linux-kernel - Re: [PATCH 3/3] random: If we have arch_get_random

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Message-ID: <20140305084506.GC2705@gmail.com>
Date:	Wed, 5 Mar 2014 09:45:06 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	"H. Peter Anvin" <hpa@...ux.intel.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ted Ts'o <tytso@....edu>, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] random: If we have arch_get_random_seed*(), try it
 before blocking


* H. Peter Anvin <hpa@...ux.intel.com> wrote:

> From: "H. Peter Anvin" <hpa@...ux.intel.com>
> 
> If we have arch_get_random_seed*(), try to use it for emergency refill
> of the entropy pool before giving up and blocking on /dev/random.  It
> may or may not work in the moment, but if it does work, it will give
> the user better service than blocking will.
> 
> Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
> Acked-by: Ingo Molnar <mingo@...nel.org>
> ---
>  drivers/char/random.c | 32 ++++++++++++++++++++++++++++++++
>  1 file changed, 32 insertions(+)

Reviewed-by: Ingo Molnar <mingo@...nel.org>

Thanks,

	Ingo
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