From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 CAE1A3DA5B7 for ; Mon, 19 Oct 2026 13:29:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792416559; cv=none; b=ndfKFdBuS3XVFxdy78g9BilOEzqM6COHzsfBtWeibAACaOVhFrSf64TciqtUrNc2ar5gw5e++az13A6hIibsOzLF9wWhtHAEIQ7AN1XrKHSvVq0wQuC7lHsdkQpIPRajtCyVokbv+ONaEQX+VkKuPmgRoUqPQfxJ0RZzgJ5svuw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792416559; c=relaxed/simple; bh=cB0GlJS3AKx50361xN516y4fHxDgdIqtRfj6BnSoJfA=; h=Message-ID:From:Subject:To:Cc:In-Reply-To:References:Content-Type: Date; b=oxb6TgTgahHFKWjkTywb0WH5RDaPJCwf/Op5UWTFBmgL/BVSAWFklJ9QZg6VaddngCyd306nvmrRg0yBm2XMuln1D3wVck78o3A0paUHOmPwnEu7qVwgTQJVw6QLWOApjyJ4DlvZmmA13xbjingt81ley9+TUEHPqqYZiYgDN+c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CPswSjuA; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CPswSjuA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B41D1F000C4; Mon, 19 Oct 2026 13:29:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792416558; bh=cB0GlJS3AKx50361xN516y4fHxDgdIqtRfj6BnSoJfA=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=CPswSjuAdE9CUFR4QnTFyYtJxH8OjINaAp7MtHEVUPa0yJP/2WL7bb5Jqb74VXSyp TIkwDCP52t8NUcqSqg2iyLRU0KQ3FMihF6OR+JvT2XxUd9vB8ZRo1eDXd0Lj1iFCc+ cO5LZ4Ounv0Dwrlznub4gNiH4ObmoHx7vMnuRdF4qY4KRpJVq5sE4/DzfhA2iR/t1g 4I2RZDZNfi1SmX2C2DjANywLeAlHYjxbyX3UODDoWsjbH2+pxM/V/CYL8k181sATCv 5nHMLN5YnhCXOuDEGszV361p7ck5VXtkFDwcC3u97qrPlKGr/q3qUc4riCglL77gpL 2YstkY4dHk9vA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [RFC PATCH 16/49] cpu: Move CPUHP_AP_PERF_XTENSA_STARTING post stop_machine() Reply-To: sashiko-reviews@lists.linux.dev To: "Frederic Weisbecker" Cc: linux-perf-users@vger.kernel.org In-Reply-To: <20261019130856.49711-17-frederic@kernel.org> References: <20261019130856.49711-1-frederic@kernel.org> <20261019130856.49711-17-frederic@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 19 Oct 2026 13:29:18 +0000 Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > Between CPUHP_TEARDOWN_CPU and CPUHP_AP_OFFLINE, stop_machine executes > all the teardown callbacks while stopping all CPUs in the system. This > doesn't mix-up well with running RT or isolated tasks. >=20 > In order to transition smoothly from global stop_machine to finer > grained synchronization between teardown callbacks and the other CPUs, > a new stop machine post function has been introduced to be executed > after the main one with IRQs still disabled while other CPUs can exit > stop_machine(). >=20 > This state doesn't have a teardown callback. >=20 > Move it to post stop_machine() accordingly. >=20 > Signed-off-by: Frederic Weisbecker Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261019130856.4971= 1-1-frederic@kernel.org?part=3D16