.snip..
> @@ -1913,6 +1914,29 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu)
> }
>
> /*
> + * Check if MSR is intercepted for currently loaded MSR bitmap.
> + */
> +static bool msr_write_intercepted(struct kvm_vcpu *vcpu, u32 msr)
> +{
> + unsigned long *msr_bitmap;
> + int f = sizeof(unsigned long);
unsigned int
> +
> + if (!cpu_has_vmx_msr_bitmap())
> + return true;
> +
> + msr_bitmap = to_vmx(vcpu)->loaded_vmcs->msr_bitmap;
> +
> + if (msr <= 0x1fff) {
> + return !!test_bit(msr, msr_bitmap + 0x800 / f);
> + } else if ((msr >= 0xc0000000) && (msr <= 0xc0001fff)) {
> + msr &= 0x1fff;
> + return !!test_bit(msr, msr_bitmap + 0xc00 / f);
> + }
> +
> + return true;
> +}
with that:
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
