On Tue, Sep 20, 2022 at 10:46 AM Aaron Lewis <aaronlewis@xxxxxxxxxx> wrote: > > Test that masked events are not using invalid bits, and if they are, > ensure the pmu event filter is not accepted by KVM_SET_PMU_EVENT_FILTER. > The only valid bits that can be used for masked events are set when > using KVM_PMU_EVENT_ENCODE_MASKED_EVENT() with one exception: If any > of the high bits (11:8) of the event select are set when using Intel, > the PMU event filter will fail. > > Also, because validation was not being done prior to the introduction > of masked events, only expect validation to fail when masked events > are used. E.g. in the first test a filter event with all its bits set > is accepted by KVM_SET_PMU_EVENT_FILTER when flags = 0. > > Signed-off-by: Aaron Lewis <aaronlewis@xxxxxxxxxx> Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>
