Hi Zhao,
On 6/13/24 02:06, Zhao Liu wrote:
> On Wed, Jun 12, 2024 at 02:12:18PM -0500, Babu Moger wrote:
>> Date: Wed, 12 Jun 2024 14:12:18 -0500
>> From: Babu Moger
>> Subject: [PATCH 2/4] i386/cpu: Add PerfMonV2 feature bit
>> X-Mailer: git-send-email 2.34
On Wed, Jun 12, 2024 at 02:12:18PM -0500, Babu Moger wrote:
> Date: Wed, 12 Jun 2024 14:12:18 -0500
> From: Babu Moger
> Subject: [PATCH 2/4] i386/cpu: Add PerfMonV2 feature bit
> X-Mailer: git-send-email 2.34.1
>
> From: Sandipan Das
>
> CPUID leaf 0x802
From: Sandipan Das
CPUID leaf 0x8022, i.e. ExtPerfMonAndDbg, advertises new performance
monitoring features for AMD processors. Bit 0 of EAX indicates support
for Performance Monitoring Version 2 (PerfMonV2) features. If found to
be set during PMU initialization, the EBX bits can be used to d
