From: Neil Horman <nhorman@lvl7.com>
To: Dan Malek <dan@embeddededge.com>
Cc: "linuxppc-embedded@lists.linuxppc.org"
<linuxppc-embedded@lists.linuxppc.org>
Subject: Re: Question regarding the clear_page function
Date: Thu, 21 Mar 2002 12:49:47 -0500 [thread overview]
Message-ID: <3C9A1D3B.1587502F@lvl7.com> (raw)
In-Reply-To: 3C9A13B9.1060008@embeddededge.com
got it. Thanks Dan!
Neil
Dan Malek wrote:
>
> Neil Horman wrote:
>
> > ..... My question is, why is this not the case for the
> > 8XX series as well?
>
> The behavior of this instruction during faults and exceptions has often
> been incorrect and the different silicon revisions behave differently.
> Rather than track all of the different silicon variants, install and
> test all of the patches, it is easier to just not use it.
>
> > .... I'm asking because I'm testing a modifed kernel in which
> > we use the dcbz instruction rather than 4 stores, and we curious as to what
> > consequences I might expect.
>
> You are probably experiencing them :-).
>
> -- Dan
>
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
prev parent reply other threads:[~2002-03-21 17:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-21 12:41 Question regarding the clear_page function Neil Horman
2002-03-21 17:09 ` Dan Malek
2002-03-21 17:49 ` Neil Horman [this message]
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