[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] 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? Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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