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authorThierry Reding <treding@nvidia.com>2014-11-26 09:41:09 +0100
committerThierry Reding <treding@nvidia.com>2014-11-26 09:42:11 +0100
commit7f06dd61248a75668bbb39b6fcca6ff407745df8 (patch)
tree30cefbd6f503d20557e24a1765a027687170a7da /tools/perf/util/unwind-libunwind.c
parentLinux 3.18-rc1 (diff)
parentpowerpc/iommu: Rename iommu_[un]map_sg functions (diff)
downloadlinux-dev-7f06dd61248a75668bbb39b6fcca6ff407745df8.tar.xz
linux-dev-7f06dd61248a75668bbb39b6fcca6ff407745df8.zip
Merge branch 'core' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
This branch contains a couple of changes that will conflict with the Tegra SMMU driver rewrite. Since the driver is largely rewritten the conflict resolution is non-trivial.
Diffstat (limited to 'tools/perf/util/unwind-libunwind.c')
-rw-r--r--tools/perf/util/unwind-libunwind.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index e060386165c5..4d45c0dfe343 100644
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -539,11 +539,23 @@ int unwind__prepare_access(struct thread *thread)
return -ENOMEM;
}
+ unw_set_caching_policy(addr_space, UNW_CACHE_GLOBAL);
thread__set_priv(thread, addr_space);
return 0;
}
+void unwind__flush_access(struct thread *thread)
+{
+ unw_addr_space_t addr_space;
+
+ if (callchain_param.record_mode != CALLCHAIN_DWARF)
+ return;
+
+ addr_space = thread__priv(thread);
+ unw_flush_cache(addr_space, 0, 0);
+}
+
void unwind__finish_access(struct thread *thread)
{
unw_addr_space_t addr_space;