Re: [PATCH -mm] Revoke core code: fix nommu arch compiling error bug

Mike Frysinger
2007-03-27T17:00:57Z

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