Re: [PATCH 2/6] x86: bug: prevent gcc distortions

[Nadav Amit]

Borislav Petkov <bp@xxxxxxxxx> wrote:

> On Fri, May 18, 2018 at 02:36:21PM +0000, Nadav Amit wrote:
>> I didnât try too hard to find more affected (micro)benchmarks, but I am
>> pretty sure there are:
> 
> So you being pretty sure there are, doesn't make me go, oh, ok, then,
> this is an uglification we should try to live with. It is still ugly
> with no proven benefit from it.

In case you didnât read the cover-letter: the patch-set does give a 2%
performance improvement for #PF-MADV_DONTNEED microbenchmark loop.