Re: [PATCH] x86: Add an explicit barrier() to clflushopt()

From: H. Peter Anvin
Date: Sat Jan 09 2016 - 00:56:48 EST


On 01/07/16 14:32, H. Peter Anvin wrote:
>
> Nevermind. CLFLUSH is not ordered with regards to CLFLUSHOPT to the
> same cache line.
>

*Except* to the same cache line, dammit.

-hpa