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=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 B6761C55189 for ; Wed, 22 Apr 2020 10:02:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 896AA20774 for ; Wed, 22 Apr 2020 10:02:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587549773; bh=/shy0GdN/NXun4N9nEB8CicnvknVFEkqKuMDz9PbvHQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=unMO8Haz/znJZPhqO66nWDe4CsXWHwlOBaG1RwnR1VsqYDE/62gsme9cOw1gpAPvk /HCRzQmsqTrUkbTVRHTWTsL8bUzvtIwkFLEd3hkEpJPIjtZDHFKzVmgv31JaFmOQky ed4rOMbbjCl2hzD7BIGdTZKJit2qcUyoxsJFfWoo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727071AbgDVKCw (ORCPT ); Wed, 22 Apr 2020 06:02:52 -0400 Received: from mail.kernel.org ([198.145.29.99]:52120 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727055AbgDVKCt (ORCPT ); Wed, 22 Apr 2020 06:02:49 -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 6D11120787; Wed, 22 Apr 2020 10:02:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587549768; bh=/shy0GdN/NXun4N9nEB8CicnvknVFEkqKuMDz9PbvHQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hm1nDchaNwdko9Kd6MuQxt1Gusqt5q3DFVA9pWooFbZVBBtWNPP+Lfibag4xKas4p AnJqPl0cXtHdLo0NNzl5Sp+aJJKltdbMB7TbUKZiTgmjSS4ANw1d+1aKc1M+YCrMX/ FfCn03kBLbG9alKxIAUYxoSdAQX1IRoZW45vKqrE= 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 4.4 098/100] x86/CPU: Add native CPUID variants returning a single datum Date: Wed, 22 Apr 2020 11:57:08 +0200 Message-Id: <20200422095040.523364127@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200422095022.476101261@linuxfoundation.org> References: <20200422095022.476101261@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 @@ -212,6 +212,24 @@ 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));