From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yx1-f45.google.com (mail-yx1-f45.google.com [74.125.224.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7A1D533EAE5 for ; Thu, 4 Dec 2025 12:39:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.224.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764851949; cv=none; b=sQDHUrBKccmcHR6QTFIQzUx0+nFev74/XmGIeOuVdHYnea5tv+nf9HGYWGFPiw0oicuObFW4Hl3uoIJ4J6zk5FvH+hJxOe8LHwh4oMzz87+oOepnKxl09EGpUZRe7beNiXigYhEdKtdhESbIh6pcJ5jRdg76tRTs9Nt+zvYPU7Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764851949; c=relaxed/simple; bh=ij8EL0R6UwB8ZDBVRFMV/z/L2JKiW7wDSAk4ODpKtjs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=I05jW25TfcXLKinc7RB7OETOKJWo4FsR1e6LSuJdtZzuLZu4XS6b7D52UPParpW5Q0ga24eNSa7MLXkr5feowf8+JtMGand+tu+5jKH26MkkqfQiZF9nNUi8G7Kud+t6qN5dW7Z3+142LGw2zwP309lIsBHwtErjFupKgcOU5+g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=HsrNw45S; arc=none smtp.client-ip=74.125.224.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="HsrNw45S" Received: by mail-yx1-f45.google.com with SMTP id 956f58d0204a3-642fcb38f35so685581d50.1 for ; Thu, 04 Dec 2025 04:39:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1764851946; x=1765456746; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ij8EL0R6UwB8ZDBVRFMV/z/L2JKiW7wDSAk4ODpKtjs=; b=HsrNw45Sw0qZhJpdlG/WgjH3nlhIEkm4EdpLNBUykie9ug5/9q1aG+EeLU1bc02nPm UUnXoFh601CHrbCpbStdpXOf05pyoBCWDH6ZTSXL8c2GpO7HhfpSfARkqY4JIp9biDRT vXJIOWL+UiwXR1H30L26SUeflgcBWUIrq7O7yyp4aATGa4XRwgnrgPDkqHs0ZpreNd5V lrjyjh5Etk6qNfx6sKk35SWiaTe3rMa12Is0CUBafm+EVb67M/LRBMFg+z17zwK1ucUk WXuTyC03Lvidk+CMPHud+2ANe7LjLj8rYyagl3TFQ+4wi5oQaMF/tDPKSm5EbweUzY9w BRQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764851946; x=1765456746; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=ij8EL0R6UwB8ZDBVRFMV/z/L2JKiW7wDSAk4ODpKtjs=; b=pIRi2ej8VmH3Yvd8rc1UM+4Y7b7YeTDxlKFSnwTCaOZA2HF+m5hicDfBlJWsKJsV6y JnWBnrw7na1tDg/4qTCTiMlJviSOwto1yf1s1mw/eAUkGd5NYTbPlr7T7TiPjvof+WKT E75L8eBO3FpceVh9C2nG6m0clV7L/+3dqDUmm13AiyUBnGJr19FFzU7/dVugUqkgb4FD 0hz63vLfjwjYPTOK4UJfMu4ZdBXEwSrW6R4e1DmEw7UE5Yay5hzwyKcF2sM97Gz0d+/H m+plpkCjWeDCMAU0on2tk370q6c9lTv1xv/7D+2gSo1XN88fwz/vlwbABILu3/nzp0wz i0xg== X-Forwarded-Encrypted: i=1; AJvYcCUgH5PZd8MWNUkA/hy5DkA2kJa8UIDqETzzn/UxFpIffOoh8rAyRUziYuadHA5ZfvWg6+c=@vger.kernel.org X-Gm-Message-State: AOJu0YxsYd1LwmbhKFjtkdIiR0zBF1u4m+c24JlI+ICZV98AAuJeWIAo LBNFCHC2cdrcMJAW1PrkER1KF+3ugM1STWnX3ieRVpShk3l8Di+F6ZSv X-Gm-Gg: ASbGncuwPrs1Acfgr0KB0Ex+jf+tfnZw25gmXZg8VbHQrCvaVARWLb7TXFIMS3YrO99 f/1xu34I8CYtmFtIrA4vqq/Kmt5bDVDvreeDb6GlZYad+GbfgPCFHDdYy3YyMSxhUOUK/LUWYnC 2eLwNMzBwC8Qu2dmNf50ZBk+VygzMFQG0WoJ6H4uYJBFRocGYvzQ3TWulzreHK04YZ4LVW3lf2J 05TdbO/whpTMYurFLiHmGBJhl0Wi/JsHot4CdyV3pqMmUKGzJK1oZEB3kORV4bI+rhhnrt3uj6h YXx/Jn17u6R5paYOPWICfkvQ54ebUCewe91sVKffogTD3yudkQQ0j1lN9Mi2DUtJosjHZCnC7fK YaviNPJZ8kvVEpkqucoaP/noiEvrNbV95Tyv7UwK5g5MGL1bstcNYZtL1n3QNxrXTTaOMcU8xdQ lZ5ixHP7z5c6Ot7rHB2Yg6kdoSQsx83+NnazKV1hr1yhPjomjFFsY= X-Google-Smtp-Source: AGHT+IGxKuUtlyaX8PN+PqMbMQ7N09I5gYeGDl8pe/k/jby/JuQK+UYr3WKkNen2o5yTwoJekvFxYg== X-Received: by 2002:a05:690e:1908:b0:63f:b0ca:dc9e with SMTP id 956f58d0204a3-64436f6bea5mr4880835d50.10.1764851946376; Thu, 04 Dec 2025 04:39:06 -0800 (PST) Received: from localhost.localdomain (45.62.117.175.16clouds.com. [45.62.117.175]) by smtp.gmail.com with ESMTPSA id 00721157ae682-78c1b78e892sm4766667b3.44.2025.12.04.04.39.01 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 04 Dec 2025 04:39:06 -0800 (PST) From: Shuran Liu To: song@kernel.org, mattbobrowski@google.com, bpf@vger.kernel.org Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, dxu@dxuuu.xyz, linux-kselftest@vger.kernel.org, shuah@kernel.org, electronlsr@gmail.com Subject: Re: [PATCH bpf v4 2/2] selftests/bpf: add regression test for bpf_d_path() Date: Thu, 4 Dec 2025 20:38:52 +0800 Message-ID: <20251204123853.1235-1-electronlsr@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251204074632.8562-3-electronlsr@gmail.com> References: <20251204074632.8562-3-electronlsr@gmail.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Hi, I looked into the CI failure and it’s caused by the test assuming /tmp is on tmpfs, which is not true in the CI environment, so fallocate() fails there. Since /dev/shm is mounted as tmpfs on that setup, would it be acceptable to change the test to use a file under /dev/shm instead of /tmp?