diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2010-03-03 11:47:43 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2010-03-03 11:47:43 -0700 |
| commit | 281befa5592b0c5f9a3856b5666c62ac66d3d9ee (patch) | |
| tree | a0e7ca560fd1f2c43d3352786b0a5317af97ccf7 /drivers/dma/ioat/dma_v2.h | |
| parent | b372ec2d900a5b50e47ef9e9624536ad146236be (diff) | |
| download | op-kernel-dev-281befa5592b0c5f9a3856b5666c62ac66d3d9ee.zip op-kernel-dev-281befa5592b0c5f9a3856b5666c62ac66d3d9ee.tar.gz | |
ioat2: kill pending flag
The pending == 2 case no longer exists in the driver so, we can use
ioat2_ring_pending() outside the lock to determine if there might be any
descriptors in the ring that the hardware has not seen.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/ioat/dma_v2.h')
| -rw-r--r-- | drivers/dma/ioat/dma_v2.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/dma/ioat/dma_v2.h b/drivers/dma/ioat/dma_v2.h index 3afad8d..d211335 100644 --- a/drivers/dma/ioat/dma_v2.h +++ b/drivers/dma/ioat/dma_v2.h @@ -47,7 +47,6 @@ extern int ioat_ring_alloc_order; * @head: allocated index * @issued: hardware notification point * @tail: cleanup index - * @pending: lock free indicator for issued != head * @dmacount: identical to 'head' except for occasionally resetting to zero * @alloc_order: log2 of the number of allocated descriptors * @ring: software ring buffer implementation of hardware ring @@ -61,7 +60,6 @@ struct ioat2_dma_chan { u16 tail; u16 dmacount; u16 alloc_order; - int pending; struct ioat_ring_ent **ring; spinlock_t ring_lock; }; |
