[PATCH] powerpc: cell spu problem state mapping updates

Arnd Bergmann arnd at arndb.de
Fri Sep 29 17:52:01 EST 2006

On Friday 29 September 2006 07:10, Benjamin Herrenschmidt wrote:
> This patch adds a new "psmap" file to spufs that allows mmap of all of
> the problem state mapping of SPEs. It is compatible with 64k pages. In
> addition, it removes mmap ability of individual files when using 64k
> pages, with the exception of signal1 and signal2 which will both map the
> entire 64k page holding both registers. It also removes
> CONFIG_SPUFS_MMAP as there is no point in not building mmap support in
> spufs.
> It goes along a separate patch to libspe implementing usage of that new
> file to access problem state registers.
> Signed-off-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>

Acked-by: Arnd Bergmann <arnd.bergmann at de.ibm.com>

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