korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-14 15:54:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

KVM: SVM: Don't bother writing vmcb->save.rip at vCPU RESET/INIT

Browse Source 
Drop unnecessary initialization of vmcb->save.rip during vCPU RESET/INIT,
as svm_vcpu_run() unconditionally propagates VCPU_REGS_RIP to save.rip.

No true functional change intended.

Reviewed-by: Reiji Watanabe <reijiw@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210713163324.627647-21-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2021-07-13 09:32:58 -07:00 committed by Paolo Bonzini
parent 49d8665cc2
commit 9e90e215d9
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/x86/kvm/svm/svm.c
View File

@ -1253,8 +1253,7 @@ static void init_vmcb(struct kvm_vcpu *vcpu)
svm_set_efer(vcpu, 0);
save->dr6 = 0xffff0ff0;
kvm_set_rflags(vcpu, X86_EFLAGS_FIXED);
save->rip = 0x0000fff0;
vcpu->arch.regs[VCPU_REGS_RIP] = save->rip;
vcpu->arch.regs[VCPU_REGS_RIP] = 0x0000fff0;
/*
* svm_set_cr0() sets PG and WP and clears NW and CD on save->cr0.