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| author | Dan Williams <dan.j.williams@intel.com> | 2008-07-17 17:59:56 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2008-07-17 17:59:56 -0700 |
| commit | c7141d005a19d2a0a316b3bf9c170d3bedf07bfd (patch) | |
| tree | cac1072c6230a3c8f33213802f399a70fdc7e882 /drivers/dma | |
| parent | 0839875e0c197ded56bbae820e699f26d6fa2697 (diff) | |
| download | linux-3.10-c7141d005a19d2a0a316b3bf9c170d3bedf07bfd.tar.gz linux-3.10-c7141d005a19d2a0a316b3bf9c170d3bedf07bfd.tar.bz2 linux-3.10-c7141d005a19d2a0a316b3bf9c170d3bedf07bfd.zip | |
iop_adma: directly reclaim descriptors on allocation failure
Force callers that trigger an "out of descriptors" condition to run the
cleanup loop directly. Alleviates the requirement to have soft-irqs
enabled when polling for a descriptor in async_xor.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/iop-adma.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c index 434013d4128..8acbc3ab0b9 100644 --- a/drivers/dma/iop-adma.c +++ b/drivers/dma/iop-adma.c @@ -373,8 +373,8 @@ retry: if (!retry++) goto retry; - /* try to free some slots if the allocation fails */ - tasklet_schedule(&iop_chan->irq_tasklet); + /* perform direct reclaim if the allocation fails */ + __iop_adma_slot_cleanup(iop_chan); return NULL; } |