diff options
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index a9a307a75465..f5f2d3d44577 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4459,6 +4459,12 @@ static void init_emulate_ctxt(struct kvm_vcpu *vcpu) struct decode_cache *c = &vcpu->arch.emulate_ctxt.decode; int cs_db, cs_l; + /* + * TODO: fix emulate.c to use guest_read/write_register + * instead of direct ->regs accesses, can save hundred cycles + * on Intel for instructions that don't read/change RSP, for + * for example. + */ cache_all_regs(vcpu); kvm_x86_ops->get_cs_db_l_bits(vcpu, &cs_db, &cs_l); @@ -4562,14 +4568,6 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, kvm_clear_exception_queue(vcpu); - /* - * TODO: fix emulate.c to use guest_read/write_register - * instead of direct ->regs accesses, can save hundred cycles - * on Intel for instructions that don't read/change RSP, for - * for example. - */ - cache_all_regs(vcpu); - if (!(emulation_type & EMULTYPE_NO_DECODE)) { init_emulate_ctxt(vcpu); vcpu->arch.emulate_ctxt.interruptibility = 0; |