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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k1-20020a170902ce0100b00156b46e2407si19850825plg.471.2022.05.25.15.38.17; Wed, 25 May 2022 15:38:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=desiato.20200630 header.b=EY4iQ2yD; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245316AbiEYQxJ (ORCPT + 99 others); Wed, 25 May 2022 12:53:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237563AbiEYQxG (ORCPT ); Wed, 25 May 2022 12:53:06 -0400 Received: from desiato.infradead.org (desiato.infradead.org [IPv6:2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34CA95E753 for ; Wed, 25 May 2022 09:53:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=HWanoelDjviMS4e2qR1g8RYJjbLW/SUdT8BkgC3E7RA=; b=EY4iQ2yDvjaPJSoZzgXq8I17Ly WrQ1Ua0+bPN+wJmkXJsJ8fPjuUrDzztRiN3kPCdPQyySWAHMv+TU1OvSFK1qndgcJ30G/9ErUVVw/ hGcMQw0+Jhb9di/U7FuaUuucLzdkzRRVduAkS92T0hrvlrEng/H0hDHwA0G2o4Ja5yD185RwPm800 bxdYM3mrR2BVPAvet5KwXB72zCYjp5twJhYhF6LsOjGsM2v/3kOBcQmIuR3FKFGOk9M8Pdjx605Kj fd/k2nYDAWCIYYRtki6UJR481dLLA2wXeGMiipqWrQG3XN3Z5lT/6N2C+LF37Icdn9jQ/0e2rFD27 kWi75Dqw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=worktop.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1ntuFg-001fij-Cl; Wed, 25 May 2022 16:52:53 +0000 Received: by worktop.programming.kicks-ass.net (Postfix, from userid 1000) id 1C587980E04; Wed, 25 May 2022 18:52:48 +0200 (CEST) Date: Wed, 25 May 2022 18:52:48 +0200 From: Peter Zijlstra To: Vincent Donnefort Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org, vschneid@redhat.com, kernel-team@android.com, Derek Dolney Subject: Re: [PATCH v2] cpu/hotplug: Do not bail-out in DYING/STARTING sections Message-ID: <20220525165248.GI2578@worktop.programming.kicks-ass.net> References: <20220523160536.2889162-1-vdonnefort@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220523160536.2889162-1-vdonnefort@google.com> X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 23, 2022 at 05:05:36PM +0100, Vincent Donnefort wrote: > The DYING/STARTING callbacks are not expected to fail. However, as reported > by Derek, drivers such as tboot are still free to return errors within > those sections. In that case, there's nothing the hotplug machinery can do, > so let's just proceed and log the failures. > I'm confused. Why isn't this a driver bug?