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Signed-off-by: Alejandro Vallejo Reviewed-by: Teddy Astie Acked-by: Jan Beulich --- v3: * No changes v2: * Use boot_cpu_data rather than policy vendor. --- xen/arch/x86/msr.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/xen/arch/x86/msr.c b/xen/arch/x86/msr.c index ad75a2e108..d10891dcfc 100644 --- a/xen/arch/x86/msr.c +++ b/xen/arch/x86/msr.c @@ -169,9 +169,9 @@ int guest_rdmsr(struct vcpu *v, uint32_t msr, uint64_t = *val) break; =20 case MSR_IA32_PLATFORM_ID: - if ( !(cp->x86_vendor & X86_VENDOR_INTEL) || - !(boot_cpu_data.x86_vendor & X86_VENDOR_INTEL) ) + if ( boot_cpu_data.vendor !=3D X86_VENDOR_INTEL ) goto gp_fault; + rdmsrl(MSR_IA32_PLATFORM_ID, *val); break; =20 @@ -189,9 +189,7 @@ int guest_rdmsr(struct vcpu *v, uint32_t msr, uint64_t = *val) * from Xen's last microcode load, which can be forwarded straight= to * the guest. */ - if ( !(cp->x86_vendor & (X86_VENDOR_INTEL | X86_VENDOR_AMD)) || - !(boot_cpu_data.x86_vendor & - (X86_VENDOR_INTEL | X86_VENDOR_AMD)) || + if ( !(boot_cpu_data.vendor & (X86_VENDOR_INTEL | X86_VENDOR_AMD))= || rdmsr_safe(MSR_AMD_PATCHLEVEL, val) ) goto gp_fault; break; --=20 2.43.0