perf: Drop guest callback (un)register stubs

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Drop perf's stubs for (un)registering guest callbacks now that KVM
registration of callbacks is hidden behind GUEST_PERF_EVENTS=y.  The only
other user is x86 XEN_PV, and x86 unconditionally selects PERF_EVENTS.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Link: https://lore.kernel.org/r/20211111020738.2512932-18-seanjc@google.com

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Sean Christopherson 2021-11-11 02:07:38 +00:00 • committed by Peter Zijlstra

parent 17ed14eba2

commit a9f4a6e92b

1 changed files with 0 additions and 5 deletions

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include/linux/perf_event.h

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