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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92278C4332F for ; Wed, 20 Apr 2022 16:27:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1380234AbiDTQaR (ORCPT ); Wed, 20 Apr 2022 12:30:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237190AbiDTQaO (ORCPT ); Wed, 20 Apr 2022 12:30:14 -0400 Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 900C530F7E; Wed, 20 Apr 2022 09:27:27 -0700 (PDT) Received: by mail-wm1-x330.google.com with SMTP id bg25so856476wmb.4; Wed, 20 Apr 2022 09:27:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:message-id:date:mime-version:user-agent:content-language:to :cc:references:from:subject:in-reply-to:content-transfer-encoding; bh=r6/1LJ6bEhhBqRzSKXoEbeE0rdJ9IO1XFkaZ2FJo+Pg=; b=VVR/LaYO3RzlOTagucqR1RML8ejvY1psyRLd5bTXvzz7zuT7wgzJwqxg9fnsaVRI/6 rs7RO2dZR8EwPmC+O/bpn6OkhZoiIa3mQ2kjFFALt9yFJ0eie4tc6GIsJUmzutMQNrAx KvSKAZbaumWANWDULse2KHAmFrpMvkzF1zM7rTUaybz98BrSvD0K54EGEDk0nxH1KVCM XXw356u/Kb1+DyZkHioKyvI6HWxkNftkOgkUIY/pRXWddHQ3crbc0bhHSSfp0pHmkUCO mHCVkXqcWdQ7aV76PRNCBq6BV09p+0WqpWtQvcYIxlciVc9pMy+8zpJJjOlvcDvYL09x IizQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:message-id:date:mime-version:user-agent :content-language:to:cc:references:from:subject:in-reply-to :content-transfer-encoding; bh=r6/1LJ6bEhhBqRzSKXoEbeE0rdJ9IO1XFkaZ2FJo+Pg=; b=7YH2nCfEZHObJ+zqeF1D1E4U4yjHMzfzVKoY9XPneGWKFFrfymNJazYp+BO3ok2Hhl MxwKVzV0uh+/UvOo8bmTlxc6rBkfkZFB8gHXx+uWcpQIQUgbm97fy/+2bybTvKrD6cEz 9w/fdqv9WLs6flN67WYGBEcFoa0s2EWWtbJnZ09+W+By4y+iHL9+hI8jj9QgUTmreJn6 Bdwp1TI4DN8mI6ciA5cshlrBkms1QIiO8A23uA431fI2vgX06LEP+Oz45fg2oxma194+ KypDUiVCK8jGcUbzkiMf+ToeuqlyEhvj9fypetgDZUwsA9q/oDDCnyv/gPbfb9gouqn8 7wRw== X-Gm-Message-State: AOAM531xEX+QdkN4EoVeyDZcferDxtVY2z4l9rZnLvP3s4dSAis8aZNy iEgI2bo6qLXneBkoPTXztL8= X-Google-Smtp-Source: ABdhPJwF7KqLSE5LuXgnXxDM3O1OPa2mvlH5rrta77NPNra9zi504DUMJ5Ylo71dUF7S6KaqrNQR+g== X-Received: by 2002:a1c:f211:0:b0:381:6c60:742f with SMTP id s17-20020a1cf211000000b003816c60742fmr4766034wmc.130.1650472046061; Wed, 20 Apr 2022 09:27:26 -0700 (PDT) Received: from ?IPV6:2001:b07:6468:f312:c8dd:75d4:99ab:290a? ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.googlemail.com with ESMTPSA id 2-20020a1c1902000000b00380d3873d6asm210737wmz.43.2022.04.20.09.27.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 20 Apr 2022 09:27:25 -0700 (PDT) Sender: Paolo Bonzini Message-ID: Date: Wed, 20 Apr 2022 18:27:23 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Content-Language: en-US To: Babu Moger , tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, seanjc@google.com Cc: vkuznets@redhat.com, jmattson@google.com, joro@8bytes.org, wanpengli@tencent.com, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, x86@kernel.org References: <165040157111.1399644.6123821125319995316.stgit@bmoger-ubuntu> From: Paolo Bonzini Subject: Re: [PATCH v2 1/2] x86/cpufeatures: Add virtual TSC_AUX feature bit In-Reply-To: <165040157111.1399644.6123821125319995316.stgit@bmoger-ubuntu> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/19/22 22:53, Babu Moger wrote: > diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c > index b24ca7f4ed7c..99a4c078b397 100644 > --- a/arch/x86/kvm/cpuid.c > +++ b/arch/x86/kvm/cpuid.c > @@ -674,7 +674,7 @@ void kvm_set_cpu_caps(void) > > kvm_cpu_cap_mask(CPUID_8000_001F_EAX, > 0 /* SME */ | F(SEV) | 0 /* VM_PAGE_FLUSH */ | F(SEV_ES) | > - F(SME_COHERENT)); > + F(V_TSC_AUX) | F(SME_COHERENT)); > > kvm_cpu_cap_mask(CPUID_C000_0001_EDX, > F(XSTORE) | F(XSTORE_EN) | F(XCRYPT) | F(XCRYPT_EN) | Not needed, since V_TSC_AUX is not exposed to guests. I made the changes and queued both patches. Paolo