linux-kernel - Re: [PATCH] random: mix in architectural randomness in extract

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Message-ID: <5010900E.2030008@linux.intel.com>
Date:	Wed, 25 Jul 2012 17:32:14 -0700
From:	"H. Peter Anvin" <hpa@...ux.intel.com>
To:	Ben Hutchings <ben@...adent.org.uk>
CC:	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
	Theodore T'so <tytso@....edu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>, w@....edu, ewust@...ch.edu,
	zakir@...ch.edu, greg@...ah.com, mpm@...enic.com,
	nadiah@...ucsd.edu, jhalderm@...ch.edu, tglx@...utronix.de,
	davem@...emloft.net, stable@...r.kernel.org,
	DJ Johnston <dj.johnston@...el.com>
Subject: Re: [PATCH] random: mix in architectural randomness in extract_buf()

On 07/25/2012 04:50 PM, Ben Hutchings wrote:
> On Wed, 2012-07-25 at 10:37 -0700, H. Peter Anvin wrote:
>> From: "H. Peter Anvin" <hpa@...ux.intel.com>
>>
>> RDRAND is so much faster than the Linux pool system that we can
>> always just mix in architectural randomness.
> [...]
>> Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
>> Acked-by: Ingo Molnar <mingo@...nel.org>
>> Cc: DJ Johnston <dj.johnston@...el.com>
> [...]
> 
> This is not the correct way to submit patches for stable; see
> Documentation/stable_kernel_rules.txt
> 

The patch is intended to fix the security regression that would be
caused if Ted's random.git patches are accepted in -stable, which isn't
clear to me if they will be or not, so I added the Cc: to keep it from
getting lost.

	-hpa
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