linux-kernel - [PATCH 09/52] perf symbols: Use __map__is_kernel() instead of ad-hoc equivalent code

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Message-Id: <20180502151942.20542-10-acme@kernel.org>
Date:   Wed,  2 May 2018 12:18:59 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     Clark Williams <williams@...hat.com>, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Wang Nan <wangnan0@...wei.com>
Subject: [PATCH 09/52] perf symbols: Use __map__is_kernel() instead of ad-hoc equivalent code

From: Arnaldo Carvalho de Melo <acme@...hat.com>

Shorter, should be equivalent code, use it.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: https://lkml.kernel.org/n/tip-q90olng8sfkvrnsrwu7xnul6@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/symbol.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 1466814ebada..2b6292cff719 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1163,7 +1163,6 @@ static int dso__load_kcore(struct dso *dso, struct map *map,
 			   const char *kallsyms_filename)
 {
 	struct map_groups *kmaps = map__kmaps(map);
-	struct machine *machine;
 	struct kcore_mapfn_data md;
 	struct map *old_map, *new_map, *replacement_map = NULL;
 	bool is_64_bit;
@@ -1174,10 +1173,8 @@ static int dso__load_kcore(struct dso *dso, struct map *map,
 	if (!kmaps)
 		return -EINVAL;
 
-	machine = kmaps->machine;
-
 	/* This function requires that the map is the kernel map */
-	if (map != machine->vmlinux_maps[map->type])
+	if (!__map__is_kernel(map))
 		return -EINVAL;
 
 	if (!filename_from_kallsyms_filename(kcore_filename, "kcore",
-- 
2.14.3