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authorShannon Nelson <shannon.nelson@intel.com>2007-10-16 01:27:40 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:43:09 -0700
commit3e037454bcfa4b187e8293d2121bd8c0f5a5c31c (patch)
tree751a2eace11b280cc1a19873788b778009188be9 /include/linux
parent8ab89567da0cea9bae2c1b5dad47b51c424479e4 (diff)
I/OAT: Add support for MSI and MSI-X
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>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/bitops.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 638165f571d..b9fb8ee3308 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -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;