[POWERPC] spufs: clear mapping pointers after last close

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Make sure the pointers to various mappings are cleared once the last
user stopped using them.  This avoids accessing freed memory when
tearing down the gang directory aswell as optimizing away
pte invalidations if no one uses these.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>

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Christoph Hellwig 2007-04-23 21:08:07 +02:00 • committed by Arnd Bergmann

parent 0887309589

commit 43c2bbd932

4 changed files with 148 additions and 13 deletions

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1

arch/powerpc/platforms/cell/spufs/context.c

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147

arch/powerpc/platforms/cell/spufs/file.c

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1

arch/powerpc/platforms/cell/spufs/inode.c

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12

arch/powerpc/platforms/cell/spufs/spufs.h

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