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

Michael Rasmussen mir at datanom.net
Tue Jan 9 17:45:52 CET 2018


On Tue, 9 Jan 2018 16:31:40 +0100
Stefan Priebe - Profihost AG <s.priebe at profihost.ag> wrote:

> 
> Thanks! I would love to see it as a default for the specific qemu cpu
> models.
> 
> I mean we know exactly that sandybridge, ivybridge, ... support it or not?
> 
Is this an Intel only cpu flag?

lscpu |grep Model
Model:                 2
Model name:            AMD Opteron(tm) Processor 3350 HE

grep pcid /proc/cpuinfo

-- 
Hilsen/Regards
Michael Rasmussen

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