This is fine. As if the delta between them using INIT vs. that of using IPI is close to be same, it is fine. I mean under the situation of LAPIC passthru, the VM can still issue INIT/SIPI signal to re

Hi Minggui: Did u see any latency difference with INIT signal? BTW, do we test the guest issued normal INIT/SIPI usage? Make sure it work well, though not directly related to this patch. Thx Eddie

Acked-by: Eddie Dong <eddie.dong@...>

Acked-by: Eddie Dong <eddie.dong@...>

Reviewed-by: Eddie Dong <eddie.dong@...> Please get +1 from Wang Yu too.

Acked-by: Eddie Dong <eddie.dong@...>

Oh, I am talking about memcpy_erms & memcpy_tail_to_head/memcpy_rev BTW, I forgot where does ERM come from.

Acked-by: Eddie Dong <eddie.dong@...>

I am not sure if this is MOVE or not. MOVE means using a temporary buffer to hold the source bytes? To me, memcpy is fine.

Why we need this kind of difference? I am not convinced/