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[2620:137:e000::1:20]) by mx.google.com with ESMTP id v24-20020a63f218000000b00564bcae8b74si3217826pgh.870.2023.08.11.04.47.15; Fri, 11 Aug 2023 04:47:35 -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=alien8 header.b=Ngm2EUFx; 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 S236404AbjHKLXy (ORCPT + 99 others); Fri, 11 Aug 2023 07:23:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236372AbjHKLXx (ORCPT ); Fri, 11 Aug 2023 07:23:53 -0400 Received: from mail.alien8.de (mail.alien8.de [65.109.113.108]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7844171D; Fri, 11 Aug 2023 04:23:33 -0700 (PDT) Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id E89EA40E0194; Fri, 11 Aug 2023 11:22:49 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Authentication-Results: mail.alien8.de (amavisd-new); dkim=pass (4096-bit key) header.d=alien8.de Received: from mail.alien8.de ([127.0.0.1]) by localhost (mail.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id F0-DLhc1lZum; Fri, 11 Aug 2023 11:22:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1691752966; bh=h/v55CWAwzTy+KrxdcUWkvzhq3Ar1s60l7WUk5aCdxY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Ngm2EUFx70cJ1VJpTqYKAbdQ27g25CIXKcjK0kYaxbWZLruz79Eedfj1ireUU9ykY NBgdYWeXnSQmgMch7n3MzmG47tAYmRwLLxujOdtc5wi9pJH6ziJQiX/eDmE2BB1j2U EXWUi16cH3YCC8TO+4PMD9J2P1XJVtdaE5g56DJqG/aNbFl1cMWPmehW8Aj4/h0vzs 4y8+rArAcns7Lf9/VM2Y1RN4empcmb/sAgLMH6sP8lBOO6I6E4J5t+KHhks5FPqjAO KqqdjTGIpTu1tpN2g31sD6uWRB32SyEXSxvRISjPE8wtLFPk855/862ijBZX57PGQs L/fSn7wY9x+hDsW/aOJtFzrJDrvpU4JgaX/ZaXUbnoG7fD2QbH7xGWy+iAjqWJb4lJ sbQpoLXESRAUxPu8URYysjsb53iuwjeqgj5qdx1UXNl7fiHgeRGYz1RM4nx2lue2je 9u+TSVhgJNmOmuuGUU8igCoS0WQf109cjRqZLPYNZ2v153iD60X6qIHJG83XgluaN2 /oYmE36Dto0zLjyZzjUra62s9y7sCLHIdCtBrVFTEtaJtbAadEnck7uUwWHyjRjxpW K/NXx5ZS+xyVjUDQakPY0WY6tBY+V+GgPF05pnC9Cb2ckcfEvLLWIqY1Y72uERgRl7 iboTXn9Sj08+ge6eVJ/D2kvk= Received: from zn.tnic (pd9530d32.dip0.t-ipconnect.de [217.83.13.50]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id C87D540E01A1; Fri, 11 Aug 2023 11:22:40 +0000 (UTC) Date: Fri, 11 Aug 2023 13:22:36 +0200 From: Borislav Petkov To: Ashok Raj , initramfs@vger.kernel.org Cc: Thomas Gleixner , LKML , x86@kernel.org, Arjan van de Ven Subject: Re: [patch 02/30] x86/microcode: Hide the config knob Message-ID: <20230811112236.GFZNYZ/Ndw1/Us+X2e@fat_crate.local> References: <20230810153317.850017756@linutronix.de> <20230810160805.081212701@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 + dracut ML (I hope this is the right one). Dracut folks, you can drop this check soon - microcode loader will be unconditionally built in. On Thu, Aug 10, 2023 at 01:41:43PM -0700, Ashok Raj wrote: > On Thu, Aug 10, 2023 at 08:37:29PM +0200, Thomas Gleixner wrote: > > In reality CONFIG_MICROCODE is enabled in any reasonable configuration when > > Intel or AMD support is enabled. Accomodate to reality. > > > > Requested-by: Borislav Petkov > > Signed-off-by: Thomas Gleixner > > --- > > arch/x86/Kconfig | 38 --------------------------------- > > arch/x86/include/asm/microcode.h | 6 ++--- > > arch/x86/include/asm/microcode_amd.h | 2 - > > arch/x86/include/asm/microcode_intel.h | 2 - > > arch/x86/kernel/cpu/microcode/Makefile | 4 +-- > > 5 files changed, 8 insertions(+), 44 deletions(-) > > > > --- a/arch/x86/Kconfig > > +++ b/arch/x86/Kconfig > > @@ -1308,44 +1308,8 @@ config X86_REBOOTFIXUPS > > Say N otherwise. > > > > config MICROCODE > > - bool "CPU microcode loading support" > > - default y > > + def_bool y > > depends on CPU_SUP_AMD || CPU_SUP_INTEL > > Seems like there is a dracut dependency that checks for either of these to > be present. > > dracut: Generating /boot/initrd.img-6.5.0-rc3-ucode-minrev+ > dracut: Disabling early microcode, because kernel does not support it. CONFIG_MICROCODE_[AMD|INTEL]!=y > > Just a tool fix. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette