From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8BFF92848A1 for ; Wed, 24 Jun 2026 09:37:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782293844; cv=none; b=IPb0XJKDJ7AEQt7xXOeimoO+iyI4n9Io0iC8enO9UyWYcx5l6bBJ/lb4AMx2m+WA/D4xubkSG1QUu+h+Rww1qhY7M2xr0yqraIo1Mf0UByvNGoZv71Vv8InZsy3lnMpjwXjc6VaIDzcSGDH9zQEm3GCqfnQN2rOqKS/SfCbzriU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782293844; c=relaxed/simple; bh=1cqTBdcnChw8QnoeTxO6pHgP5ZdYyoFcPJLg3SKwsWw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jePLFrtLI+Y69zHFOQqQ7pgdZQfM0x7LP2ZMfO7RYHWKfL9+15LRzdbTn183OdME4YGJIkcUo04s9Kg3wTCqNzCb9JI6lXhKWS37QRsmG9creTFQ2vF7KSuakC6k6OrPKA4/rZz/11oK9DB+0d6AJDCh+2OSGqPzaRmMlW2krMM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=h8R8Z9jL; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="h8R8Z9jL" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8FE842944; Wed, 24 Jun 2026 02:37:12 -0700 (PDT) Received: from e129823.arm.com (e129823.arm.com [10.2.213.3]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id AAFEB3F632; Wed, 24 Jun 2026 02:37:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1782293837; bh=1cqTBdcnChw8QnoeTxO6pHgP5ZdYyoFcPJLg3SKwsWw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=h8R8Z9jLg6U+gI89CL20iOYcQ4YrIl1lVhKH5zVgl2OLlQvpZrEobcT1HptU+7/bm okNAaryVuY3J+cbSDfMWLIiPlZRxqg3OI3ASdqJCK0Bxr75cKMmEIzriYn8YdSAPAu BYkdSmALk16mjhEatgu5Dbg0oFiPnxza895bdxvY= Date: Wed, 24 Jun 2026 10:37:12 +0100 From: Yeoreum Yun To: Wentao Guan Cc: iklatzco@gmail.com, gregkh@linuxfoundation.org, 00107082@163.com, patches@lists.linux.dev, peterz@infradead.org, sashal@kernel.org, stable@vger.kernel.org Subject: Re: perf: Fix dangling cgroup pointer in cpuctx Message-ID: References: <20260616145120.525872058@linuxfoundation.org> <20260624080310.2502480-1-guanwentao@uniontech.com> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260624080310.2502480-1-guanwentao@uniontech.com> Hi, > Hello, > > I noticed your backport missed - 'event->pending_disable = 1;', > which different than upstream version, is that true? > Yes. I think it was missed otherwise for the DEAD event, it would have the middle OFF state. -- Sincerely, Yeoreum Yun