Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf symbols: Avoid resolving [kernel.kallsyms] to real path for buildid cache
  perf symbols: Fix vmlinux path when not using --symfs

tools/perf/util/header.c

@@ -270,11 +270,15 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
 			  const char *name, bool is_kallsyms)
 {
 	const size_t size = PATH_MAX;
-	char *realname = realpath(name, NULL),
-	     *filename = malloc(size),
+	char *realname, *filename = malloc(size),
 	     *linkname = malloc(size), *targetname;
 	int len, err = -1;
 
+	if (is_kallsyms)
+		realname = (char *)name;
+	else
+		realname = realpath(name, NULL);
+
 	if (realname == NULL || filename == NULL || linkname == NULL)
 		goto out_free;
 
@@ -306,7 +310,8 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
 	if (symlink(targetname, linkname) == 0)
 		err = 0;
 out_free:
-	free(realname);
+	if (!is_kallsyms)
+		free(realname);
 	free(filename);
 	free(linkname);
 	return err;

tools/perf/util/symbol.c

@@ -1836,7 +1836,7 @@ int dso__load_vmlinux(struct dso *self, struct map *map,
 	int err = -1, fd;
 	char symfs_vmlinux[PATH_MAX];
 
-	snprintf(symfs_vmlinux, sizeof(symfs_vmlinux), "%s/%s",
+	snprintf(symfs_vmlinux, sizeof(symfs_vmlinux), "%s%s",
 		 symbol_conf.symfs, vmlinux);
 	fd = open(symfs_vmlinux, O_RDONLY);
 	if (fd < 0)