diff options
| author | Ian Rogers <irogers@google.com> | 2023-10-25 01:23:07 +0300 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2023-10-25 23:37:22 +0300 |
| commit | 78c32f4cb12f9430e29402118635dcf972b7d325 (patch) | |
| tree | cb7dfd433eb0341dff198952f969daff3f5d6d1d /tools/perf/util/callchain.c | |
| parent | 75265320d290c5f5891f16967b94883676c46705 (diff) | |
| download | linux-78c32f4cb12f9430e29402118635dcf972b7d325.tar.xz | |
libperf rc_check: Add RC_CHK_EQUAL
Comparing pointers with reference count checking is tricky to avoid a
SEGV. Add a convenience macro to simplify and use.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Sandipan Das <sandipan.das@amd.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: James Clark <james.clark@arm.com>
Cc: Nick Terrell <terrelln@fb.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Changbin Du <changbin.du@huawei.com>
Cc: liuwenyu <liuwenyu7@huawei.com>
Cc: Yang Jihong <yangjihong1@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Song Liu <song@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Yanteng Si <siyanteng@loongson.cn>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Link: https://lore.kernel.org/r/20231024222353.3024098-5-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'tools/perf/util/callchain.c')
| -rw-r--r-- | tools/perf/util/callchain.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c index aee937d14fbb..18d545c0629e 100644 --- a/tools/perf/util/callchain.c +++ b/tools/perf/util/callchain.c @@ -1142,7 +1142,7 @@ int fill_callchain_info(struct addr_location *al, struct callchain_cursor_node * if (al->map == NULL) goto out; } - if (RC_CHK_ACCESS(al->maps) == RC_CHK_ACCESS(machine__kernel_maps(machine))) { + if (RC_CHK_EQUAL(al->maps, machine__kernel_maps(machine))) { if (machine__is_host(machine)) { al->cpumode = PERF_RECORD_MISC_KERNEL; al->level = 'k'; |