Re: [PATCH v1 11/26] x86/sev: Invalidate pages from the direct map when adding them to the RMP table

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On Mon, Jan 15, 2024 at 10:06:39AM +0100, Borislav Petkov wrote:
> On Fri, Jan 12, 2024 at 09:27:45PM +0100, Vlastimil Babka wrote:
> > Yeah and last LSF/MM we concluded that it's not as a big disadvantage as we
> > previously thought https://lwn.net/Articles/931406/
> 
> How nice, thanks for that!
> 
> Do you have some refs to Mike's tests so that we could run them here too
> with SNP guests to see how big - if any - the fragmentation has.

I ran several tests from mmtests suite.

The tests results are here:
https://rppt.io/gfp-unmapped-bench/
 
> Thx.
> 
> -- 
> Regards/Gruss,
>     Boris.
> 
> https://people.kernel.org/tglx/notes-about-netiquette
> 

-- 
Sincerely yours,
Mike.




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