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Re: [Xen-devel] [PATCH] x86/vpmu: fix vpmu can't enabled in guest

> >>> On 14.02.17 at 03:19, <luwei.kang@xxxxxxxxx> wrote:
> > vpmu_enable() can not use for check if vpmu is enabled in guest during
> > booting up. Because linux kernel get the status of if supported pmu is
> > earler than xen vpmu initialise. vpmu_enable() will return false even
> > if vpmu has been enabled in guest.
> >
> > Signed-off-by: Luwei Kang <luwei.kang@xxxxxxxxx>
> You've probably seen Boris' patch with the same overall goal. While his looks 
> to leave things a little too strict, yours looks to be widening
> things a little too much. Do both of you think we could find a middle ground, 
> or do we need to accept the effect of possibly misleading
> the guest by surfacing the CPUID data independent of vPMU mode, as is done 
> here?
Sorry, I didn't check the mail list on time and don't know somebody is working 
on this.  I think Boris' patch is better than me.

Luwei Kang

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