From: "Mike Frysinger" <vapier.adi@gmail.com>
To: "David Howells" <dhowells@redhat.com>
Cc: "Pekka J Enberg" <penberg@cs.helsinki.fi>,
"Andrew Morton" <akpm@linux-foundation.org>,
bryan.wu@analog.com, linux-kernel@vger.kernel.org,
"Hugh Dickins" <hugh@veritas.com>,
"Alan Cox" <alan@lxorguk.ukuu.org.uk>
Subject: Re: [PATCH -mm] Revoke core code: fix nommu arch compiling error bug
Date: Tue, 27 Mar 2007 13:00:54 -0400 [thread overview]
Message-ID: <8bd0f97a0703271000x2910b2fan573fd37bb45a058d@mail.gmail.com> (raw)
In-Reply-To: <27782.1174989913@redhat.com>
On 3/27/07, David Howells <dhowells@redhat.com> wrote:
> Note that it's not possible to shift windows around in response to faults
> because fault reporting is asynchronous - the entire remaining instruction
> queue will be executed *before* the exception is actually raised to the
> kernel.
ah that would limit the usefulness of its application in the kernel
... thanks for the info
> That sounds reasonable. However, I suspect that most NOMMU CPUs won't be able
> to do that. In effect you're creating a third option, I think (MMU, NOMMU,
> MPU).
sure, but i'm not sure the MPU option would be mutually exclusive with
NOMMU ... in the Blackfin case, we'd want both ...
-mike
next prev parent reply other threads:[~2007-03-27 17:00 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-26 10:23 Wu, Bryan
2007-03-26 10:37 ` Pekka J Enberg
2007-03-26 10:41 ` Andrew Morton
2007-03-26 11:25 ` David Howells
2007-03-26 11:30 ` Pekka J Enberg
2007-03-26 11:44 ` David Howells
2007-03-26 11:55 ` Pekka J Enberg
2007-03-26 12:22 ` David Howells
2007-03-26 12:37 ` Pekka J Enberg
2007-03-26 13:24 ` David Howells
2007-03-26 20:21 ` Mike Frysinger
2007-03-27 3:29 ` Wu, Bryan
2007-03-27 6:57 ` Pekka J Enberg
2007-03-27 7:20 ` Mike Frysinger
2007-03-27 10:05 ` David Howells
2007-03-27 17:00 ` Mike Frysinger [this message]
2007-03-27 19:06 ` David Howells
2007-03-26 13:03 ` Alan Cox
2007-03-26 11:50 ` Andrew Morton
2007-03-26 11:58 ` David Howells
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