string_selftest_init needs 636 ms to run

From: Paul Menzel
Date: Mon Mar 12 2018 - 09:45:47 EST


Dear Geert,


Sorry for writing you directory, but I saw you created the module *string_selftest* in commit d6b28e09 (lib: add module support to string tests).

I believe, I only did `make olddefconfig`, and the option is selected.

```
$ grep STRING_SELFTEST .config
CONFIG_STRING_SELFTEST=y
```

But booting with `initcall_debug` and looking at the systemd-bootchart output in `/run/log`, doing this lasts 600 ms on my ASRock E350M1 with Linux 4.16-rc5 (probably since the 4.15 cycle).

> string_selftest_init 636.2ms

If I didnât do anything incorrectly, should the module be disable by default?


Kind regards,

Paul

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