lkml.org 
[lkml]   [2013]   [Sep]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH] /dev/random: Insufficient of entropy on many architectures
From
On Tue, Sep 10, 2013 at 1:31 PM, Stephan Mueller <smueller@chronox.de> wrote:
> /dev/random uses the get_cycles() function to obtain entropy in addition to jiffies and the event value of hardware events.
>
> Typically the high-resolution timer of get_cycles delivers the majority of entropy, because the event value is quite deterministic and jiffies are very coarse.
>
> However, on the following architectures, get_cycles will return 0:

> - M68K

Thanks, m68k is being worked on, cfr. https://lkml.org/lkml/2013/9/9/441

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds


\
 
 \ /
  Last update: 2013-09-10 14:21    [W:0.196 / U:0.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site