On Wed, Dec 06, 2017 at 02:43:02PM +0300, Jan Dakinevich wrote: > This patch introduces globally visible intel_pmu_lbr_fill() routine, > which gathers information which LBR MSRs are support for specific CPU > family/model. > > It is supposed that the routine would be used in KVM code, using guest > CPU information as an input. By this reason, it should not have any side > effect which could affect host system. > > * LBR information moved to separate structure `struct x86_pmu_lbr'; > * All family-specific tweaks on gathered information are applied only > for global x86_pmu.lbr to keep current perf initialization behavior. > > Signed-off-by: Jan Dakinevich <jan.dakinevich@xxxxxxxxxxxxx> Hurch, that's a lot of churn. Nothing bad stood out though.
