Re: [Qemu-devel] how to pass pcid to guest?

2018-01-10 Thread Daniel P. Berrange
On Mon, Jan 08, 2018 at 04:07:53PM -0600, Eric Blake wrote: > On 01/08/2018 02:03 PM, Stefan Priebe - Profihost AG wrote: > > Hello, > > > > for meltdown mitigation and performance it's important to have the pcid > > flag passed down to the guest (f.e. > >

Re: [Qemu-devel] how to pass pcid to guest?

2018-01-09 Thread Stefan Priebe - Profihost AG
Am 08.01.2018 um 23:07 schrieb Eric Blake: > On 01/08/2018 02:03 PM, Stefan Priebe - Profihost AG wrote: >> Hello, >> >> for meltdown mitigation and performance it's important to have the pcid >> flag passed down to the guest (f.e. >>

Re: [Qemu-devel] how to pass pcid to guest?

2018-01-08 Thread Eric Blake
On 01/08/2018 02:03 PM, Stefan Priebe - Profihost AG wrote: > Hello, > > for meltdown mitigation and performance it's important to have the pcid > flag passed down to the guest (f.e. > https://groups.google.com/forum/m/#!topic/mechanical-sympathy/L9mHTbeQLNU). Indeed; you are still waiting on

[Qemu-devel] how to pass pcid to guest?

2018-01-08 Thread Stefan Priebe - Profihost AG
Hello, for meltdown mitigation and performance it's important to have the pcid flag passed down to the guest (f.e. https://groups.google.com/forum/m/#!topic/mechanical-sympathy/L9mHTbeQLNU). My host shows the flag: # grep ' pcid ' /proc/cpuinfo | wc -l 56 But the guest does not: # grep pcid