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From: Yi Sun <yi.y.sun@linux.intel.com>
To: kvm@vger.kernel.org
Cc: pbonzini@redhat.com, rkrcmar@redhat.com, chao.p.peng@intel.com,
	Yi Sun <yi.y.sun@linux.intel.com>
Subject: [PATCH] KVM: x86: Expose Intel AVX512IFMA/AVX512VBMI/SHA features to guest.
Date: Wed, 14 Dec 2016 10:42:29 +0800	[thread overview]
Message-ID: <1481683349-9672-1-git-send-email-yi.y.sun@linux.intel.com> (raw)

Expose AVX512IFMA/AVX512VBMI/SHA features to guest.

AVX512 spec can be found at:
https://software.intel.com/sites/default/files/managed/26/40/319433-026.pdf

SHA spec can be found at:
https://software.intel.com/sites/default/files/managed/39/c5/325462-sdm-vol-1-2abcd-3abcd.pdf

This patch depends on below patch.
http://marc.info/?l=linux-kernel&m=147932800828178&w=2

Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
---
 arch/x86/kvm/cpuid.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index afa7bbb..1b81f060 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -365,16 +365,17 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 	const u32 kvm_cpuid_7_0_ebx_x86_features =
 		F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) |
 		F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | f_mpx | F(RDSEED) |
-		F(ADX) | F(SMAP) | F(AVX512F) | F(AVX512PF) | F(AVX512ER) |
-		F(AVX512CD) | F(CLFLUSHOPT) | F(CLWB) | F(AVX512DQ) |
-		F(AVX512BW) | F(AVX512VL);
+		F(ADX) | F(SMAP) | F(AVX512IFMA) | F(AVX512F) | F(AVX512PF) |
+		F(AVX512ER) | F(AVX512CD) | F(CLFLUSHOPT) | F(CLWB) | F(AVX512DQ) |
+		F(SHA_NI) | F(AVX512BW) | F(AVX512VL);
 
 	/* cpuid 0xD.1.eax */
 	const u32 kvm_cpuid_D_1_eax_x86_features =
 		F(XSAVEOPT) | F(XSAVEC) | F(XGETBV1) | f_xsaves;
 
 	/* cpuid 7.0.ecx*/
-	const u32 kvm_cpuid_7_0_ecx_x86_features = F(PKU) | 0 /*OSPKE*/;
+	const u32 kvm_cpuid_7_0_ecx_x86_features =
+		F(AVX512VBMI) | F(PKU) | 0 /*OSPKE*/;
 
 	/* all calls to cpuid_count() should be made on the same cpu */
 	get_cpu();
-- 
1.9.1


             reply	other threads:[~2016-12-14  2:42 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-14  2:42 Yi Sun [this message]
2016-12-14 12:57 ` [PATCH] KVM: x86: Expose Intel AVX512IFMA/AVX512VBMI/SHA features to guest Paolo Bonzini
2016-12-15  1:32   ` Yi Sun

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