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I/OAT: Add support for MSI and MSI-X

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Add support for MSI and MSI-X interrupt handling, including the ability
to choose the desired interrupt method.

Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
[bunk@kernel.org: drivers/dma/ioat_dma.c: make 3 functions static]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Shannon Nelson 2007-10-16 01:27:40 -07:00 • committed by Linus Torvalds
parent 8ab89567da
commit 3e037454bc
4 changed files with 304 additions and 66 deletions
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6
include/linux/bitops.h
View file

@ -8,6 +8,12 @@
*/
#include <asm/bitops.h>
#define for_each_bit(bit, addr, size) \
for ((bit) = find_first_bit((addr), (size)); \
(bit) < (size); \
(bit) = find_next_bit((addr), (size), (bit) + 1))
static __inline__ int get_bitmask_order(unsigned int count)
{
int order;