* [PATCH] KVM: x86: Expose Intel AVX512IFMA/AVX512VBMI/SHA features to guest.
@ 2016-12-14 2:42 Yi Sun
2016-12-14 12:57 ` Paolo Bonzini
0 siblings, 1 reply; 3+ messages in thread
From: Yi Sun @ 2016-12-14 2:42 UTC (permalink / raw)
To: kvm; +Cc: pbonzini, rkrcmar, chao.p.peng, Yi Sun
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] KVM: x86: Expose Intel AVX512IFMA/AVX512VBMI/SHA features to guest.
2016-12-14 2:42 [PATCH] KVM: x86: Expose Intel AVX512IFMA/AVX512VBMI/SHA features to guest Yi Sun
@ 2016-12-14 12:57 ` Paolo Bonzini
2016-12-15 1:32 ` Yi Sun
0 siblings, 1 reply; 3+ messages in thread
From: Paolo Bonzini @ 2016-12-14 12:57 UTC (permalink / raw)
To: Yi Sun, kvm; +Cc: rkrcmar, chao.p.peng
On 14/12/2016 03:42, Yi Sun wrote:
> 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>
Thanks, the patches are already in Linus's tree so I'll queue this one
for kvm/master.
Paolo
> ---
> 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();
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2016-12-14 2:42 [PATCH] KVM: x86: Expose Intel AVX512IFMA/AVX512VBMI/SHA features to guest Yi Sun
2016-12-14 12:57 ` Paolo Bonzini
2016-12-15 1:32 ` Yi Sun
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