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| author | Ingo Molnar | 2017-11-14 07:21:44 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2017-11-14 07:21:44 +0100 |
| commit | 050ab10a645097e47c01cfab3ccf24167e9b266b (patch) | |
| tree | 686b17c63933f187305a87fba696415dccd032ae /tools/perf/util/auxtrace.h | |
| parent | objtool: Fix cross-build (diff) | |
| parent | x86 / CPU: Avoid unnecessary IPIs in arch_freq_get_on_cpu() (diff) | |
| download | kernel-qcow2-linux-050ab10a645097e47c01cfab3ccf24167e9b266b.tar.gz kernel-qcow2-linux-050ab10a645097e47c01cfab3ccf24167e9b266b.tar.xz kernel-qcow2-linux-050ab10a645097e47c01cfab3ccf24167e9b266b.zip | |
Merge branch 'linus' into core/objtool, to pick up dependent commits
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/util/auxtrace.h')
| -rw-r--r-- | tools/perf/util/auxtrace.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h index 33b5e6cdf38c..d19e11b68de7 100644 --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -378,7 +378,7 @@ struct addr_filters { static inline u64 auxtrace_mmap__read_snapshot_head(struct auxtrace_mmap *mm) { struct perf_event_mmap_page *pc = mm->userpg; - u64 head = ACCESS_ONCE(pc->aux_head); + u64 head = READ_ONCE(pc->aux_head); /* Ensure all reads are done after we read the head */ rmb(); @@ -389,7 +389,7 @@ static inline u64 auxtrace_mmap__read_head(struct auxtrace_mmap *mm) { struct perf_event_mmap_page *pc = mm->userpg; #if BITS_PER_LONG == 64 || !defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT) - u64 head = ACCESS_ONCE(pc->aux_head); + u64 head = READ_ONCE(pc->aux_head); #else u64 head = __sync_val_compare_and_swap(&pc->aux_head, 0, 0); #endif |