linux-kernel - Decreasing time for `rsa

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Date:   Wed, 12 Jul 2017 12:59:58 +0200
From:   Paul Menzel <pmenzel@...gen.mpg.de>
To:     linux-crypto@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org
Subject: Decreasing time for `rsa_init`

Dear Linux crypto folks,

Building CRYPTO_RSA not as module, but into the Linux kernel, 
`rsa_init()` takes 130 ms on an ASRock E350M1.

(Timings are shown by adding `initcall_debug` to Linux command line [1]. 
The times are visualized by `analyze_boot.py` from pm-graph [2] or 
`systemd-bootchart`.)

This is quite a lot of time compared to other modules, and I wonder if 
there are ways to decrease that time other than building it as a module, 
and not signing modules?

Kind regards,

Paul

[1] http://elinux.org/Initcall_Debug
[2] https://github.com/01org/pm-graph