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=-6.4 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 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 4FCE9C433DB for ; Wed, 3 Feb 2021 01:05:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F190D64F51 for ; Wed, 3 Feb 2021 01:05:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230135AbhBCBFE (ORCPT ); Tue, 2 Feb 2021 20:05:04 -0500 Received: from mail.kernel.org ([198.145.29.99]:33644 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229729AbhBCBFD (ORCPT ); Tue, 2 Feb 2021 20:05:03 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6B99B64F41; Wed, 3 Feb 2021 01:04:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1612314262; bh=fgFFuKT0AwsUtthU1lpDAzZcl66T+TN2PJgx6lqpLr0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=pYE+zLib9EAgBh5g2gVEhrHWHsbB8Zot5kRQn2Ang9xEIjMs0vsXTScEx4Ed5ZhuR kTYC3CahOfoidLHVGOnLYh/j1eXPn0PXRLSp852cmkMGF50FHup94A+wCqStvd+p2v JICu4i+LYJxMnDeQhPG3PysRTMfTgwT0kM3BoSBCPUaT6RbuEkNaX4diozLnKWoOwb ErMtBZFTdbhVvYdZan5q+HBeXecOdVXYjnZUazojPxPaQ5O0Ye22epKvjkysUcoSYA LlOBKKAS8BileSjGWfKHDRfEhzfrNoZKWSK4TwCKWxnytB4HbxETHMcO+GaifHJTTB KrMF7WzNqaENg== Date: Tue, 2 Feb 2021 20:04:21 -0500 From: Sasha Levin To: Mark Brown 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: <20210203010421.GT4035784@sasha-vm> References: <20210202150615.1864175-1-sashal@kernel.org> <20210202150615.1864175-2-sashal@kernel.org> <20210202161243.GD5154@sirena.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20210202161243.GD5154@sirena.org.uk> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 02, 2021 at 04:12:43PM +0000, Mark Brown wrote: >On Tue, Feb 02, 2021 at 10:05:52AM -0500, Sasha Levin wrote: >> From: David Collins >> >> [ Upstream commit eaa7995c529b54d68d97a30f6344cc6ca2f214a7 ] >> >> 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. Okay, I'll see if it made it next week before I queue it up. Thanks! -- Thanks, Sasha