GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-27 09:02:06 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

KVM: x86: Uncondtionally skip MMU sync/TLB flush in MOV CR3's PGD switch

Browse source 
Stop leveraging the MMU sync and TLB flush requested by the fast PGD
switch helper now that kvm_set_cr3() manually handles the necessary sync,
frees, and TLB flush.  This will allow dropping the params from the fast
PGD helpers since nested SVM is now the odd blob out.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210609234235.1244004-6-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2021-06-09 16:42:25 -07:00 • committed by Paolo Bonzini
parent 21823fbda5
commit 415b1a0105
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
arch/x86/kvm/x86.c
View file

@ -1115,7 +1115,7 @@ int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3)
return 1;
if (cr3 != kvm_read_cr3(vcpu))
kvm_mmu_new_pgd(vcpu, cr3, skip_tlb_flush, skip_tlb_flush);
kvm_mmu_new_pgd(vcpu, cr3, true, true);
vcpu->arch.cr3 = cr3;
kvm_register_mark_available(vcpu, VCPU_EXREG_CR3);