From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4C4F7E7E375 for ; Fri, 3 Apr 2026 11:57:05 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5B8526B0005; Fri, 3 Apr 2026 07:57:04 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 568C26B0089; Fri, 3 Apr 2026 07:57:04 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 457386B008A; Fri, 3 Apr 2026 07:57:04 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 34CA06B0005 for ; Fri, 3 Apr 2026 07:57:04 -0400 (EDT) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id B666F13A8F6 for ; Fri, 3 Apr 2026 11:57:03 +0000 (UTC) X-FDA: 84617093526.19.AA61189 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf21.hostedemail.com (Postfix) with ESMTP id 26F031C0003 for ; Fri, 3 Apr 2026 11:57:02 +0000 (UTC) Authentication-Results: imf21.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="WExiF/lE"; spf=pass (imf21.hostedemail.com: domain of broonie@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=broonie@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1775217422; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=hlI1RBQqJjfpWuFZsCc6c4R0ASQxP62EyBGuIa0hpOs=; b=utIql5saTYzrxaPMlZsk1H8dlaluO5luPNwiF8ZauIYd8tQ1TI7rSw1Sgp2A96xQmkw7Wi QWp8WqgtDIHXobSPg6SC897rm6zzgJaicTtfT5WwqHtwVScPrEdSXLRLgsItjI0pcxcwvs kzxtFuSgn9xHSTYIo2rbTndv4bfRB54= ARC-Authentication-Results: i=1; imf21.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="WExiF/lE"; spf=pass (imf21.hostedemail.com: domain of broonie@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=broonie@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1775217422; a=rsa-sha256; cv=none; b=YvTDKLlb9QlJ/++LWXd0W+YhV8LYvcIRuOzBRLIUSR15TETDwNhRczGZN1SWUVrLk5c1ul Vhw4kzK7fqGc8cnPaGMfRgTr1PffzIzXPFWrSDvVMq9PR7RCwmMXTEFX1AKf/Ovmbw0fRf 3OI/FmJTUaEc3HGLcz3NLWWq13TsKzQ= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 975CF60121; Fri, 3 Apr 2026 11:57:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E1F48C4CEF7; Fri, 3 Apr 2026 11:56:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775217421; bh=hlI1RBQqJjfpWuFZsCc6c4R0ASQxP62EyBGuIa0hpOs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=WExiF/lER3/HxYWRZ7/VYGGhEbpEpz9xoEPNjcsCFvTGNpufubq1/grWFEw4iuMUy OoXV5ZN9cvTpw+MrimzFf6s9HmUgEebMHP6rxEPoVqpOak+AAKYreCCI+aI8f5Gcf8 zd3TXBgf41BbeUDYgDIMBFsxjCPG+plKws+G4eTYF97BpuDvffRy9f5yT7XQBVGQbe XqHjaEsIVjnSBX+EIpGZbUC6lXfkWCjygMqGuZgL2M9uFpPhtTcBQ2hiVkdvbT8xp0 yn+PYHPMRpNNVo0RArrBjXz2Wp47lKN2V/BGSRUsMLv3YU6gYJZRfQsOsmZPjmN+O6 y2sPDI66WCWpQ== Date: Fri, 3 Apr 2026 12:56:51 +0100 From: Mark Brown To: Douglas Anderson Cc: Greg Kroah-Hartman , "Rafael J . Wysocki" , Danilo Krummrich , Alan Stern , Robin Murphy , Leon Romanovsky , Paul Burton , Saravana Kannan , Alexander Lobakin , Eric Dumazet , Toshi Kani , Christoph Hellwig , Alexey Kardashevskiy , Johan Hovold , ardb@kernel.org, catalin.marinas@arm.com, chleroy@kernel.org, david@kernel.org, driver-core@lists.linux.dev, kees@kernel.org, kevin.brodsky@arm.com, lenb@kernel.org, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, maddy@linux.ibm.com, maz@kernel.org, miko.lenczewski@arm.com, mpe@ellerman.id.au, npiggin@gmail.com, osalvador@suse.de, oupton@kernel.org, peterz@infradead.org, tglx@kernel.org, will@kernel.org, yangyicong@hisilicon.com, yeoreum.yun@arm.com Subject: Re: [PATCH v3 9/9] driver core: Replace dev->offline + ->offline_disabled with DEV_FLAGs Message-ID: <57452867-60be-4292-9bc5-4e2faf1f3cb4@sirena.org.uk> References: <20260403005005.30424-1-dianders@chromium.org> <20260402174925.v3.9.I897d478b4a9361d79cd5073207c1062fd4d0d0e4@changeid> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="AVRN0JUTTuR+6v5a" Content-Disposition: inline In-Reply-To: <20260402174925.v3.9.I897d478b4a9361d79cd5073207c1062fd4d0d0e4@changeid> X-Cookie: The Korean War must have been fun. X-Rspam-User: X-Stat-Signature: ey834rhaocaopc7dnxymk4mmuqge7dsx X-Rspamd-Queue-Id: 26F031C0003 X-Rspamd-Server: rspam09 X-HE-Tag: 1775217422-876186 X-HE-Meta: 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 h7ar+rwo v7tqvPeewerCHQR1A1dADSeNzroVK/8+0/Hp9ZfVGvLNNh7WWrcCjOy7VNN7BKLWQFIwJXTI2p7XAOEFSBMV9zb48rfwLzH997ZE9CvANkbveuBlEpZ+Rv/idxHrRh92BTnggfXu69crZoOwP54dsiNfatbbFxVnlOZqU3xJyf20MiB2RhfZjrAovs/y9CyWj5riDC0HpsdChgREDP5SY5YvShuGszgzTgTo1xAJnh2JTUmPezsZxwagUuNYdWf5h3jGReMR2qWs2I1ISOCkrXIVtLeC2P8zRWeVmAoRNg1kI7f1Ni7M4uaLy+3rvg690o/K0chNRkrJe7HGeOjrbO2s47qUyAJHPlzBLbcHJm/XiwL/hfedGcofgHs08xUQzgp/s79eNZqhhQ9QuudapLpW4BN4Z865rJhVE Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: --AVRN0JUTTuR+6v5a Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Apr 02, 2026 at 05:49:55PM -0700, Douglas Anderson wrote: > In C, bitfields are not necessarily safe to modify from multiple > threads without locking. Switch "offline" and "offline_disabled" over > to the "flags" field so modifications are safe. Acked-by: Mark Brown --AVRN0JUTTuR+6v5a Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmnPqwIACgkQJNaLcl1U h9DTzAf+NmJvooER0KUGxju0cXbQLPzjhe+zmzezOQJa1zXjXfgBycnhieaqK7ny S+ZKb3sGXOFz1uf62w0rkTigz6ZBhVej2811kP/v6hOK59NgZZTJQfO8dQuSxEnT a/yLND6ngy2gm9svEKalKOxPy9JbUJjkq+j/fHmoGQtgZJzi3MQgf8Dj9JD9Hi9K CfKa+1VEAm39ijM8hfGOPXIHopw7PmdFfwGHkxLjmh4CRnWEhvWLFCPR+FiBQ0Sn XrkEJ4xDFRK5m2nxMzIK4mnPEH5oNBFredP+/WQ/ak8W69Tqy7XcVG1E5yZLgzci 4Y9/xe7D3PUt6PvteNaqZANk/e1zpA== =qXM/ -----END PGP SIGNATURE----- --AVRN0JUTTuR+6v5a--