linux-kernel - Re: drivers/char/random.c: variable type mismatch

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Date:	Wed, 14 Nov 2012 09:52:53 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Stephan Mueller <stephan.mueller@...ec.com>
CC:	"Theodore Ts'o" <tytso@....edu>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: drivers/char/random.c: variable type mismatch

On 11/14/2012 08:15 AM, Stephan Mueller wrote:
>
> I agree with the argument of correlation.
>
> So, if the reduction of values with a known lack of entropy is of
> interest, why not change the jiffies variable type too? There we know
> that only the lower 32 bits are really relevant. Therefore, wouldn't be
> a structure of
>
>          struct {
>                  unsigned jiffies;
>                  unsigned cycles;
>                  unsigned num;
>          } sample;
>
> be more appropriate?
>

Probably.  It doesn't make much difference, however.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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