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Subject[tip:perf/core] perf symbols: Use map->prot in place of type==MAP__FUNCTION
Commit-ID:  e9814df8645d82b6c5d185537f9510028e35c385
Gitweb: https://git.kernel.org/tip/e9814df8645d82b6c5d185537f9510028e35c385
Author: Arnaldo Carvalho de Melo <acme@redhat.com>
AuthorDate: Thu, 26 Apr 2018 16:11:47 -0300
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 26 Apr 2018 16:15:08 -0300

perf symbols: Use map->prot in place of type==MAP__FUNCTION

Its equivalent, one less use of enum map_type.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-6m18iv1ty7nh7kxlfmn89sgz@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/symbol.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index e1fd236c96d3..fe0e0d84a586 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -5,6 +5,7 @@
#include <stdio.h>
#include <string.h>
#include <linux/kernel.h>
+#include <linux/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/param.h>
@@ -1217,7 +1218,7 @@ static int dso__load_kcore(struct dso *dso, struct map *map,
}

/* Read new maps into temporary lists */
- err = file__read_maps(fd, md.type == MAP__FUNCTION, kcore_mapfn, &md,
+ err = file__read_maps(fd, map->prot & PROT_EXEC, kcore_mapfn, &md,
&is_64_bit);
if (err)
goto out_err;
@@ -1285,7 +1286,7 @@ static int dso__load_kcore(struct dso *dso, struct map *map,

close(fd);

- if (map->type == MAP__FUNCTION)
+ if (map->prot & PROT_EXEC)
pr_debug("Using %s for kernel object code\n", kcore_filename);
else
pr_debug("Using %s for kernel data\n", kcore_filename);
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