Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent fixes from Arnaldo Carvalho de Melo:

 * Validate syscall id before growing syscall table in 'trace', fixing potential
   excessive memory usage.

 * Validate perf_sample.raw_data, making 'trace' more robust, avoiding some
   potential SEGFAULTs when reading tracepoint fields.

 * Fix exclude_guest parse events 'perf test's, from Jiri Olsa.

 * Do not flush maps on COMM, that is sent by the kernel when a process is
   exec'ed, but also when a process changes its name. Since we were assuming
   a COMM always meant an EXEC, we were losing track of a process maps by
   flushing its maps. Fix from Luigi Semenzato.

 * A recent patch introduced a problem by not initializing what should be
   the first kind of pager to use, 'man', instead it was being left as zero
   which means no pager. This caused 'perf subcmd --help' to produce no output.
   Fix from Namhyung Kim.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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