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 7394D4A3D2E; Mon, 31 Aug 2026 16:38:47 +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=1788194328; cv=none; b=sAeWhw0lcjzXwhDQ8mKKig3ja/P77lffRTp77dI3I0hfvQ5+CjvtTtS5M2DI8WVVnlYXv7Eekv/fEVGcFxaLBE5VTn0MrLWNHFuD1JSofybIqX5b8C7+/7rhK5suzaKiIqhfaCvuatadHrGM7NVfzi2iDj/SL6AIYLC+qOYIsQg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788194328; c=relaxed/simple; bh=xm6//aEn4Ue7Eo9Co+idMwGJobcjIiRszOOdKLRoysQ=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References; b=aQVDRaw+u/CT4o5U5BFoqZ/Cqk9b3ysXwH4seRO0AKXmd6Tf6tBX0pAn28PoJlmJ6f+bpiX0LFEubsluLqo+6klN+Nq8+vrLRHwFFC5XtvQ+nIT2gHsoDY7GUKB3zuGwVmdW84990CgyI25Rs5HnaEkIarjYorMmux9q/XM42J0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Y4+dpfdq; 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="Y4+dpfdq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1574C1F000E9; Mon, 31 Aug 2026 16:38:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788194327; bh=rwPiByk+/vb8pjTiOQ5IwK2OWNX45mjiX1uT9kmefPo=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=Y4+dpfdqX6Ialocao9UtxHy1yE4cKduBWMd4Ki7yR5XOmFrq+2DMtMSey+UeT/Bgr 6knA6nswwpgG14TyofqW77j7C80KAhlTEObn8KKU57FygIa+4CcLylPXLPt0NqAUg6 zac5kfhy4JCSm6hoBXPxM77PxvaCMmVeqV03dU+MhQdf2TWV/b5AjkcWyB+UbUnyYG 8CxX704bA6+CXxLxj/nYAsPcx3WfSN/FdfeE7BETfZMxEhk7cZpmzrsyu22E6EEYLK 9kXDZUtqklkfCMTygR8RWU9h/rBv/nndJ5EYxkhUeSAnxqLqiO6rA6yC2YlIu0Zb4B VphSuMW5q11xA== Date: Mon, 31 Aug 2026 06:38:46 -1000 Message-ID: From: Tejun Heo To: Etienne Perot Cc: Johannes Weiner , =?utf-8?q?Michal_Koutn=C3=BD?= , Shakeel Butt , Christian Brauner , Shuah Khan , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH 1/2] cgroup: fix spurious SIGKILL of CLONE_INTO_CGROUP children In-Reply-To: <20260828215252.4126811-1-eperot@google.com> References: <20260828215252.4126811-1-eperot@google.com> Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Hello, Applied 1-2 to cgroup/for-7.3-fixes with the comment above kill_seq updated as Shakeel suggested: --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -527,7 +527,10 @@ struct cgroup { int nr_threaded_children; /* # of live threaded child cgroups */ - /* sequence number for cgroup.kill, serialized by css_set_lock. */ + /* + * Sequence number for cgroup.kill. Incremented with both cgroup_mutex + * and css_set_lock held. Readers hold either one. + */ unsigned int kill_seq; struct kernfs_node *kn; /* cgroup kernfs entry */ Thanks. -- tejun