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Date: Tue, 27 Mar 2007 13:00:54 -0400 From: "Mike Frysinger" <vapier.adi@...il.com> To: "David Howells" <dhowells@...hat.com> Cc: "Pekka J Enberg" <penberg@...helsinki.fi>, "Andrew Morton" <akpm@...ux-foundation.org>, bryan.wu@...log.com, linux-kernel@...r.kernel.org, "Hugh Dickins" <hugh@...itas.com>, "Alan Cox" <alan@...rguk.ukuu.org.uk> Subject: Re: [PATCH -mm] Revoke core code: fix nommu arch compiling error bug On 3/27/07, David Howells <dhowells@...hat.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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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