diff options
| author | Ewan Hai <ewanhai-oc@zhaoxin.com> | 2025-08-18 04:30:34 -0400 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2025-08-19 11:59:30 -0700 |
| commit | 1f0654dc75b8b4945988f802e4e532ff722ecce7 (patch) | |
| tree | 110d1aa17b5a2ffe848ddf90680216fef97e72b5 /arch/x86/kvm/cpuid.c | |
| parent | 49be82d4ad2ea3329c77b9e6010507baf1c66134 (diff) | |
KVM: x86: allow CPUID 0xC000_0000 to proceed on Zhaoxin CPUs
Bypass the Centaur-only filter for the CPUID signature leaf so that
processing continues when the CPU vendor is Zhaoxin.
Signed-off-by: Ewan Hai <ewanhai-oc@zhaoxin.com>
Link: https://lore.kernel.org/r/20250818083034.93935-1-ewanhai-oc@zhaoxin.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'arch/x86/kvm/cpuid.c')
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index e2836a255b16..bee8c869259f 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -1820,7 +1820,8 @@ static int get_cpuid_func(struct kvm_cpuid_array *array, u32 func, int r; if (func == CENTAUR_CPUID_SIGNATURE && - boot_cpu_data.x86_vendor != X86_VENDOR_CENTAUR) + boot_cpu_data.x86_vendor != X86_VENDOR_CENTAUR && + boot_cpu_data.x86_vendor != X86_VENDOR_ZHAOXIN) return 0; r = do_cpuid_func(array, func, type); |