[pve-devel] cpuflag: pcid needed in guest for good performance after meltdown

[Michael Rasmussen]

On Tue, 9 Jan 2018 19:04:29 +0100 (CET)
Alexandre DERUMIER <aderumier at odiso.com> wrote:

> >>Is this an Intel only cpu flag?  
> 
> Yes, I think that it's only an intel flag.
> 
> I'm not sure that amd will be impacted by the kernel patch anyway. (related to pcid)
> 
> I have some opterons to test, I'll try next week.
All my Opterons show either no effect or only marginally performance
hits

attached a week average for my mail server.

-- 
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Michael Rasmussen

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