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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 1BAA3C4338F for ; Thu, 19 Aug 2021 10:07:25 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C6D646113B for ; Thu, 19 Aug 2021 10:07:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C6D646113B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=alien8.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 59A36900002; Thu, 19 Aug 2021 06:07:24 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 54A196B0071; Thu, 19 Aug 2021 06:07:24 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 43A20900002; Thu, 19 Aug 2021 06:07:24 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0141.hostedemail.com [216.40.44.141]) by kanga.kvack.org (Postfix) with ESMTP id 2B6BD6B006C for ; Thu, 19 Aug 2021 06:07:24 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id C8BCD181DB388 for ; Thu, 19 Aug 2021 10:07:23 +0000 (UTC) X-FDA: 78491402766.22.76EB05A Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by imf01.hostedemail.com (Postfix) with ESMTP id 6D4FF5073EB4 for ; Thu, 19 Aug 2021 10:07:23 +0000 (UTC) Received: from zn.tnic (p200300ec2f0f6a00d82486aa7bad8753.dip0.t-ipconnect.de [IPv6:2003:ec:2f0f:6a00:d824:86aa:7bad:8753]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 2673C1EC046C; Thu, 19 Aug 2021 12:07:18 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1629367638; 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:in-reply-to:in-reply-to: references:references; bh=sk5ZD+uyIjjDf0+aatLf0S7xfivyYV6bPrM1F6VipEk=; b=Y6FVeyAYXMeHPizyC5o6zJzLiuV/IhxAjDLo6FCKzcMLEDjVwawaEoZEfI1d09NV3g86Gb /OHjrCMIO3pHa/Hz0SpocJgGnMVprSJh/GXv8fp4B/pnD1yoxoo989RTjkJxcEffrshvM/ o18P6GSHp4ATumKPb7v6v2tacColPgw= Date: Thu, 19 Aug 2021 12:07:56 +0200 From: Borislav Petkov To: Brijesh Singh Cc: x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-coco@lists.linux.dev, linux-mm@kvack.org, linux-crypto@vger.kernel.org, Thomas Gleixner , Ingo Molnar , Joerg Roedel , Tom Lendacky , "H. Peter Anvin" , Ard Biesheuvel , Paolo Bonzini , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Andy Lutomirski , Dave Hansen , Sergio Lopez , Peter Gonda , Peter Zijlstra , Srinivas Pandruvada , David Rientjes , Dov Murik , Tobin Feldman-Fitzthum , Michael Roth , Vlastimil Babka , tony.luck@intel.com, brijesh.ksingh@gmail.com Subject: Re: [PATCH Part1 RFC v4 23/36] KVM: x86: move lookup of indexed CPUID leafs to helper Message-ID: References: <20210707181506.30489-1-brijesh.singh@amd.com> <20210707181506.30489-24-brijesh.singh@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20210707181506.30489-24-brijesh.singh@amd.com> Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=alien8.de header.s=dkim header.b=Y6FVeyAY; dmarc=pass (policy=none) header.from=alien8.de; spf=pass (imf01.hostedemail.com: domain of bp@alien8.de designates 5.9.137.197 as permitted sender) smtp.mailfrom=bp@alien8.de X-Stat-Signature: agffyauzcmr9f13ryfbsnbmhtdgrcxt9 X-Rspamd-Queue-Id: 6D4FF5073EB4 X-Rspamd-Server: rspam05 X-HE-Tag: 1629367643-89267 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Jul 07, 2021 at 01:14:53PM -0500, Brijesh Singh wrote: > From: Michael Roth > > Determining which CPUID leafs have significant ECX/index values is > also needed by guest kernel code when doing SEV-SNP-validated CPUID > lookups. Move this to common code to keep future updates in sync. > > Signed-off-by: Michael Roth > Signed-off-by: Brijesh Singh > --- > arch/x86/include/asm/cpuid-indexed.h | 26 ++++++++++++++++++++++++++ > arch/x86/kvm/cpuid.c | 17 ++--------------- > 2 files changed, 28 insertions(+), 15 deletions(-) > create mode 100644 arch/x86/include/asm/cpuid-indexed.h > > diff --git a/arch/x86/include/asm/cpuid-indexed.h b/arch/x86/include/asm/cpuid-indexed.h > new file mode 100644 > index 000000000000..f5ab746f5712 > --- /dev/null > +++ b/arch/x86/include/asm/cpuid-indexed.h Just call it arch/x86/include/asm/cpuid.h And if you feel bored, you can move the cpuid* primitives from asm/processor.h to it, in another patch so that processor.h gets slimmer. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette