Re: [PATCH v4 00/17] x86/split_lock: Enable #AC exception for split locked accesses

From: Fenghua Yu
Date: Mon Mar 04 2019 - 19:13:50 EST


On Mon, Mar 04, 2019 at 04:55:05PM -0500, Konrad Rzeszutek Wilk wrote:
> > This capability may also find usage in cloud. A user process with split
> > lock running in one guest can block other cores from accessing shared
> > memory during its split locked memory access. That may cause overall
> > system performance degradation.
>
> "shared memory" ? As in memory shared between two guests?

Maybe I should remove the "shared" here.

Thanks.

-Fenghua