Re: [patch -mm series] ia64 specific /dev/mem handlers

From: Arjan van de Ven <arjan_at_infradead.org>
Date: 2005-02-23 09:42:22
On Tue, 2005-02-22 at 17:30 -0500, Jes Sorensen wrote:
> 
> For userspace it's used by some of the MPI type apps in userland.

you got to be kidding. Why are these MPI apps accessing memory that the
kernel has mapped cached (eg ram) via /dev/mem?


(eg my proposal is to make /dev/mem to be just device memory not kernel
accessable ram; wouldn't that solve the entire issue cleanly ?)

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Received on Tue Feb 22 17:42:43 2005

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