Re: [Xen-devel] [PATCH 4/9] x86/vvmx: Remove unnecessary VMX operand reads

["Jan Beulich" <JBeulich@xxxxxxxx>]

 >>> On 26.10.17 at 19:03, <euan.harris@xxxxxxxxxx> wrote:
> --- a/xen/arch/x86/hvm/vmx/vvmx.c
> +++ b/xen/arch/x86/hvm/vmx/vvmx.c
> @@ -1801,7 +1801,7 @@ int nvmx_handle_vmptrst(struct cpu_user_regs *regs)
>      unsigned long gpa = 0;
>      int rc;
>  
> -    rc = decode_vmx_inst(regs, &decode, &gpa, 0);
> +    rc = decode_vmx_inst(regs, &decode, NULL, 0);

You should then also drop gpa's initializer.

Jan


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