Patch "perf intel-pt: Fix async branch flags" has been added to the 4.19-stable tree

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

    perf intel-pt: Fix async branch flags

to the 4.19-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-fix-async-branch-flags.patch
and it can be found in the queue-4.19 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit b379d6abd4b2d4c2bafd5bad39fcc6bc4580500f
Author: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Date:   Thu Sep 28 10:29:53 2023 +0300

    perf intel-pt: Fix async branch flags
    
    [ Upstream commit f2d87895cbc4af80649850dcf5da36de6b2ed3dd ]
    
    Ensure PERF_IP_FLAG_ASYNC is set always for asynchronous branches (i.e.
    interrupts etc).
    
    Fixes: 90e457f7be08 ("perf tools: Add Intel PT support")
    Cc: stable@xxxxxxxxxxxxxxx
    Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
    Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>
    Link: https://lore.kernel.org/r/20230928072953.19369-1-adrian.hunter@xxxxxxxxx
    Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index e073c7108c6c9..92b9921568f5d 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -901,9 +901,11 @@ static void intel_pt_sample_flags(struct intel_pt_queue *ptq)
 	} else if (ptq->state->flags & INTEL_PT_ASYNC) {
 		if (!ptq->state->to_ip)
 			ptq->flags = PERF_IP_FLAG_BRANCH |
+				     PERF_IP_FLAG_ASYNC |
 				     PERF_IP_FLAG_TRACE_END;
 		else if (ptq->state->from_nr && !ptq->state->to_nr)
 			ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL |
+				     PERF_IP_FLAG_ASYNC |
 				     PERF_IP_FLAG_VMEXIT;
 		else
 			ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL |



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