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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 C583DC55186 for ; Wed, 22 Apr 2020 10:08:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9CA492075A for ; Wed, 22 Apr 2020 10:08:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587550082; bh=BufB70BOJtnKBVjbWxfZqfEecSsOmUlsH5OZo5Dkf5c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=kvqlH1d+NH4+AM6xavYw++OE0FB0wuRkrD98rqePGUWhQUS22dnTdc99A8dh1mZl8 bf7rmPHsZQ16qK8b+Mp7r7GsCc8PNgh/ZgBzbQ5NSefbsh4rS0A0LFpp3OPYPtU3M/ YViIzNkqyvR+GENDaUSd8WNvqdd8qcDSAJfn4wWU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728622AbgDVKIB (ORCPT ); Wed, 22 Apr 2020 06:08:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:60828 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728592AbgDVKHw (ORCPT ); Wed, 22 Apr 2020 06:07:52 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A6FDD2076C; Wed, 22 Apr 2020 10:07:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587550072; bh=BufB70BOJtnKBVjbWxfZqfEecSsOmUlsH5OZo5Dkf5c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=06Jem3rcSV4ntvhNmeKJvzZc7K+gMxkTWKMug+WZAd/T3PqqYWgj9SkcGSehcFw4b Q3nhTUhR9UOnsmqdAEx2Sr6jbw6pI2OQDGguzvQnWpienaYPxFponQoT8+B+0W0jnG 2jQa+3hYqgUtMuXBZhI39wtgwdOf3AXJq7MClejg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Borislav Petkov , Thomas Gleixner , Evalds Iodzevics Subject: [PATCH 4.9 123/125] x86/CPU: Add native CPUID variants returning a single datum Date: Wed, 22 Apr 2020 11:57:20 +0200 Message-Id: <20200422095052.306897814@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200422095032.909124119@linuxfoundation.org> References: <20200422095032.909124119@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov commit 5dedade6dfa243c130b85d1e4daba6f027805033 upstream. ... similarly to the cpuid_() variants. Signed-off-by: Borislav Petkov Link: http://lkml.kernel.org/r/20170109114147.5082-2-bp@alien8.de Signed-off-by: Thomas Gleixner Cc: Evalds Iodzevics Signed-off-by: Greg Kroah-Hartman --- arch/x86/include/asm/processor.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -213,6 +213,24 @@ static inline void native_cpuid(unsigned : "memory"); } +#define native_cpuid_reg(reg) \ +static inline unsigned int native_cpuid_##reg(unsigned int op) \ +{ \ + unsigned int eax = op, ebx, ecx = 0, edx; \ + \ + native_cpuid(&eax, &ebx, &ecx, &edx); \ + \ + return reg; \ +} + +/* + * Native CPUID functions returning a single datum. + */ +native_cpuid_reg(eax) +native_cpuid_reg(ebx) +native_cpuid_reg(ecx) +native_cpuid_reg(edx) + static inline void load_cr3(pgd_t *pgdir) { write_cr3(__pa(pgdir));