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authorLike Xu2022-05-18 21:25:11 +0800
committerPaolo Bonzini2022-06-08 04:49:03 -0400
commit08dca7a8e73abfeb3a998714272d1d1c974b0190 (patch)
tree6ba8ca23d18dff539be88b5044138a8cdb62b968 /fs/coda/sysctl.c
parentdc852ff5bb419195c7d64cfcbe26f747490fca14 (diff)
KVM: x86/pmu: Replace pmc_perf_hw_id() with perf_get_hw_event_config()
With the help of perf_get_hw_event_config(), KVM could query the correct EVENTSEL_{EVENT, UMASK} pair of a kernel-generic hw event directly from the different *_perfmon_event_map[] by the kernel's pre-defined perf_hw_id. Also extend the bit range of the comparison field to AMD64_RAW_EVENT_MASK_NB to prevent AMD from defining EventSelect[11:8] into perfmon_event_map[] one day. Signed-off-by: Like Xu <likexu@tencent.com> Message-Id: <20220518132512.37864-11-likexu@tencent.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'fs/coda/sysctl.c')
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