perf/x86: Save a few bytes in 'struct x86_pmu'
All these are basically boolean flags, use a bitfield to save a few bytes. Suggested-by: NBorislav Petkov <bp@amd64.org> Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-vsevd5g8lhcn129n3s7trl7r@git.kernel.orgSigned-off-by: NIngo Molnar <mingo@kernel.org>
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