb+R3yWYFUUbr4j1wuIj/clZQCFtA/FMXEupZ2mLw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744073637; c=relaxed/simple; bh=ZQmduZUjn0/G+1i2JlFG30rC2mteFzykTjg3UFX5bfE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=fXnJ9PF10MY28Mo81XMbHUa68HSO7pMT5HhnE3IOpmkDh2o/QWFNZgR6vp6Z9j6TpOnebaz3obU+cBpk6b5K+YLQV6yUm2Poe6/pCeWihipNELux5fwkkugNV5f2cFBPdctzTeMSHS+0vgaYOBijigsHhRBXZPgFmG8iqZ4L+Qw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dTOXRp8s; 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="dTOXRp8s" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 27579C4CEE8; Tue, 8 Apr 2025 00:53:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744073637; bh=ZQmduZUjn0/G+1i2JlFG30rC2mteFzykTjg3UFX5bfE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dTOXRp8sOHCxTcxuQ9pQGqVKnVDR27VEp0LPqsP4iq4SKCur6wjDMs5B/97EhAEwo R8Beoh3T8+TaUsMjQDTwKCUgPv49T5iOuQmczUbR3SZ9sTz/6Euc4Ifkn+n0TMtD8l WUUb32FB8Vz7rmQN1T5ssDsCMI5V3jGdT3d2VTqMxBPQCKDRJB6pibRqDT6YGGlDZ3 D64PxxS7dZaGkaEwru+FCGvpNdSs2rmDWLXCok2cMghQsWMnsAWNaVjL9OYAZfWJGt WEPiZGSNPGIdM8kJuqk11Fp4kCHSZpr/HzlB1eatfhzg6SZ/976A63Kks9z5ILhuOA ychd8WZTzfbsQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Oleg Nesterov , kernel test robot , Ingo Molnar , Sasha Levin , ojeda@kernel.org, aliceryhl@google.com, masahiroy@kernel.org, akpm@linux-foundation.org, tj@kernel.org, yoann.congal@smile.fr, mmaurer@google.com, jeffxu@chromium.org, roman.gushchin@linux.dev, chenridong@huawei.com, axboe@kernel.dk, jannh@google.com, mark.rutland@arm.com, brgerst@gmail.com, vincent.guittot@linaro.org Subject: [PATCH AUTOSEL 6.13 3/3] sched/isolation: Make CONFIG_CPU_ISOLATION depend on CONFIG_SMP Date: Mon, 7 Apr 2025 20:53:47 -0400 Message-Id: <20250408005347.3334681-3-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250408005347.3334681-1-sashal@kernel.org> References: <20250408005347.3334681-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.13.10 Content-Transfer-Encoding: 8bit From: Oleg Nesterov [ Upstream commit 975776841e689dd8ba36df9fa72ac3eca3c2957a ] kernel/sched/isolation.c obviously makes no sense without CONFIG_SMP, but the Kconfig entry we have right now: config CPU_ISOLATION bool "CPU isolation" depends on SMP || COMPILE_TEST allows the creation of pointless .config's which cause build failures. Reported-by: kernel test robot Signed-off-by: Oleg Nesterov Signed-off-by: Ingo Molnar Link: https://lore.kernel.org/r/20250330134955.GA7910@redhat.com Closes: https://lore.kernel.org/oe-kbuild-all/202503260646.lrUqD3j5-lkp@intel.com/ Signed-off-by: Sasha Levin --- init/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/init/Kconfig b/init/Kconfig index 4c88cb58c261c..4719516ee8b48 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -703,7 +703,7 @@ endmenu # "CPU/Task time and stats accounting" config CPU_ISOLATION bool "CPU isolation" - depends on SMP || COMPILE_TEST + depends on SMP default y help Make sure that CPUs running critical tasks are not disturbed by -- 2.39.5