[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] kvm: limit the maximum CPUID.0xA.edx[0..4] to 3
|
From: |
Shiyuan Gao |
|
Subject: |
Re: [PATCH] kvm: limit the maximum CPUID.0xA.edx[0..4] to 3 |
|
Date: |
Wed, 10 Jan 2024 18:13:17 +0800 |
Anyone has suggestion?
When the host kernel before this commit 2e8cd7a3b828 ("kvm: x86: limit the
maximum number of vPMU
fixed counters to 3") on icelake microarchitecture and newer, execute cpuid in
the Guest:
Architecture Performance Monitoring Features (0xa/edx):
number of fixed counters = 0x4 (4)
This is not inconsistent with num_architectural_pmu_fixed_counters in QEMU.
- Re: [PATCH] kvm: limit the maximum CPUID.0xA.edx[0..4] to 3,
Shiyuan Gao <=