Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Ingo Molnar:
 "A number of PMU driver corner case fixes, a race fix, an event
  grouping fix, plus a bunch of tooling fixes/updates"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (30 commits)
  perf/x86/intel: Fix spurious NMI on fixed counter
  perf/core: Fix exclusive events' grouping
  perf/x86/amd/uncore: Set the thread mask for F17h L3 PMCs
  perf/x86/amd/uncore: Do not set 'ThreadMask' and 'SliceMask' for non-L3 PMCs
  perf/core: Fix race between close() and fork()
  perf intel-pt: Fix potential NULL pointer dereference found by the smatch tool
  perf intel-bts: Fix potential NULL pointer dereference found by the smatch tool
  perf script: Assume native_arch for pipe mode
  perf scripts python: export-to-sqlite.py: Fix DROP VIEW power_events_view
  perf scripts python: export-to-postgresql.py: Fix DROP VIEW power_events_view
  perf hists browser: Fix potential NULL pointer dereference found by the smatch tool
  perf cs-etm: Fix potential NULL pointer dereference found by the smatch tool
  perf parse-events: Remove unused variable: error
  perf parse-events: Remove unused variable 'i'
  perf metricgroup: Add missing list_del_init() when flushing egroups list
  perf tools: Use list_del_init() more thorougly
  perf tools: Use zfree() where applicable
  tools lib: Adopt zalloc()/zfree() from tools/perf
  perf tools: Move get_current_dir_name() cond prototype out of util.h
  perf namespaces: Move the conditional setns() prototype to namespaces.h
  ...