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 576D02D94A4 for ; Thu, 29 Jan 2026 14:59:20 +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=1769698760; cv=none; b=hpNnU1qtJX0FcYJ/uteAFjw7DT3g5rnf45ZfEWcZvH3BG3P2cUFlHK0A2xyuUfhzHImJhMoearjuvfCGpwzNsGPL0dim3P1wMC8pvjv2OSii/3O27KnayRQV0JrUMfyRlD4WVwCQ2NsYk8btvI6QmTh13ZNzJRdFEUjaW8Od5U8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769698760; c=relaxed/simple; bh=7+6V+IPjtcrxTlgYOfyd7KiqyIJNUjN+lR1to3ToqwM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ulxYdizwpz2oh4ZSI6lb2E7yQN2l1C3TBxAvNTAqIVq07uaAFylzY8e8EAqw7hkqszDJX7rzG5eHrHanDtnN7iFONJYgoVDXLxgrUnN/juC1Sf6DdH3d9P5mSG/6D7EnwiJZx7/xK9RP9l6JeuK/5O+ByaPdo4jtwPjuOKXqwbk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MCbZLfbK; 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="MCbZLfbK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C2E5C19422; Thu, 29 Jan 2026 14:59:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769698759; bh=7+6V+IPjtcrxTlgYOfyd7KiqyIJNUjN+lR1to3ToqwM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MCbZLfbKuidsFA0qn7ATkbC7wKl/TOZQXloTewDbzPw0bKTD6DOzI6tblE8nsPm4s VNherYRf8vPM3980AyMtFKMJRGQ1+KQj2z4s88MMc8H9ML/UbJD7x+YSsbMgVfS+vB kpmaZm9F9cWXgruDoLjP1sgGxiq71NDfCBOdVLSx77QCghaxW8nanjvEB/+zU3ZYiM aB5H5RuPrZ8YdyNxae7CgY+JLs8i4YOg3PXLfSs9XZq/5HMNN3qIdWkIo+yS3HJpFi jcqG7BmAUfaW2Byi7JW6/QoAPSTnZpkox8xiTmI4gIJ8ONsK+Lu2S8bv1/g5GV4SVi VjgMD8RskILRQ== From: Christian Brauner To: Oleg Nesterov Cc: Christian Brauner , gaoxiang17 , Mateusz Guzik , linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] Revert "pid: make __task_pid_nr_ns(ns => NULL) safe for zombie callers" Date: Thu, 29 Jan 2026 15:59:14 +0100 Message-ID: <20260129-gefroren-oasen-318fb2e0813e@brauner> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251015123550.GA9447@redhat.com> References: <20251015123550.GA9447@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Developer-Signature: v=1; a=openpgp-sha256; l=1288; i=brauner@kernel.org; h=from:subject:message-id; bh=7+6V+IPjtcrxTlgYOfyd7KiqyIJNUjN+lR1to3ToqwM=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWRWlx6un6Hy8M96sVNRaSIfDYxyBWNCVXx19JMmLT0v/ DvEWjy+o5SFQYyLQVZMkcWh3SRcbjlPxWajTA2YOaxMIEMYuDgFYCLRixn+WS+vfZtmte57q/1D q976wK5IM+P9Rs33DbLt3sdvTPRuYmTYvbU5I2GJ9ce3Uxvr/vI5yG/U85rLPoej8iZ72AaBvJs 8AA== X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Content-Transfer-Encoding: 8bit On Wed, 15 Oct 2025 14:35:50 +0200, Oleg Nesterov wrote: > Christian, > > I was going to revert 006568ab4c5c ("pid: Add a judgment for ns null in pid_nr_ns") > but then I changed my mind and decided to revert my commit abdfd4948e45 (""pid: make > __task_pid_nr_ns(ns => NULL) safe for zombie callers"). See the changelog. > > 2/2 is offtopic and purely cosmetic. > > [...] Applied to the kernel-7.0.misc branch of the vfs/vfs.git tree. Patches in the kernel-7.0.misc branch should appear in linux-next soon. Please report any outstanding bugs that were missed during review in a new review to the original patch series allowing us to drop it. It's encouraged to provide Acked-bys and Reviewed-bys even though the patch has now been applied. If possible patch trailers will be updated. Note that commit hashes shown below are subject to change due to rebase, trailer updates or similar. If in doubt, please check the listed branch. tree: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git branch: kernel-7.0.misc [1/2] Revert "pid: make __task_pid_nr_ns(ns => NULL) safe for zombie callers" https://git.kernel.org/vfs/vfs/c/2cf72670a7bb [2/2] pid: introduce task_ppid_vnr() helper https://git.kernel.org/vfs/vfs/c/6ac9f2b2f8e4