Re: [PATCH V3 2/4] misc: vop: do not allocate and reassign the used ring

From: Vincent Whitchurch
Date: Tue Oct 27 2020 - 12:57:16 EST


On Tue, Oct 27, 2020 at 08:05:43AM +0100, Sherry Sun wrote:
> Can you help test the patch about removing the codes of reassign used
> ring, and comment on the impact for Intel MIC platform? Thanks for
> any help.

I don't have access to MIC hardware myself, either.

But this patch is quite certainly going to break it since guests using a
kernel without the patch will not work with hosts with a kernel with the
patch.