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 9DE6E2F1FDE; Fri, 22 May 2026 18:29:56 +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=1779474597; cv=none; b=ly1dQlvLoc4y2WGpYv7OgZ/FRTW2tL0Guy2Nb1xhUpySF71RlcteC4UoTVG6yK80A5s4ayPot4SKXokWg7AHN9s51BcLUwM+lpmFIwCyims9xmjqqPEBkEegr2I57xZB7JSfbPEOdHlV5YrMfGn9i+5DPjn17ICG5X14FcpNi8E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779474597; c=relaxed/simple; bh=5/AhXF9kGVhULDok/+rh/JjfPACpT4ecZvgjeEKRBIk=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=GOeq2KdjlvbJ8c9pUdCNeyJ3wXFPDEUIuvn2gVR1yHlC7yMBeTzJWb6Lfw/TkaqJpCy2HMhzi3OQqt4Ho4R9diHNxdqSlYNl2Of9FQ15++dfQeQ+FxAljBD9CRfbLjzmOQjEvsL7HuJr718htowmRmhb7EpoPxENLd3a8J/XfZ0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YfIvkdJi; 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="YfIvkdJi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 406351F000E9; Fri, 22 May 2026 18:29:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779474596; bh=o8IBLuCs7YOJ3hdmxOMAExhPHKvXLTD+QeFBC0POzSQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=YfIvkdJi7cgsO3LpTKzl01+X3T1RD/v8HXscwZOe99Cy/0vW0rSevxv46G9+fylPX TVspgAhcerPGGr+LoM8c8tnd0WRnVdr90loef39n7lMg6xuikTObFs7VziqNKwWmfR X+Gc34lAYlT8/gWjgrtQPSr5vrgqu4MlYRNKw/UPJ/yb39642samKAzxPkwF8F519d PEGhu9XTCyyxBKo0ss5yEG0Jbmnz2/Y3TvgMTF2rE6LvnXfBuEZ+bAmhYINwX1Pr5Q 2JjvwlLGA2N0CKzudI4ToKoO6WxjOLK+beL2JQjY25PfvfGfOhF5K/F9AdTN1GANiV 6JJ3ftimjX3Fg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 93B683930FB9; Fri, 22 May 2026 18:30:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v2] vsock: keep poll shutdown state consistent From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177947460540.1324219.4145730624585924301.git-patchwork-notify@kernel.org> Date: Fri, 22 May 2026 18:30:05 +0000 References: <20260519165636.62542-1-ziyuzhang201@gmail.com> In-Reply-To: <20260519165636.62542-1-ziyuzhang201@gmail.com> To: Ziyu Zhang Cc: sgarzare@redhat.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, acking@vmware.com, georgezhang@vmware.com, dtor@vmware.com, kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, longli@microsoft.com, stefanha@redhat.com, mst@redhat.com, jasowang@redhat.com, xuanzhuo@linux.alibaba.com, eperezma@redhat.com, bryan-bt.tan@broadcom.com, vishnu.dasa@broadcom.com, bcm-kernel-feedback-list@broadcom.com, virtualization@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org, kvm@vger.kernel.org, baijiaju1990@gmail.com, r33s3n6@gmail.com, gality369@gmail.com, zhenghaoran154@gmail.com, hanguidong02@gmail.com, zzzccc427@gmail.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 20 May 2026 00:56:36 +0800 you wrote: > vsock_poll() reads vsk->peer_shutdown before taking the socket lock > to set EPOLLHUP and EPOLLRDHUP, then reads it again after taking > the lock to report EOF readability. A shutdown packet can update > peer_shutdown while poll is waiting for the lock, so one poll invocation > can report EOF readability without the corresponding HUP/RDHUP bits. > > For connectible sockets, take one peer_shutdown snapshot after > lock_sock() and use it for all peer-shutdown-derived poll bits. For > datagram sockets, which do not take lock_sock() in poll(), take one > lockless READ_ONCE() snapshot and pair it with WRITE_ONCE() on the > writer side. > > [...] Here is the summary with links: - [net,v2] vsock: keep poll shutdown state consistent https://git.kernel.org/netdev/net/c/aae9d8a5528b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html