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* [PATCH] perf intel-pt: Fix packet decoding of CYC packets
@ 2018-06-07 11:30 Adrian Hunter
  2018-06-13 20:02 ` Arnaldo Carvalho de Melo
  2018-06-26  6:54 ` [tip:perf/urgent] " tip-bot for Adrian Hunter
  0 siblings, 2 replies; 3+ messages in thread
From: Adrian Hunter @ 2018-06-07 11:30 UTC (permalink / raw)
  To: Arnaldo Carvalho de Melo; +Cc: Jiri Olsa, linux-kernel

Use a 64-bit type so that the cycle count is not limited to 32-bits.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
---
 tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 ba4c9dd18643..d426761a549d 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
@@ -366,7 +366,7 @@ static int intel_pt_get_cyc(unsigned int byte, const unsigned char *buf,
 		if (len < offs)
 			return INTEL_PT_NEED_MORE_BYTES;
 		byte = buf[offs++];
-		payload |= (byte >> 1) << shift;
+		payload |= ((uint64_t)byte >> 1) << shift;
 	}
 
 	packet->type = INTEL_PT_CYC;
-- 
1.9.1

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2018-06-07 11:30 [PATCH] perf intel-pt: Fix packet decoding of CYC packets Adrian Hunter
2018-06-13 20:02 ` Arnaldo Carvalho de Melo
2018-06-26  6:54 ` [tip:perf/urgent] " tip-bot for Adrian Hunter

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