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Date:	Tue, 18 Mar 2014 11:56:03 -0700
From:	"H. Peter Anvin" <>
To:	Benjamin Herrenschmidt <>
CC:	Ted Ts'o <>,
	Linus Torvalds <>,
	Ingo Molnar <>,
	Thomas Gleixner <>,
	Paul Mackerras <>,
	Michael Ellerman <>,
	Linux Kernel Mailing List <>
Subject: Re: [PATCH v2 4/4] random: Add arch_has_random[_seed]()

On 03/17/2014 08:44 PM, Benjamin Herrenschmidt wrote:
> On Mon, 2014-03-17 at 16:36 -0700, H. Peter Anvin wrote:
>> Add predicate functions for having arch_get_random[_seed]*().  The
>> only current use is to avoid the loop in arch_random_refill() when
>> arch_get_random_seed_long() is unavailable.
> Paul, I think our HW rng on P7+ and later would qualify no ?
> Cheers,
> Ben.

Just to be clear: since I don't know the parameters of the PowerPC hwrng
I just put in the stub functions, leaving it up to you to analyze if it
is suitable and analyze it.  Do let me know if I can be of any
assistance, of course.


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