From: Jeff Garzik <jgarzik@pobox.com>
To: Martin Peck <coderman@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: faster via/centaur hw rng throughput patch for 2.6.8.1
Date: Fri, 27 Aug 2004 15:16:52 -0400 [thread overview]
Message-ID: <412F88A4.70408@pobox.com> (raw)
In-Reply-To: <4ef5fec604082711523b3935f9@mail.gmail.com>
Martin Peck wrote:
> - use of cpu_has_xstore replaced with model / stepping
> checks to determine C5XL/C5P/C5J/* capability. there
> is a problem with first generation C5XL boards (with
> stepping 0 IIRC) that do not report xstore but do
> have a functional hardware rng device. the stepping
> check also distinguishes the single entropy C5XL from
> the dual entropy C5P+.
Oh, and this change is going in the wrong direction.
You should instead modify arch/i386/kernel/cpu/centaur.c with code that
does something like
if (!xstore feature bit reported)
check stepping and see if it's there anyway
Regards,
Jeff
next prev parent reply other threads:[~2004-08-27 19:22 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-27 18:52 faster via/centaur hw rng throughput patch for 2.6.8.1 Martin Peck
2004-08-27 18:56 ` Martin Peck
2004-08-27 19:13 ` Jeff Garzik
2004-08-27 20:30 ` Martin Peck
2004-08-27 20:51 ` Jeff Garzik
2004-08-27 19:16 ` Jeff Garzik [this message]
2004-10-15 1:31 ` Rusty Russell
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