From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 3E35A20E6; Sun, 30 Mar 2025 23:19:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743376798; cv=none; b=urUVUObh/cw4bHu88tawgNwvoAjFXEjsLodhbi12AZRv1jldwRwv8e6+bVYTOnvoETYExt5iyR+sah8jDiHmJKFU79kjtsoqZoakTLn9KE/nKzGXoN++OldjYoNHrwmmy7v9IXThu1mWOujBH/hZImIaWstU/3aXvE8xbqT2/aM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743376798; c=relaxed/simple; bh=BtYLq95+loFF2wAwBtrJXi2RCQy7Vj59Jd2Eh1mWJJo=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=sWgJOebqxR1wKdCwsOdcao27lno9NfSEBLItTslEueNi2QysYjvmzW2PFIHqIvK0RaB2ywg2bRTU1tf0O0ZPSNyA8L9WuMXkx+ujC68q7DQ+DgoUotJkkislEDsvYu4VyloGXb078aw6+sTv2zrWg3bY/eN/ofYiP/567OZmt8g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KJBk8GE2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KJBk8GE2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A1842C4CEDD; Sun, 30 Mar 2025 23:19:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743376797; bh=BtYLq95+loFF2wAwBtrJXi2RCQy7Vj59Jd2Eh1mWJJo=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=KJBk8GE2+/BXwguvXiwN/v8lYfT2ywtP7S+D/rOy4oW4YmwqhwtwfoMPPqwbMeOHR +3rhdec6+raiJLjO+jiLE+oI9YhtTRVF7XCDjMFVwnFP+XNQnlEN80l3hzklr3n1VY ieLFExOUrQ0iZj6alEq+i4er5a2f+Xv2CSsq9m8Moey4HZUBxUn6b85oEhzOixm23B WCLLsN17tNS0wqdYCcgnEbDSZZYETPsw/hqAV3woEYpkROhTircZ2gS4J8vhI1P/HN U65j1smzvkah3I8P1jzJpVLhDk04l6/WuwmgbSv8Zd34fjUL4CHqdpW9hMlKUJJlJY gi5KfHWumfPfQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 70E26380AA7A; Sun, 30 Mar 2025 23:20:35 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next] selftests/bpf: Fix tests after change in struct file From: patchwork-bot+netdevbpf@kernel.org Message-Id: <174337683428.3617599.346257026297188434.git-patchwork-notify@kernel.org> Date: Sun, 30 Mar 2025 23:20:34 +0000 References: <20250327185528.1740787-1-song@kernel.org> In-Reply-To: <20250327185528.1740787-1-song@kernel.org> To: Song Liu Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, kernel-team@meta.com, kuba@kernel.org Hello: This patch was applied to bpf/bpf.git (master) by Alexei Starovoitov : On Thu, 27 Mar 2025 11:55:28 -0700 you wrote: > Change in struct file [1] moves f_ref to the 3rd cache line. This makes > deferencing file pointer as a 8-byte variable invalid, because > btf_struct_walk() will walk into f_lock, which is 4-byte long. > > Fix the selftests to deference the file pointer as a 4-byte variable. > > [1] commit e249056c91a2 ("fs: place f_ref to 3rd cache line in struct > file to resolve false sharing") > Reported-by: Jakub Kicinski > Signed-off-by: Song Liu > > [...] Here is the summary with links: - [bpf-next] selftests/bpf: Fix tests after change in struct file https://git.kernel.org/bpf/bpf/c/bd06a13f44e1 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html