On 12/10/21 09:59, Like Xu wrote:
How about introducing a static "struct x86_pmu_capability" variable [1] so that we can(1) setup num_counters_fixed just once in the kvm_init_pmu_capability(), and(2) avoid repeated calls to perf_get_x86_pmu_capability() ;
Yes, that works.
[1] https://lore.kernel.org/kvm/20210806133802.3528-17-lingshan.zhu@xxxxxxxxx/By the way, do you need a re-based version of the guest PBES feature ?
Sure, please send one. Paolo