Re: [tip:x86/pti] x86/cpu: Remove the CONFIG_X86_PPRO_FENCE=y quirk

From: Peter Zijlstra
Date: Tue Mar 20 2018 - 08:51:30 EST


On Tue, Mar 20, 2018 at 04:04:49AM -0700, tip-bot for Christoph Hellwig wrote:

> x86/cpu: Remove the CONFIG_X86_PPRO_FENCE=y quirk
>
> There were only a few Pentium Pro multiprocessors systems where this
> errata applied. They are more than 20 years old now, and we've slowly
> dropped places which put the workarounds in and discouraged anyone
> from enabling the workaround.
>
> Get rid of it for good.

Hoorah!! x86 is back to pure TSO.