perf tools: Fix symbol and object code resolution for vdso32 and vdsox32

commit aef4feace285f27c8ed35830a5d575bec7f3e90a upstream.

Fix __kmod_path__parse() so that perf tools does not treat vdso32 and
vdsox32 as kernel modules and fail to find the object.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: stable@vger.kernel.org
Fixes: 1f121b03d058 ("perf tools: Deal with kernel module names in '[]' correctly")
Link: http://lkml.kernel.org/r/1528117014-30032-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 00c98c968cb15f5d41dbec59295d231d73207ac0..505c13bf7e30d210c700b3c686a23cd5311ed56b 100644 (file)
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -352,6 +352,8 @@ int __kmod_path__parse(struct kmod_path *m, const char *path,
                if ((strncmp(name, "[kernel.kallsyms]", 17) == 0) ||
                    (strncmp(name, "[guest.kernel.kallsyms", 22) == 0) ||
                    (strncmp(name, "[vdso]", 6) == 0) ||
+                   (strncmp(name, "[vdso32]", 8) == 0) ||
+                   (strncmp(name, "[vdsox32]", 9) == 0) ||
                    (strncmp(name, "[vsyscall]", 10) == 0)) {
                        m->kmod = false;