Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp2361677pxb; Thu, 11 Feb 2021 10:22:08 -0800 (PST) X-Google-Smtp-Source: ABdhPJzHLdL5iNfguOYSZKDQwJi+76ZZXpAB1//1bmh1pJV7CkKpDPrL5/MhMtRJhuXIwozJxxi5 X-Received: by 2002:a17:906:cc50:: with SMTP id mm16mr9632048ejb.366.1613067728555; Thu, 11 Feb 2021 10:22:08 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1613067728; cv=none; d=google.com; s=arc-20160816; b=nmhUKQKbkuXCvuP2zPOBeJFJ+f13vFlov9s2enfSeqImN3nE4VPxaHrNBJdh1aWXJy BwUmFonFPKuQD5QLzBHGlk7mPGKd+YxAHFI8ViFaYKjzeH4g/Zlu2P0HYb62fCOdZWrs M7DvINoBdaCD2u6Sb+5cV0RhlLKlb/XfXL4BKz+PUFsXOp8cqNfT/6xsMYREUFS6LuZL pIM/EHgYhKERjVUsCPAQZ0HBDtXgkK41X9udym6bODbr30IYs9jnNaDUAS8n1JcLhnuv y7JK/zt8s/+C//qDMST2l2FCxYwGNJeH2zRPT/AOZbpMKSJgTURAAT1ZbfUwChQlHPOZ MBWA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=zXX8nLs9pWZ+e8/lBZZJNFOBjODY5I7bwpmNy8Lr4v0=; b=fsaaNFX8fsZMB9pt6ZFwW802sNQXyzFHm6GOAjO09v/6V+EOP9xGqK2eanxuL0PTPk zHYwAoDg2zg+4jcfPh1QIfk/LI2q0b2lPvR2FwhLGah0kyHmVEdpa+51ocEh1i0kvznu Rn124ZVAnMnOOU+N44EdORRmMZJqAtbFA/jdtpXREMJD9RLponuxkFcA91wfsRGrqae4 ZeSZxw/ZptPCEXemuMu8DQ6H9DbNoHKldzpf+nzw8/sm3G2oR7nNsSQuLxQaEnIc8FZV wp1GdOvIa++lUJTXBvx5sz0yqs309adn2QlJ3lcoOoOA5XsS6vhkJBX8efGLtvWcHxIf DIgQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=MyyLbn4g; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id jz15si4274260ejb.290.2021.02.11.10.21.35; Thu, 11 Feb 2021 10:22:08 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=MyyLbn4g; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232607AbhBKSUf (ORCPT + 99 others); Thu, 11 Feb 2021 13:20:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:52352 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232450AbhBKSHB (ORCPT ); Thu, 11 Feb 2021 13:07:01 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 193CC64DE1; Thu, 11 Feb 2021 18:06:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1613066778; bh=th0ftCsf27UJO3jv9zjkAX6s8Y9ezleCWdivAs1DWDM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=MyyLbn4gOvdLRAbhOvbe/370fPhQ2+7IAOgDhyQz/kAcYdxhl24ZCTjO5fBGO7LZT Ye8HzN+v7j32VDadLPEMzsy2CG3Xvj341iAV+GPT6KdBSnmPDhMLd81m43/hU0cv+3 /YXpGLQhmGg+OWUXT6yyCFSj5kDDu9ni9hDph13OlOIi+0F6PWBmZSDOoXnuS94Qgy YO1umjnxcNQBlJ9MDdMgaztWxKeZNAT/BSycCQ9G+mZ5cbt/eqGPDFY8FKWxhEZ4V/ eFl3lYLGqugha/phgQWCBr9YfRLD7j+F3CO+3+aEaYNDS3QxVKLEAuKKao0bKBTFue kjfkxZMfb10Kw== Date: Thu, 11 Feb 2021 13:06:17 -0500 From: Sasha Levin To: Mark Brown Cc: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, stable@vger.kernel.org, David Collins Subject: Re: [PATCH 4.19 07/24] regulator: core: avoid regulator_resolve_supply() race condition Message-ID: <20210211180617.GG4035784@sasha-vm> References: <20210211150147.743660073@linuxfoundation.org> <20210211150148.069380965@linuxfoundation.org> <20210211152656.GD5217@sirena.org.uk> <20210211154021.GE5217@sirena.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20210211154021.GE5217@sirena.org.uk> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 11, 2021 at 03:40:21PM +0000, Mark Brown wrote: >On Thu, Feb 11, 2021 at 04:38:08PM +0100, Greg Kroah-Hartman wrote: >> On Thu, Feb 11, 2021 at 03:26:56PM +0000, Mark Brown wrote: > >> > > The final step in regulator_register() is to call >> > > regulator_resolve_supply() for each registered regulator > >> > This is buggy without a followup which doesn't seem to have been >> > backported here. > >> Would that be 14a71d509ac8 ("regulator: Fix lockdep warning resolving >> supplies")? Looks like it made it into the 5.4.y and 5.10.y queues, but >> not 4.19.y. > >Yes, that's the one. I've grabbed these two additional commits for 4.19: 05f224ca6693 ("regulator: core: Clean enabling always-on regulators + their supplies") 2bb166636933 ("regulator: core: enable power when setting up constraints") And queued up 14a71d509ac8. Thanks for the heads-up! -- Thanks, Sasha