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Message-Id: <20231005190451.175568-6-adrian.hunter@intel.com>
Date: Thu, 5 Oct 2023 22:04:51 +0300
From: Adrian Hunter <adrian.hunter@...el.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
Ian Rogers <irogers@...gle.com>, linux-kernel@...r.kernel.org,
linux-perf-users@...r.kernel.org
Subject: [PATCH 5/5] perf intel-pt: Prefer get_unaligned_le64 to memcpy_le64
Use get_unaligned_le64() instead of memcpy_le64(..., 8) because it produces
simpler code.
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
index 7a90218aecb1..bccb988a7a44 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
@@ -190,7 +190,7 @@ static int intel_pt_get_mnt(const unsigned char *buf, size_t len,
if (len < 11)
return INTEL_PT_NEED_MORE_BYTES;
packet->type = INTEL_PT_MNT;
- memcpy_le64(&packet->payload, buf + 3, 8);
+ packet->payload = get_unaligned_le64(buf + 3);
return 11;
}
@@ -302,7 +302,7 @@ static int intel_pt_get_bip_8(const unsigned char *buf, size_t len,
return INTEL_PT_NEED_MORE_BYTES;
packet->type = INTEL_PT_BIP;
packet->count = buf[0] >> 3;
- memcpy_le64(&packet->payload, buf + 1, 8);
+ packet->payload = get_unaligned_le64(buf + 1);
return 9;
}
@@ -341,7 +341,7 @@ static int intel_pt_get_evd(const unsigned char *buf, size_t len,
packet->type = INTEL_PT_EVD;
packet->count = buf[2] & 0x3f;
packet->payload = buf[3];
- memcpy_le64(&packet->payload, buf + 3, 8);
+ packet->payload = get_unaligned_le64(buf + 3);
return 11;
}
--
2.34.1
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