Re: [PATCH v2 2/4] KVM: x86: drop set_rflags callback

From: Wei Huang
Date: Sun May 25 2014 - 19:06:15 EST


> Not needed anymore now that the CPL is computed directly
> by the task switch code.
Given the current form, looks OK to me.

Reviewed-by: Wei Huang <huangwei.virt@xxxxxxxxx>
>
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> ---
> arch/x86/include/asm/kvm_emulate.h | 1 -
> arch/x86/kvm/x86.c | 6 ------
> 2 files changed, 7 deletions(-)
>
> diff --git a/arch/x86/include/asm/kvm_emulate.h
> b/arch/x86/include/asm/kvm_emulate.h
> index 24ec1216596e..a04fe4eb237d 100644
> --- a/arch/x86/include/asm/kvm_emulate.h
> +++ b/arch/x86/include/asm/kvm_emulate.h
> @@ -189,7 +189,6 @@ struct x86_emulate_ops {
> void (*set_idt)(struct x86_emulate_ctxt *ctxt, struct desc_ptr *dt);
> ulong (*get_cr)(struct x86_emulate_ctxt *ctxt, int cr);
> int (*set_cr)(struct x86_emulate_ctxt *ctxt, int cr, ulong val);
> - void (*set_rflags)(struct x86_emulate_ctxt *ctxt, ulong val);
> int (*cpl)(struct x86_emulate_ctxt *ctxt);
> int (*get_dr)(struct x86_emulate_ctxt *ctxt, int dr, ulong *dest);
> int (*set_dr)(struct x86_emulate_ctxt *ctxt, int dr, ulong value);
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index fb313fc896dd..57eac309c22e 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -4646,11 +4646,6 @@ static int emulator_set_cr(struct x86_emulate_ctxt
> *ctxt, int cr, ulong val)
> return res;
> }
>
> -static void emulator_set_rflags(struct x86_emulate_ctxt *ctxt, ulong val)
> -{
> - kvm_set_rflags(emul_to_vcpu(ctxt), val);
> -}
> -
> static int emulator_get_cpl(struct x86_emulate_ctxt *ctxt)
> {
> return kvm_x86_ops->get_cpl(emul_to_vcpu(ctxt));
> @@ -4835,7 +4830,6 @@ static const struct x86_emulate_ops emulate_ops = {
> .set_idt = emulator_set_idt,
> .get_cr = emulator_get_cr,
> .set_cr = emulator_set_cr,
> - .set_rflags = emulator_set_rflags,
> .cpl = emulator_get_cpl,
> .get_dr = emulator_get_dr,
> .set_dr = emulator_set_dr,
> --
> 1.8.3.1
>
>
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