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

[Wei Huang]

> 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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