From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.28 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792464677; b=F/D5Iqk5xJFQ8A1bq+S7C8TY5mXMpSmeQHXNviB4FPq5Aql9wMI4m4dzqCqsFyeu48J7 XshPQEDJQVNYSy0sKi/BNXJAaeAXzt8BHKgjC8w6tDzWs8BNOmWi86kRRCsntHrrAPaOX Uo6wht1XoAOYuy/9x/aecO1DAMLSuXU6x1xqG5fiNwXEWxDG5kO6i+p4LftKwDlrDV3Vn xLQrHuqugfXbe8n3EHSBzOj01d1fAH3GvGK7vdoV8771emqxyRPAcUoD+Awf0jCOLT5qK OK2yhodklRAsDJvdNiGgU+T+/oONWJD9+PU3lWbJfjN2yuYSfNQXHGrztME2ppVveAg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792464677; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:Message-ID:Date:MIME-Version:User-Agent: Subject:From:To:Cc:References:Content-Language:In-Reply-To: Content-Type:Content-Transfer-Encoding; bh=9hHNuq8VUc33E92tTq5jQ+KBZqXa+5yqvOaNMaHxjXk=; b=jOkM5XlVSS4qExtTQfM1qa1hEKsmw8NHpS/rrk74o/bysiehErjMACds4KfCE0bQmjke QNUzU/je4FmnDyTMmQaCpY854t2lLYRhHK4CHq9+ThPjOjYswQpVHyu+BB1PZoe7GlnOY MeKX0yrBN2XmloxBHBKwg+dz9ZTp++m4+35QhJ0hq8gY9Nw0ZFmHxLaytN60nlIO9i4m9 qOzoKp6lAymU1aAaXHuvwZ2/XmhsGa3YMxJj/9aViiXL+3HDVvTPyyIm9OXXmvDOUtm+2 mLbqLwE3zpYekP+JnLmdRlNfg+V+h4GUcZuu7L8eywdwm5zdYoBNDHRO3L21rzZolxw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b="Opp1I/1e"; arc=none smtp.remote-ip=95.215.58.28 Received: from mta1.migadu.com (out-28.mta1.migadu.com [95.215.58.28]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CBD6C606A319 for ; Tue, 20 Oct 2026 02:51:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org CBD6C606A319 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=Opp1I/1e X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=0LhUCCHbEICJb3ocD63LGJtcQVmKNGI1w3XPmkE83mg=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1792464673; v=1; x=1793069473; b=Opp1I/1evXffFl25B7tpnPy9Gm6fePTJZ0Tix1L9fiXdnBLs3V2Wteh+Q/NMn7TgLBLlsRix KMsEJFqx8nSIXInlpJB8PRA780msCNl3vuARlmF8jnKyMicB//W/oYDVT13lpRL8tVoD2E+bj5g oSaXjLns3Lxmp6YYGmovSSms= X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id bfee1020aa42ebdf; Tue, 20 Oct 2026 02:51:13 +0000 X-Mizu-Trace-ID: bfee1020aa42ebdf X-Migadu-Flow: FLOW_OUT Message-ID: <56d84287-3de3-4a57-a92f-ca63d6dcda96@linux.dev> Date: Tue, 20 Oct 2026 10:51:05 +0800 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/2] cgroup/cpuset: Fix partition updates using stale CPU masks From: Guopeng Zhang To: Waiman Long , Tejun Heo , Ridong Chen Cc: Johannes Weiner , =?UTF-8?Q?Michal_Koutn=C3=BD?= , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Guopeng Zhang References: <20261010075947.333549-1-guopeng.zhang@linux.dev> Content-Language: en-US In-Reply-To: <20261010075947.333549-1-guopeng.zhang@linux.dev> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Hello,Longman Could you take a look at this patch series when you have a chance? Thanks, Guopeng 在 2026/10/10 15:59, Guopeng Zhang 写道: > From: Guopeng Zhang > > These patches fix two cases where partition updates read stale configured > CPU masks: > > 1. Shrinking cpuset.cpus of a remote partition can leave a removed CPU > unavailable to the top cpuset. > 2. Updating cpuset.cpus.exclusive can leave an invalid local partition > unable to recover after the mask becomes valid. > > Move each configured mask update before partition_cpus_change(). > > Guopeng Zhang (2): > cgroup/cpuset: Fix cpuset.cpus update in a remote partition > cgroup/cpuset: Fix invalid local partition recovery > > kernel/cgroup/cpuset.c | 11 +++++++++-- > 1 file changed, 9 insertions(+), 2 deletions(-) >