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[139.178.88.99]) by mx.google.com with ESMTPS id p8-20020a170902bd0800b001d74bf99a3bsi6194771pls.575.2024.02.05.04.32.21 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 04:32:21 -0800 (PST) Received-SPF: pass (google.com: domain of linux-nfs+bounces-1783-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=hXEoNFdN; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-nfs+bounces-1783-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-nfs+bounces-1783-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 29B48282C6E for ; Mon, 5 Feb 2024 12:32:21 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 03CEF1BC2F; Mon, 5 Feb 2024 12:31:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hXEoNFdN" X-Original-To: linux-nfs@vger.kernel.org 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 C48CE2421C; Mon, 5 Feb 2024 12:31:07 +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=1707136267; cv=none; b=ZVVD0pi7UOhWHM/D4e3cNQXp9lViTxM3o1MbXC4+XnQO/08RynL/jpmK7vqu7vE8jd+0wWDeTKetCBLUZ70WTMXW/94jfgmVZEDgCImTrRzbd1ZBAehw9HqN+knOGniT/mtVF3MwDEmxL0FGbStTDbsbmGsvOYQKarygEH5gY/o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707136267; c=relaxed/simple; bh=AGGZrY3G4SIsXq5IpjdPkltQ3Iv5YmrxHHI5qXQcuyY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IK8+xD6cuxRHpTI1F8TXyauQlmNee37F+7AD5kcKBV1kIYGFFK/dkFSVuy1OZxWBNjAkcByaHhbXkglWpbK1BP0GKWWKE2pQgOs80Gtz25UgBPeOWXXna/bbzrdW7MnLc7ko/A89NGrqiIyA+H9wDswrnhMT6HRVQXDQ9XrIcvU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hXEoNFdN; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6840EC433C7; Mon, 5 Feb 2024 12:31:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1707136267; bh=AGGZrY3G4SIsXq5IpjdPkltQ3Iv5YmrxHHI5qXQcuyY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hXEoNFdNYmcOHWBeQ42HFlY4GEZM0jsDjvjCgFYdp5XnCSa0rl3EA+J5ylSq4NDUD WzkxWhee9ARc7ZvCqrPHS0HQLx40CdiJ6TNRG/cI4UA75G3ctwJbV8VVUn4uk4ey/5 CwmA6/s3y8e0ZBrFu/gyV7LDo5zH7MJx/ydJbOafz/VZ6cL2RgkA3LfsBcoPNnbRS0 jsy6dhsDCoHUdxQXgN1dWkQphy+kgbLZrNaZk7jB+w1SWOjd0w5Xlo9/LqapYD19vE JW26tv6sqCUHErIKyB7FHF9DmPOKsojeZWrT1w01EIBQewdCypPSCcEfOqgPmtZxL/ 0shYjFzzhhC8w== Date: Mon, 5 Feb 2024 13:31:02 +0100 From: Christian Brauner To: Al Viro Cc: linux-fsdevel@vger.kernel.org, Linus Torvalds , linux-ext4@vger.kernel.org, linux-nfs@vger.kernel.org, Miklos Szeredi , linux-cifs@vger.kernel.org Subject: Re: [PATCH 10/13] procfs: make freeing proc_fs_info rcu-delayed Message-ID: <20240205-felsbrocken-krisenfest-8590c6f6a2b6@brauner> References: <20240204021436.GH2087318@ZenIV> <20240204021739.1157830-1-viro@zeniv.linux.org.uk> <20240204021739.1157830-10-viro@zeniv.linux.org.uk> Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20240204021739.1157830-10-viro@zeniv.linux.org.uk> On Sun, Feb 04, 2024 at 02:17:36AM +0000, Al Viro wrote: > makes proc_pid_ns() safe from rcu pathwalk (put_pid_ns() > is still synchronous, but that's not a problem - it does > rcu-delay everything that needs to be) > > Signed-off-by: Al Viro > --- Reviewed-by: Christian Brauner