Re: [PATCH v2 3/4] x86: Expose SERIALIZE for supported cpuid

2020-07-14 Thread hpa
On July 14, 2020 5:03:31 PM PDT, "Zhang, Cathy" wrote: >On 7/15/2020 7:05 AM, h...@zytor.com wrote: >> On July 14, 2020 3:42:08 PM PDT, "Zhang, Cathy" > wrote: >>> On 7/14/2020 11:00 AM, Sean Christopherson wrote: On Tue, Jul 07, 2020 at 10:16:22AM +0800, Cathy Zhang wrote: > SERIALIZE

Re: [PATCH v2 3/4] x86: Expose SERIALIZE for supported cpuid

2020-07-14 Thread Zhang, Cathy
On 7/15/2020 7:05 AM, h...@zytor.com wrote: On July 14, 2020 3:42:08 PM PDT, "Zhang, Cathy" wrote: On 7/14/2020 11:00 AM, Sean Christopherson wrote: On Tue, Jul 07, 2020 at 10:16:22AM +0800, Cathy Zhang wrote: SERIALIZE instruction is supported by intel processors, like Sapphire Rapids.

Re: [PATCH v2 3/4] x86: Expose SERIALIZE for supported cpuid

2020-07-14 Thread hpa
On July 14, 2020 3:42:08 PM PDT, "Zhang, Cathy" wrote: >On 7/14/2020 11:00 AM, Sean Christopherson wrote: >> On Tue, Jul 07, 2020 at 10:16:22AM +0800, Cathy Zhang wrote: >>> SERIALIZE instruction is supported by intel processors, >>> like Sapphire Rapids. Expose it in KVM supported cpuid. >>

Re: [PATCH v2 3/4] x86: Expose SERIALIZE for supported cpuid

2020-07-14 Thread Zhang, Cathy
On 7/14/2020 11:00 AM, Sean Christopherson wrote: On Tue, Jul 07, 2020 at 10:16:22AM +0800, Cathy Zhang wrote: SERIALIZE instruction is supported by intel processors, like Sapphire Rapids. Expose it in KVM supported cpuid. Providing at least a rough overview of the instruction, e.g. its

Re: [PATCH v2 3/4] x86: Expose SERIALIZE for supported cpuid

2020-07-13 Thread Sean Christopherson
On Tue, Jul 07, 2020 at 10:16:22AM +0800, Cathy Zhang wrote: > SERIALIZE instruction is supported by intel processors, > like Sapphire Rapids. Expose it in KVM supported cpuid. Providing at least a rough overview of the instruction, e.g. its enumeration, usage, fault rules, controls, etc... would

[PATCH v2 3/4] x86: Expose SERIALIZE for supported cpuid

2020-07-06 Thread Cathy Zhang
SERIALIZE instruction is supported by intel processors, like Sapphire Rapids. Expose it in KVM supported cpuid. Signed-off-by: Cathy Zhang --- arch/x86/kvm/cpuid.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index