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[SPARC64]: Massively simplify VIO device layer and support hot add/remove.

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Create and destroy VIO devices in response to MD update events.  These
run synchronously inside of the MD update mutex so the VIO layer
doesn't need to do internal locking of any sort.

Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
David S. Miller 2007-07-17 23:03:47 -07:00
commit 6160f63518
2 changed files with 60 additions and 65 deletions
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2
include/asm-sparc64/vio.h
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@ -264,7 +264,7 @@ static inline u32 vio_dring_avail(struct vio_dring_state *dr,
((dr->prod - dr->cons) & (ring_size - 1)));
}
#define VIO_MAX_TYPE_LEN 64
#define VIO_MAX_TYPE_LEN 32
#define VIO_MAX_COMPAT_LEN 64
struct vio_dev {