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Date:   Sat, 15 Feb 2020 08:41:52 -0000
From:   "tip-bot2 for Jiri Olsa" <tip-bot2@linutronix.de>
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Subject: [tip: perf/urgent] perf maps: Mark ksymbol DSOs with kernel type
Cc:     Ravi Bangoria <ravi.bangoria@linux.ibm.com>,
        Jiri Olsa <jolsa@kernel.org>,
        Kim Phillips <kim.phillips@amd.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Michael Petlan <mpetlan@redhat.com>,
        Namhyung Kim <namhyung@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Arnaldo Carvalho de Melo <acme@redhat.com>,
        x86 <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>
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The following commit has been merged into the perf/urgent branch of tip:

Commit-ID:     4a4eb6154d67f7766cc7eb74e9f1db424073e832
Gitweb:        https://git.kernel.org/tip/4a4eb6154d67f7766cc7eb74e9f1db424073e832
Author:        Jiri Olsa <jolsa@redhat.com>
AuthorDate:    Mon, 10 Feb 2020 21:08:47 +01:00
Committer:     Arnaldo Carvalho de Melo <acme@redhat.com>
CommitterDate: Tue, 11 Feb 2020 16:41:49 -03:00

perf maps: Mark ksymbol DSOs with kernel type

We add ksymbol map into machine->kmaps, so it needs to be created as
'struct kmap', which is dependent on its dso having kernel type.

Reported-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Tested-by: Kim Phillips <kim.phillips@amd.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20200210200847.GA36715@krava
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/machine.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index e3e5490..0ad0265 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -727,9 +727,17 @@ static int machine__process_ksymbol_register(struct machine *machine,
 	struct map *map = maps__find(&machine->kmaps, event->ksymbol.addr);
 
 	if (!map) {
-		map = dso__new_map(event->ksymbol.name);
-		if (!map)
+		struct dso *dso = dso__new(event->ksymbol.name);
+
+		if (dso) {
+			dso->kernel = DSO_TYPE_KERNEL;
+			map = map__new2(0, dso);
+		}
+
+		if (!dso || !map) {
+			dso__put(dso);
 			return -ENOMEM;
+		}
 
 		map->start = event->ksymbol.addr;
 		map->end = map->start + event->ksymbol.len;