From: Leo Yan <leo.yan@linaro.org>
To: "Arnaldo Carvalho de Melo" <acme@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Adrian Hunter" <adrian.hunter@intel.com>,
"Ingo Molnar" <mingo@redhat.com>,
"Mark Rutland" <mark.rutland@arm.com>,
"Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
"Jiri Olsa" <jolsa@redhat.com>,
"Namhyung Kim" <namhyung@kernel.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Borislav Petkov" <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
"Mathieu Poirier" <mathieu.poirier@linaro.org>,
"Suzuki K Poulose" <suzuki.poulose@arm.com>,
"Mike Leach" <mike.leach@linaro.org>,
"Michael Petlan" <mpetlan@redhat.com>,
"Frank Ch. Eigler" <fche@redhat.com>,
"Song Liu" <songliubraving@fb.com>,
x86@kernel.org, "Daniel Díaz" <daniel.diaz@linaro.org>,
"Andrii Nakryiko" <andriin@fb.com>,
"Alexei Starovoitov" <ast@kernel.org>,
"Sedat Dilek" <sedat.dilek@gmail.com>,
"Andi Kleen" <ak@linux.intel.com>,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
coresight@lists.linaro.org
Cc: Leo Yan <leo.yan@linaro.org>
Subject: [PATCH v5 8/9] perf: Cleanup for HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
Date: Mon, 9 Aug 2021 19:14:06 +0800 [thread overview]
Message-ID: <20210809111407.596077-9-leo.yan@linaro.org> (raw)
In-Reply-To: <20210809111407.596077-1-leo.yan@linaro.org>
Since the __sync functions have been dropped, This patch removes unused
build and checking for HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT in perf tool.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
tools/perf/Makefile.config | 4 ----
tools/perf/util/auxtrace.c | 5 -----
2 files changed, 9 deletions(-)
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index eb8e487ef90b..4a0d9a6defc7 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -349,10 +349,6 @@ CXXFLAGS += $(INC_FLAGS)
LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
-ifeq ($(feature-sync-compare-and-swap), 1)
- CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
-endif
-
ifeq ($(feature-pthread-attr-setaffinity-np), 1)
CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
endif
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index 2dcf3d12ba32..f33f09b8b535 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -130,11 +130,6 @@ int auxtrace_mmap__mmap(struct auxtrace_mmap *mm,
return 0;
}
-#if BITS_PER_LONG != 64 && !defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT)
- pr_err("Cannot use AUX area tracing mmaps\n");
- return -1;
-#endif
-
pc->aux_offset = mp->offset;
pc->aux_size = mp->len;
--
2.25.1
next prev parent reply other threads:[~2021-08-09 11:15 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-09 11:13 [PATCH v5 0/9] perf: Refine barriers for AUX ring buffer Leo Yan
2021-08-09 11:13 ` [PATCH v5 1/9] perf/ring_buffer: Add comment for barriers on " Leo Yan
2021-08-29 10:51 ` Leo Yan
2021-08-09 11:14 ` [PATCH v5 2/9] coresight: tmc-etr: Add barrier after updating " Leo Yan
2021-08-29 10:55 ` Leo Yan
2021-09-14 9:08 ` Suzuki K Poulose
2021-08-09 11:14 ` [PATCH v5 3/9] coresight: tmc-etf: Add comment for store ordering Leo Yan
2021-09-14 8:24 ` Suzuki K Poulose
2021-08-09 11:14 ` [PATCH v5 4/9] perf/x86: Add compiler barrier after updating BTS Leo Yan
2021-08-29 10:56 ` Leo Yan
2021-09-14 9:51 ` Peter Zijlstra
2021-09-14 10:05 ` Leo Yan
2021-09-14 11:47 ` Peter Zijlstra
2021-09-17 15:10 ` [tip: perf/core] " tip-bot2 for Leo Yan
2021-08-09 11:14 ` [PATCH v5 5/9] perf auxtrace: Use WRITE_ONCE() for updating aux_tail Leo Yan
2021-08-09 19:59 ` Arnaldo Carvalho de Melo
2021-08-09 11:14 ` [PATCH v5 6/9] perf auxtrace: Drop legacy __sync functions Leo Yan
2021-08-09 20:00 ` Arnaldo Carvalho de Melo
2021-08-09 11:14 ` [PATCH v5 7/9] perf auxtrace: Remove auxtrace_mmap__read_snapshot_head() Leo Yan
2021-08-09 20:01 ` Arnaldo Carvalho de Melo
2021-08-09 11:14 ` Leo Yan [this message]
2021-08-09 20:02 ` [PATCH v5 8/9] perf: Cleanup for HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT Arnaldo Carvalho de Melo
2021-08-09 11:14 ` [PATCH v5 9/9] tools: Remove feature-sync-compare-and-swap feature detection Leo Yan
2021-08-09 20:02 ` Arnaldo Carvalho de Melo
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