Re: [PATCH] target/i386/hvf: add rdmsr 35H MSR_CORE_THREAD_COUNT

[Roman Bolshakov]

On Wed, Jan 13, 2021 at 11:53:23PM +0300, yaroshchuk2000@gmail.com wrote:
> From: Vladislav Yaroshchuk <yaroshchuk2000@gmail.com>
> 
> Some guests (ex. Darwin-XNU) can attemp to read this MSR to retrieve and
> validate CPU topology comparing it to ACPI MADT content
> 
> MSR description from Intel Manual:
> 35H: MSR_CORE_THREAD_COUNT: Configured State of Enabled Processor Core
>   Count and Logical Processor Count
> 
> Bits 15:0 THREAD_COUNT The number of logical processors that are
>   currently enabled in the physical package
> 
> Bits 31:16 Core_COUNT The number of processor cores that are currently
>   enabled in the physical package
> 
> Bits 63:32 Reserved
> 
> Signed-off-by: Vladislav Yaroshchuk <yaroshchuk2000@gmail.com>
> ---
>  target/i386/cpu.h         | 2 ++
>  target/i386/hvf/x86_emu.c | 5 +++++
>  2 files changed, 7 insertions(+)
> 

Queued, thanks!

-Roman