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 67BF77A72F; Tue, 12 Mar 2024 14:09:28 +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=1710252568; cv=none; b=eRgOYCgG6aVOBDSkMb7751LERHW7fb5JglBUV2xBmJurSIXFN9hNqmTVpEkGrdKOg1mC9vlU/iUUNaVTqK5qLamq5koW2tzavwGVrdlOWaCNv9aAH0TKGMOubNCkyBEJzYXoGRAVzCi7IZw/k38sMzC/X+xyCFem6TG9p/lgnwo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710252568; c=relaxed/simple; bh=OHs6gIp06vpbC5HdsLdDt0/n/SfwHjJGPz0I98zSqfs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KNFcLXevuEu0FBGjX9tkVaeHFkDz5E7lXliJYv4st6wHJoxgBZt3fijV1+rI478f7CVVXgakDCkV6XCJZki2ht9p0gX+RKJB4xoGRV98CEgFQrYT2bYWycmEfLJFkFaA7gBuxYAgHdVsuXUAMrYKotFrRVBVbwbIrJdp8osy0p4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SDPhDzwz; 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="SDPhDzwz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 03886C433F1; Tue, 12 Mar 2024 14:09:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1710252568; bh=OHs6gIp06vpbC5HdsLdDt0/n/SfwHjJGPz0I98zSqfs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=SDPhDzwzLqpuGijqDS+OzUrakyRVTlV1DR+spBDFh//uvaNDw4JC9VkrVVAbDkq3d S53lr4jBcpaLd04yul/H5zKEMrAfsy0dY1vPYMXluXzxbHFH4YYg+Srz/w1H6M8SPe RHkzEMq1FXDffGOuklgN/QnvkO9mdWHNEnjoWPAKWl7OBrWw2on5uXOnwDzDr/+dA1 0WV4mTZJzWPk/IGLBnA5xqQevzs2wf3zMpCk/MySOti4UC0ndNQAzUZNCu5HPvd48f 1tYrsP91FWoL3iQv3hukk3F3h9Zixx5lv1m5cH2ubbDzyH+VLBr9ZXazJE1woVvBoD Oy8lQU/9ly9dg== Date: Tue, 12 Mar 2024 15:09:23 +0100 From: Christian Brauner To: Geert Uytterhoeven Cc: linux-fsdevel@vger.kernel.org, Linus Torvalds , Alexander Viro , Seth Forshee , Tycho Andersen , linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] pidfd: add pidfdfs Message-ID: <20240312-akzeptabel-ablegen-d82c1e8f4e23@brauner> References: <20240213-vfs-pidfd_fs-v1-0-f863f58cfce1@kernel.org> <20240213-vfs-pidfd_fs-v1-2-f863f58cfce1@kernel.org> <71bc82f4-b2df-c813-3aba-107d95c67d33@linux-m68k.org> Precedence: bulk X-Mailing-List: linux-fsdevel@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: <71bc82f4-b2df-c813-3aba-107d95c67d33@linux-m68k.org> > What is the risk this will not stay entirely optional? I.e. can it > become a requirement for modern userspace, and thus be used as a stick > to kill support for 32-bit architectures? Yeah, Linus has requested to remove the config option. I'm about to send him a patch.