Commit 8d921acf authored by Sean Christopherson's avatar Sean Christopherson Committed by Paolo Bonzini

KVM: VMX: Use precomputed MAXPHYADDR for RTIT base MSR check

Use cpuid_maxphyaddr() instead of cpuid_query_maxphyaddr() for the
RTIT base MSR check.  There is no reason to recompute MAXPHYADDR as the
precomputed version is synchronized with CPUID updates, and
MSR_IA32_RTIT_OUTPUT_BASE is not written between stuffing CPUID and
refreshing vcpu->arch.maxphyaddr.
Signed-off-by: default avatarSean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200924194250.19137-2-sean.j.christopherson@intel.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 28e2b2f1
......@@ -147,7 +147,7 @@ module_param_named(preemption_timer, enable_preemption_timer, bool, S_IRUGO);
RTIT_STATUS_BYTECNT))
#define MSR_IA32_RTIT_OUTPUT_BASE_MASK \
(~((1UL << cpuid_query_maxphyaddr(vcpu)) - 1) | 0x7f)
(~((1UL << cpuid_maxphyaddr(vcpu)) - 1) | 0x7f)
/*
* These 2 parameters are used to config the controls for Pause-Loop Exiting:
......
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