From ef050dc0390176ec6888f373edb776587c88be3d Mon Sep 17 00:00:00 2001 From: Gleb Natapov Date: Wed, 28 Apr 2010 19:15:40 +0300 Subject: [PATCH] KVM: x86 emulator: set RFLAGS outside x86 emulator code Removes the need for set_flags() callback. Signed-off-by: Gleb Natapov Signed-off-by: Avi Kivity --- arch/x86/include/asm/kvm_emulate.h | 1 - arch/x86/kvm/emulate.c | 1 - arch/x86/kvm/x86.c | 7 +------ 3 files changed, 1 insertion(+), 8 deletions(-) diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index b7e00cb21c6e..a87d95f09572 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -142,7 +142,6 @@ struct x86_emulate_ops { ulong (*get_cr)(int cr, struct kvm_vcpu *vcpu); int (*set_cr)(int cr, ulong val, struct kvm_vcpu *vcpu); int (*cpl)(struct kvm_vcpu *vcpu); - void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags); int (*get_dr)(int dr, unsigned long *dest, struct kvm_vcpu *vcpu); int (*set_dr)(int dr, unsigned long value, struct kvm_vcpu *vcpu); int (*set_msr)(struct kvm_vcpu *vcpu, u32 msr_index, u64 data); diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 437f31bcffea..291e220c69a5 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -3034,7 +3034,6 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) /* Commit shadow register state. */ memcpy(ctxt->vcpu->arch.regs, c->regs, sizeof c->regs); ctxt->eip = c->eip; - ops->set_rflags(ctxt->vcpu, ctxt->eflags); done: return (rc == X86EMUL_UNHANDLEABLE) ? -1 : 0; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 8f45cc712dda..04ca343ee512 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3806,11 +3806,6 @@ static void emulator_set_segment_selector(u16 sel, int seg, kvm_set_segment(vcpu, &kvm_seg, seg); } -static void emulator_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags) -{ - kvm_x86_ops->set_rflags(vcpu, rflags); -} - static struct x86_emulate_ops emulate_ops = { .read_std = kvm_read_guest_virt_system, .write_std = kvm_write_guest_virt_system, @@ -3829,7 +3824,6 @@ static struct x86_emulate_ops emulate_ops = { .get_cr = emulator_get_cr, .set_cr = emulator_set_cr, .cpl = emulator_get_cpl, - .set_rflags = emulator_set_rflags, .get_dr = emulator_get_dr, .set_dr = emulator_set_dr, .set_msr = kvm_set_msr, @@ -3941,6 +3935,7 @@ int emulate_instruction(struct kvm_vcpu *vcpu, shadow_mask = vcpu->arch.emulate_ctxt.interruptibility; kvm_x86_ops->set_interrupt_shadow(vcpu, shadow_mask); + kvm_x86_ops->set_rflags(vcpu, vcpu->arch.emulate_ctxt.eflags); kvm_rip_write(vcpu, vcpu->arch.emulate_ctxt.eip); if (vcpu->arch.pio.count) { -- GitLab