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 X-Spam-Level: X-Spam-Status: No, score=-7.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD2A6C433E0 for ; Tue, 2 Feb 2021 16:18:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7EC9B64F55 for ; Tue, 2 Feb 2021 16:18:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235944AbhBBQRn (ORCPT ); Tue, 2 Feb 2021 11:17:43 -0500 Received: from mail.kernel.org ([198.145.29.99]:53988 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235124AbhBBQOL (ORCPT ); Tue, 2 Feb 2021 11:14:11 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 40EED64F59; Tue, 2 Feb 2021 16:13:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1612282410; bh=5HywIx9nRgIariGnFBrJVmtHnLOhr/Cqmp+09dvI/I8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=TdO6zUhFNLjFYAJQtZSHzYmq/o6hgfC/Zxy6KNV/bDwHKl36bL2HmrQ1jmkAdEy45 Ag3BJ/1IpfrSkCvayvz9375lyWK/Ea/WYH2OY+O3CBQhwhqpI5rcwXOe/++y+yrCVG MyX5yZ5PS4kmrzJH4M8zsYGIsj9fplZtNWG8XxthZmw8iMDDnweIwb6DaZGApww3YR QUCe//TdzVkD7vRBvmNBfFPPxkmEDsAQWi6PCPmWFXtbkM9Xo1GZPS1DYWQUmfNWc6 BqjB+mb8oYtlzSjm7VpzZ9PAIWZ4tbaRdvzMlxhM0Bx0aORuYmvjTBdRfJFXXWwRFl 9xkdd/60FU8xw== Date: Tue, 2 Feb 2021 16:12:43 +0000 From: Mark Brown To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, David Collins Subject: Re: [PATCH AUTOSEL 5.10 02/25] regulator: core: avoid regulator_resolve_supply() race condition Message-ID: <20210202161243.GD5154@sirena.org.uk> References: <20210202150615.1864175-1-sashal@kernel.org> <20210202150615.1864175-2-sashal@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="3Gf/FFewwPeBMqCJ" Content-Disposition: inline In-Reply-To: <20210202150615.1864175-2-sashal@kernel.org> X-Cookie: Only God can make random selections. User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --3Gf/FFewwPeBMqCJ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Feb 02, 2021 at 10:05:52AM -0500, Sasha Levin wrote: > From: David Collins >=20 > [ Upstream commit eaa7995c529b54d68d97a30f6344cc6ca2f214a7 ] >=20 > The final step in regulator_register() is to call > regulator_resolve_supply() for each registered regulator > (including the one in the process of being registered). The This introduces a lockdep warning, there's a follow up commit if you want to backport it or it should be fine to just not backport either. --3Gf/FFewwPeBMqCJ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmAZefoACgkQJNaLcl1U h9Bcpwf/bHQxyBpio5OKP8LF+rBXyCd8QztvMgv9ehts7j78n7VP/Baie+Xh0sny kSfij+3ffTsiUIVYNPG+0fRIg4/obLaEC3BfdIz/zFzI3R5GkpXmcYuwCO0p4RYt CRE3cgoQBHiHN8n/v22+OTP0llRew1lM+cONZpZ8VANdkKAF0uXZw2tXltVdh5PW lgjJ6BpX0TijsFzW/vg2eDXGiG/Si3blV/nvDzADVi4SQHyZnc8DYM6sEo0NMGK5 lX7S5Ddiuv3OvIq+/NyiSvzXIMhb6fyLDlzw8N0X0TI/S1ULN3kAQHCwWnYtsqix a5EQBsutiTGGsIXIPQidT7pEqJjDtw== =MNov -----END PGP SIGNATURE----- --3Gf/FFewwPeBMqCJ--