From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9FCD5606B053 for ; Thu, 5 Nov 2026 20:00:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=LUCo+bjp; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=cUfhOJiZ DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Date: Content-Transfer-Encoding:Content-Type:References:In-Reply-To:Cc:To:Subject: From:Message-ID:MIME-Version:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=qSNK1g0gSW8NugUx9zVEDY63C5++zrJDEhwhYFNbmMc=; b=LUCo+bjpUxL5ynasxaE99IUi8x KcaSgVJMw5ioT9hggLgQYknWCXa0yvKZm65by9/c9AgLdVfYBhdLl28b+hajMMC2JT5nrxEOrBzTV Y+7u41FnQE1J6UoAkr0fX1xeumMJiN0fhqV56Ulj97MdxudxcLTZHWeoDqJhFtqWPQgZVKH14cw7p Pdc/wfthmIkuVTwunrbwO7mOr+bcLsh+wfiyasAuTKtM6KbvLAHdJddhLSCEaUszglOzz8dCIA7aN F+3flW4gHEChTc1ZDExEw9W0qLg1NSHwSao28DwEE3dn0T5/H0eU2cjbqNWZrOE6uipLvkjSrdicg eao0/QAA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xP3d1-0000000ATii-0tQN; Thu, 05 Nov 2026 20:00:07 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xP3bS-0000000ASv2-2BPm for kexec@lists.infradead.org; Thu, 05 Nov 2026 19:58:32 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id F3E3F605E7; Thu, 5 Nov 2026 19:58:29 +0000 (UTC) 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 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-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev Sender: "kexec" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 X-Archived-By: > 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