Re: [PATCH 0/4] KVM: x86: hyper-v: XMM fast hypercalls fixes

[Paolo Bonzini <pbonzini@xxxxxxxxxx>]

On 2/25/22 14:13, Vitaly Kuznetsov wrote:
> Let's say we have 1 half of XMM0 consumed. Now:
>
>   i = 0;
>   j = 1;
>   if (1)
>       sparse_banks[0] = sse128_lo(hc->xmm[0]);
>
>   This doesn't look right as we need to get the upper half of XMM0.
>
>   I guess it should be reversed,
>
>       if (j % 2)
>           sparse_banks[i] = sse128_hi(hc->xmm[j / 2]);
>       else
>           sparse_banks[i] = sse128_lo(hc->xmm[j / 2]);

Yeah, of course.

Thanks!

Paolo