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authorLinus Torvalds <torvalds@linux-foundation.org>2014-04-06 08:11:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-06 08:11:57 -0700
commit18a1a7a1d862ae0794a0179473d08a414dd49234 (patch)
tree013ffe8b7fbbe9169801d0be1a780ee9bf53c08e /tools/perf/perf.h
parent04535d273ee3edacd9551b2512b4e939ba20277f (diff)
parent5eb0bdf84433eb7b7ad4ba92a80aac57ad4b46ea (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull arch/tile updates from Chris Metcalf: "These fix a few stray build issues seen in linux-next, and also add the minimal required support for perf to tilegx" * git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: arch/tile: remove unused variable 'devcap' tile: Fix vDSO compilation issue with allyesconfig perf tools: Allow building for tile tile/perf: Support perf_events on tilegx and tilepro tile: Enable NMIs on return from handle_nmi() without errors tile: Add support for handling PMC hardware tile: don't use __get_cpu_var() with structure-typed arguments tile: avoid overflow in ns2cycles
Diffstat (limited to 'tools/perf/perf.h')
-rw-r--r--tools/perf/perf.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index e18a8b5e6953..5c11ecad02a9 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -145,6 +145,14 @@
#define CPUINFO_PROC "core ID"
#endif
+#ifdef __tile__
+#define mb() asm volatile ("mf" ::: "memory")
+#define wmb() asm volatile ("mf" ::: "memory")
+#define rmb() asm volatile ("mf" ::: "memory")
+#define cpu_relax() asm volatile ("mfspr zero, PASS" ::: "memory")
+#define CPUINFO_PROC "model name"
+#endif
+
#define barrier() asm volatile ("" ::: "memory")
#ifndef cpu_relax