Re: [PATCH v1 2/2] perf/x86/kvm: Avoid unnecessary work in guest filtering

2018-10-06 Thread Thomas Gleixner
On Sat, 6 Oct 2018, Thomas Gleixner wrote: > On Fri, 5 Oct 2018, Andi Kleen wrote: > > Some time ago KVM added a workaround for PEBS events leaking > > into guests. This uses the KVM entry/exit list to add an extra > > disable of the PEBS_ENABLE MSR. > > > > Intel also added a fix for this issue

Re: [PATCH v1 2/2] perf/x86/kvm: Avoid unnecessary work in guest filtering

2018-10-06 Thread Thomas Gleixner
On Sat, 6 Oct 2018, Thomas Gleixner wrote: > On Fri, 5 Oct 2018, Andi Kleen wrote: > > Some time ago KVM added a workaround for PEBS events leaking > > into guests. This uses the KVM entry/exit list to add an extra > > disable of the PEBS_ENABLE MSR. > > > > Intel also added a fix for this issue

Re: [PATCH v1 2/2] perf/x86/kvm: Avoid unnecessary work in guest filtering

2018-10-06 Thread Thomas Gleixner
On Fri, 5 Oct 2018, Andi Kleen wrote: > Some time ago KVM added a workaround for PEBS events leaking > into guests. This uses the KVM entry/exit list to add an extra > disable of the PEBS_ENABLE MSR. > > Intel also added a fix for this issue to microcode updates on > Haswell/Broadwell/Skylake. >

Re: [PATCH v1 2/2] perf/x86/kvm: Avoid unnecessary work in guest filtering

2018-10-06 Thread Thomas Gleixner
On Fri, 5 Oct 2018, Andi Kleen wrote: > Some time ago KVM added a workaround for PEBS events leaking > into guests. This uses the KVM entry/exit list to add an extra > disable of the PEBS_ENABLE MSR. > > Intel also added a fix for this issue to microcode updates on > Haswell/Broadwell/Skylake. >