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[2620:137:e000::1:20]) by mx.google.com with ESMTP id w79-20020a627b52000000b005e3d9678a3bsi235938pfc.291.2023.03.30.10.17.34; Thu, 30 Mar 2023 10:17:53 -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=@alien8.de header.s=dkim header.b=eBDlTQYZ; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231760AbjC3RGE (ORCPT + 99 others); Thu, 30 Mar 2023 13:06:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231378AbjC3RGD (ORCPT ); Thu, 30 Mar 2023 13:06:03 -0400 Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 227A6199E; Thu, 30 Mar 2023 10:06:02 -0700 (PDT) Received: from [127.0.0.1] (dynamic-046-114-214-160.46.114.pool.telefonica.de [46.114.214.160]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 618CA1EC064E; Thu, 30 Mar 2023 19:06:00 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1680195960; h=from:from: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:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VbQdC26BGuDMQMbR3dI9UycMZAF+8EQZAjhm6UnhyUw=; b=eBDlTQYZWuoeljjhDYtHzcoP6FHO8j1241PdRRF88loxMQJmg+DgaYwcjYQ6AhDY8hxVaf +yNnxWkyQIqU4bfsYzZG7uTuOh9UAANcMzkDrNT1Ws8PIgBSnDYPI9Nh0a9UB1Qq+ejtNr jagjP91bArHMPPnDajqfi5ffxSVEGlU= Date: Thu, 30 Mar 2023 19:05:58 +0200 From: Borislav Petkov To: Thomas Gleixner , Usama Arif , dwmw2@infradead.org, kim.phillips@amd.com, brgerst@gmail.com CC: piotrgorski@cachyos.org, oleksandr@natalenko.name, arjan@linux.intel.com, mingo@redhat.com, dave.hansen@linux.intel.com, hpa@zytor.com, x86@kernel.org, pbonzini@redhat.com, paulmck@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, rcu@vger.kernel.org, mimoja@mimoja.de, hewenliang4@huawei.com, thomas.lendacky@amd.com, seanjc@google.com, pmenzel@molgen.mpg.de, fam.zheng@bytedance.com, punit.agrawal@bytedance.com, simon.evans@bytedance.com, liangma@liangbit.com, gpiccoli@igalia.com, David Woodhouse Subject: =?US-ASCII?Q?Re=3A_=5BPATCH_v17_6/8=5D_x86/smpboot=3A_Send_INI?= =?US-ASCII?Q?T/SIPI/SIPI_to_secondary_CPUs_in_parallel?= User-Agent: K-9 Mail for Android In-Reply-To: <87v8iirxun.ffs@tglx> References: <20230328195758.1049469-1-usama.arif@bytedance.com> <20230328195758.1049469-7-usama.arif@bytedance.com> <87v8iirxun.ffs@tglx> Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 March 30, 2023 6:46:24 PM GMT+02:00, Thomas Gleixner wrote: >So that violates the rules of microcode loading that the sibling must be >in a state where it does not execute anything which might be affected by >the microcode update=2E The fragile startup code does not really qualify >as such a state :) Yeah I don't think we ever enforced this for early loading=2E The thread s= ync thing came with the late loading dance=2E=2E=2E=2E --=20 Sent from a small device: formatting sucks and brevity is inevitable=2E