lkml.org 
[lkml]   [2007]   [Mar]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH -mm] Revoke core code: fix nommu arch compiling error bug
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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-03-27 19:03    [W:0.128 / U:2.600 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site