From: Udo van den Heuvel <udovdh@xs4all.nl>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, Michael Buesch <mb@bu3sch.de>,
folkert van Heusden <folkert@vanheusden.com>
Subject: Re: enable dual rng on VIA C7
Date: Mon, 26 Nov 2007 18:02:39 +0100 [thread overview]
Message-ID: <474AFC2F.1040309@xs4all.nl> (raw)
In-Reply-To: <20071125233949.f64b2ecd.akpm@linux-foundation.org>
Andrew Morton wrote:
> On Sun, 11 Nov 2007 19:49:08 +0100 Udo van den Heuvel <udovdh@xs4all.nl> wrote:
>
>> Any reason why the second rng on the VIA C7 CPU is not enabled?
(...)
> Does the patch work?
Yes, at least:
dd if=/dev/hwrng of=/dev/null bs=1024 count=1024
shows a higher speed than without the patch.
> It's missing a signed-off-by:, btw
I did not know we are already that far ;-)
I mean: can this patch be aplied without hurting C3/C7 CPU's with just
one RNG? Maybe an expert needs to test/answer?
Maybe some logic needs to be applied around the extra bit?
Kind regards,
Udo
next prev parent reply other threads:[~2007-11-26 17:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-11 18:49 enable dual rng on VIA C7 Udo van den Heuvel
2007-11-26 7:39 ` Andrew Morton
2007-11-26 17:02 ` Udo van den Heuvel [this message]
2007-11-26 18:58 ` Dave Jones
2007-11-27 16:08 ` Udo van den Heuvel
2007-11-27 18:50 ` Dave Jones
2007-11-27 19:01 ` Udo van den Heuvel
2007-11-27 20:51 ` Andrew Morton
2007-12-01 16:51 ` Udo van den Heuvel
2008-01-25 19:03 ` Udo van den Heuvel
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