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KVM: x86 emulator: avoid using ctxt->vcpu in check_perm() callbacks 

Unneeded for register access.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-04-20 15:01:23 +03:00
parent 2953538ebb
commit fe870ab9ce
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kvm/emulate.c
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@ -2720,7 +2720,7 @@ static int check_svme(struct x86_emulate_ctxt *ctxt)
static int check_svme_pa(struct x86_emulate_ctxt *ctxt)
{
u64 rax = kvm_register_read(ctxt->vcpu, VCPU_REGS_RAX);
u64 rax = ctxt->decode.regs[VCPU_REGS_RAX];
/* Valid physical address? */
if (rax & 0xffff000000000000)
@ -2742,7 +2742,7 @@ static int check_rdtsc(struct x86_emulate_ctxt *ctxt)
static int check_rdpmc(struct x86_emulate_ctxt *ctxt)
{
u64 cr4 = ctxt->ops->get_cr(ctxt, 4);
u64 rcx = kvm_register_read(ctxt->vcpu, VCPU_REGS_RCX);
u64 rcx = ctxt->decode.regs[VCPU_REGS_RCX];
if ((!(cr4 & X86_CR4_PCE) && ctxt->ops->cpl(ctxt)) ||
(rcx > 3))