From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793908710; b=5FGVVO77UUwYjInpphmqJy2wxW4/po7CBZlx16SOUgDds4ddh4YrMYEyHbfE7pkilHho lqadmQxShsucjxXp0B1s+k0N3tFyh80UwUYnFjFIfPbKXj+wwZiVm7Lssdq5bZ+0wCcws lkQGZzqPwUzQXQwgXqDPRSCVEQCbj++uaqjY8YAALeM8EoSMlgNeN+abLmTNOZFm3otBN 7pFphL9CNEqXRLyrvXKMhWT9q+ICXfJmtS4Birm7GPjB0GeIA4XJsRv0R1hwvS16YSP/M LrpwrmkoaqZM7KT6RY3IiqPiPxrpq3B4duMIekUVVMwPu+kClICq737SIlnox6bTeqA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793908710; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=qSNK1g0gSW8NugUx9zVEDY63C5++zrJDEhwhYFNbmMc=; b=I2FMxoBsZzLUjEAJO+hL56Ujqt7J6MKWyUix421zAqe+p5an+CScez2swAA2IyFroUQk rpiQFwdKgsY4bLphkc8Mv58vMthwUKTuEKSzGtShHBrEQm+uHZ7bhyTlA3afPCVovgGEy OqrgmrU7W2g7+NHUaXXtHXM0ICgaTHxWrtjmDna0zTJdnZVQGZAULiHtQ9WIP38jaaY8g QRSFCpnfFZB7Gc7g+qUwIw71e/z6bhhu4Flt25vttdXFDAKb5+LlJEXt0pu0NtdUf9W4S B4MpggZnNyryEzPKfcXfkbIxESZcF30VLewqorprMGvcr7iThm1JwliC4GVASRXeITA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=cUfhOJiZ; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A2E3606A6EE; Thu, 5 Nov 2026 19:58:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=cUfhOJiZ Received: by smtp.kernel.org (Postfix) with ESMTPSA id 252B71F0089F; Thu, 5 Nov 2026 19:58:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793908709; bh=qSNK1g0gSW8NugUx9zVEDY63C5++zrJDEhwhYFNbmMc=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=cUfhOJiZdWr6DDCQTnU/s93PJB4JOqbWSoZ17+yjyziH3vJoQR2wves1ua4+azPA4 9xnUL0g8bwEZO/6uFsybrC5mVZzodq4hJVZC9a+qjACBfuaBvEa1w4RSHE+p4rAIXi yR4xvliAgsfXOGdoZOMUuWbJi5VULyFuULx7vceAZqqhtyxLRa17ifJr6uZPDVOHat DXydvmoCU5SqPOOVKdhaY5XZ40FQu2UC1b9rBhrwM2sWt1WWBtJ9AGKxzZsqP410l/ 3YM2Bzq86iRR/+aFKabvgF/Pk22XU85bwHWRmCq4Gt2ERFvOGy9inAPLsEAMITZ/aL ZMBw/vQ9y307Q== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH RESEND v2 29/30] kernel/configs: let procfs copy out reads of /proc/config.gz Reply-To: sashiko-reviews@lists.linux.dev To: "Christian Brauner" Cc: "Linus Torvalds" , "Jann Horn" , "Josef Bacik" , "Chris Mason" , "Jeff Layton" , NeilBrown , "Eric Dumazet" , "Thomas Gleixner" , "Al Viro" , "Jonathan Corbet" , "Christoph Hellwig" , "Greg Kroah-Hartman" , "Joel Granados" , "Kees Cook" , "Jan Kara" , "Jan Kara" , linux-s390@vger.kernel.org, coreteam@netfilter.org, kexec@lists.infradead.org, linux-pci@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-usb@vger.kernel.org, samba-technical@lists.samba.org, linux-m68k@lists.linux-m68k.org, linux-serial@vger.kernel.org, "Takashi Iwai" , linux-ext4@vger.kernel.org, "Chuck Lever" , tytso@mit.edu, "Heiko Carstens" , "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" In-Reply-To: <20261104-work-procfs-fs-v2-29-319e0f9a8aae@kernel.org> References: <20261104-work-procfs-fs-v2-0-319e0f9a8aae@kernel.org> <20261104-work-procfs-fs-v2-29-319e0f9a8aae@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 05 Nov 2026 19:58:27 +0000 X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > Implement ->proc_read_buf() so procfs copies what is read to userspace > after it unpinned the entry. Unloading configs.ko then no longer waits > for a reader that faults on its buffer. /proc/config.gz asks for > PROC_ENTRY_FULL_READS so that reading all of it at once keeps working. >=20 > Signed-off-by: Christian Brauner (Amutable) Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261104-work-procf= s-fs-v2-0-319e0f9a8aae@kernel.org?part=3D29