perf kcore_copy: Do not check /proc/modules is unchanged

[linux-stable] / tools / perf / util / symbol-elf.c

diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 75bec32d4f571319e8577e96899dee2a24bb4381..647b7dff8ef36f6bf245df547330fc7cd408e541 100644 (file)
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -2102,8 +2102,8 @@ static int kcore_copy__compare_file(const char *from_dir, const char *to_dir,
  * unusual.  One significant peculiarity is that the mapping (start -> pgoff)
  * is not the same for the kernel map and the modules map.  That happens because
  * the data is copied adjacently whereas the original kcore has gaps.  Finally,
- * kallsyms and modules files are compared with their copies to check that
- * modules have not been loaded or unloaded while the copies were taking place.
+ * kallsyms file is compared with its copy to check that modules have not been
+ * loaded or unloaded while the copies were taking place.
  *
  * Return: %0 on success, %-1 on failure.
  */
@@ -2166,9 +2166,6 @@ int kcore_copy(const char *from_dir, const char *to_dir)
                        goto out_extract_close;
        }
 
-       if (kcore_copy__compare_file(from_dir, to_dir, "modules"))
-               goto out_extract_close;
-
        if (kcore_copy__compare_file(from_dir, to_dir, "kallsyms"))
                goto out_extract_close;