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Patch "perf intel-pt: Ensure IP is zero when state is INTEL_PT_STATE_NO_IP" has been added to the 4.9-stable tree

PATCH [email protected] 1 participant 1 message Jul 22, 2017

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This is a note to let you know that I've just added the patch titled

perf intel-pt: Ensure IP is zero when state is INTEL_PT_STATE_NO_IP

to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
perf-intel-pt-ensure-ip-is-zero-when-state-is-intel_pt_state_no_ip.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From ad7167a8cd174ba7d8c0d0ed8d8410521206d104 Mon Sep 17 00:00:00 2001

From: Adrian Hunter <[email protected]>
Date: Fri, 26 May 2017 11:17:05 +0300
Subject: perf intel-pt: Ensure IP is zero when state is INTEL_PT_STATE_NO_IP

From: Adrian Hunter <[email protected]>

commit ad7167a8cd174ba7d8c0d0ed8d8410521206d104 upstream.

A value of zero is used to indicate that there is no IP. Ensure the value is zero when the state is INTEL_PT_STATE_NO_IP.

---
 tools/perf/util/intel-pt-decoder/intel-pt-decoder.c |    1 +
 1 file changed, 1 insertion(+)
tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +1 -0
@@ -2115,6 +2115,7 @@ const struct intel_pt_state *intel_pt_de
 			break;
 		case INTEL_PT_STATE_NO_IP:
 			decoder->last_ip = 0;
+			decoder->ip = 0;
 			/* Fall through */
 		case INTEL_PT_STATE_ERR_RESYNC:
 			err = intel_pt_sync_ip(decoder);

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/perf-intel-pt-ensure-ip-is-zero-when-state-is-intel_pt_state_no_ip.patch queue-4.9/perf-intel-pt-ensure-never-to-set-last_ip-when-packet-count-is-zero.patch queue-4.9/perf-intel-pt-use-fup-always-when-scanning-for-an-ip.patch queue-4.9/perf-intel-pt-fix-last_ip-usage.patch queue-4.9/perf-intel-pt-move-decoder-error-setting-into-one-condition.patch queue-4.9/perf-intel-pt-clear-fup-flag-on-error.patch queue-4.9/perf-intel-pt-improve-sample-timestamp.patch queue-4.9/perf-intel-pt-fix-missing-stack-clear.patch