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Re: [Qemu-devel] [PATCH v5] linux-user: Let user specify random seed
From: |
Magnus Reftel |
Subject: |
Re: [Qemu-devel] [PATCH v5] linux-user: Let user specify random seed |
Date: |
Wed, 22 Oct 2014 15:17:33 +0200 |
On Tue, Oct 14, 2014 at 5:18 PM, Magnus Reftel <address@hidden> wrote:
> linux-user uses the rand function for generating the value of the AT_RANDOM
> elf
> aux vector entry, and explicitly seeds the random number generator with the
> current time. This makes it impossible to reproduce runs that use the
> AT_RANDOM
> bytes.
>
> This patch adds a command line option and a matching environment variable for
> setting the random seed, so that the AT_RANDOM values can be predictable when
> the user chooses. The default is still to seed the random number generator
> with the current time.
>
> The difference from version 4 of the patch is only the addition of the line
> Reviewed-by: Eric Blake <address@hidden>
> to the commit message.
Ping.
http://patchwork.ozlabs.org/patch/399483/
BR
Magnus Reftel