linux-kernel - Re: [PATCH] hwrng: omap

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Date:   Fri, 22 Mar 2019 21:03:47 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Rouven Czerwinski <r.czerwinski@...gutronix.de>
Cc:     kernel@...gutronix.de, Deepak Saxena <dsaxena@...xity.net>,
        Matt Mackall <mpm@...enic.com>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hwrng: omap - Set default quality

On Mon, Mar 11, 2019 at 11:58:57AM +0100, Rouven Czerwinski wrote:
> Newer combinations of the glibc, kernel and openssh can result in long initial
> startup times on OMAP devices:
> 
> [    6.671425] systemd-rc-once[102]: Creating ED25519 key; this may take some time ...
> [  142.652491] systemd-rc-once[102]: Creating ED25519 key; done.
> 
> due to the blocking getrandom(2) system call:
> 
> [  142.610335] random: crng init done
> 
> Set the quality level for the omap hwrng driver allowing the kernel to use the
> hwrng as an entropy source at boot.
> 
> Signed-off-by: Rouven Czerwinski <r.czerwinski@...gutronix.de>
> ---
>  drivers/char/hw_random/omap-rng.c | 1 +
>  1 file changed, 1 insertion(+)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt