From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x225dbRI56UiZGF+L8RfupKf/zjfPk14UtzmzvjmYCyjEaU0ikiEyR9arH0vngVB9zMhI3SIf ARC-Seal: i=1; a=rsa-sha256; t=1517855164; cv=none; d=google.com; s=arc-20160816; b=SE8S4CA9OVu9bhGgXeXxG416Hx5BUiqbMvStG08uNiosNJQ+wDeXZGqkCgfDho/y52 KpDLYv5u5wRBl2rzoDanbCA7SmO/js4WEfprvFgIohzL1uuldGRUhMsYBxwloFKGWZrU 5Nglp0AnJtGLNZ+oI+sGd5x0LmDaImK3ig4tGQXBj584UQTSaa00FrSlnP+RdyqImD34 89HVCi/vjkx+zeK/o4EQn6ZBLNPNTTBlQ2zRqVa1K2dn7HmY/EolHdg1tgL614WJBK/N 2YzxJWJzkkcBCy349TjwhQ12aYwt3+txzu38IMc43dSLJAtbeg4IzS54hcQoH/nYWbC6 VWNw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=h/rdjrc8+RfMPFoWTYIa/omhG82VnfSRVg8taDe0MEA=; b=dBDoqRepYyHy23HCPW3y52m4Ac1vmTXa1HW4h1ZGa7JN26FEhGSLEqTMR+NFIyIBj1 EYbi3J7awVG1Vc/j6zjz6uSoaIhZOaLjTLh2ugiaykaTLYne4g1nuknU8x6THAHKHmJ7 D+438UPSExpY3MMuUvhvdLaguli1apVhuvqKkHZCxMdLOsH1citoTi1HPoNuA6mk5OHb 5oSpkD0W8p0ZfgphXa+XfoB+B+LtW9Tu40JkgV3UtElrs7eriittAsaKla8HT46OOQ7A X4v18FUazghS9+v1EiGiqol1yV1Nlr/fT918TDdBFqW1jd8+vLiiP6G5kf042zdV4KE5 MlDA== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 104.132.1.108 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 104.132.1.108 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, KarimAllah Ahmed , David Woodhouse , Thomas Gleixner , Paolo Bonzini , Konrad Rzeszutek Wilk , Jim Mattson , kvm@vger.kernel.org, =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= Subject: [PATCH 4.15 54/60] KVM/x86: Update the reverse_cpuid list to include CPUID_7_EDX Date: Mon, 5 Feb 2018 10:23:27 -0800 Message-Id: <20180205182216.685303637@linuxfoundation.org> X-Mailer: git-send-email 2.16.1 In-Reply-To: <20180205182213.902626065@linuxfoundation.org> References: <20180205182213.902626065@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1591586402222751006?= X-GMAIL-MSGID: =?utf-8?q?1591586497324890781?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: KarimAllah Ahmed karahmed@amazon.de commit b7b27aa011a1df42728d1768fc181d9ce69e6911 [dwmw2: Stop using KF() for bits in it, too] Signed-off-by: KarimAllah Ahmed Signed-off-by: David Woodhouse Signed-off-by: Thomas Gleixner Reviewed-by: Paolo Bonzini Reviewed-by: Konrad Rzeszutek Wilk Reviewed-by: Jim Mattson Cc: kvm@vger.kernel.org Cc: Radim Krčmář Link: https://lkml.kernel.org/r/1517522386-18410-2-git-send-email-karahmed@amazon.de Signed-off-by: Greg Kroah-Hartman --- arch/x86/kvm/cpuid.c | 8 +++----- arch/x86/kvm/cpuid.h | 1 + 2 files changed, 4 insertions(+), 5 deletions(-) --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -67,9 +67,7 @@ u64 kvm_supported_xcr0(void) #define F(x) bit(X86_FEATURE_##x) -/* These are scattered features in cpufeatures.h. */ -#define KVM_CPUID_BIT_AVX512_4VNNIW 2 -#define KVM_CPUID_BIT_AVX512_4FMAPS 3 +/* For scattered features from cpufeatures.h; we currently expose none */ #define KF(x) bit(KVM_CPUID_BIT_##x) int kvm_update_cpuid(struct kvm_vcpu *vcpu) @@ -392,7 +390,7 @@ static inline int __do_cpuid_ent(struct /* cpuid 7.0.edx*/ const u32 kvm_cpuid_7_0_edx_x86_features = - KF(AVX512_4VNNIW) | KF(AVX512_4FMAPS); + F(AVX512_4VNNIW) | F(AVX512_4FMAPS); /* all calls to cpuid_count() should be made on the same cpu */ get_cpu(); @@ -477,7 +475,7 @@ static inline int __do_cpuid_ent(struct if (!tdp_enabled || !boot_cpu_has(X86_FEATURE_OSPKE)) entry->ecx &= ~F(PKU); entry->edx &= kvm_cpuid_7_0_edx_x86_features; - entry->edx &= get_scattered_cpuid_leaf(7, 0, CPUID_EDX); + cpuid_mask(&entry->edx, CPUID_7_EDX); } else { entry->ebx = 0; entry->ecx = 0; --- a/arch/x86/kvm/cpuid.h +++ b/arch/x86/kvm/cpuid.h @@ -54,6 +54,7 @@ static const struct cpuid_reg reverse_cp [CPUID_8000_000A_EDX] = {0x8000000a, 0, CPUID_EDX}, [CPUID_7_ECX] = { 7, 0, CPUID_ECX}, [CPUID_8000_0007_EBX] = {0x80000007, 0, CPUID_EBX}, + [CPUID_7_EDX] = { 7, 0, CPUID_EDX}, }; static __always_inline struct cpuid_reg x86_feature_cpuid(unsigned x86_feature)