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author | Dan Williams <dan.j.williams@intel.com> | 2009-01-06 18:38:14 (GMT) |
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committer | Dan Williams <dan.j.williams@intel.com> | 2009-01-06 18:38:14 (GMT) |
commit | 2ba05622b8b143b0c95968ba59bddfbd6d2f2559 (patch) | |
tree | b7b72d02a993ff2ba731d6608f4ab8ce87482bcb /net/ipv6 | |
parent | bec085134e446577a983f17f57d642a88d1af53b (diff) | |
download | linux-fsl-qoriq-2ba05622b8b143b0c95968ba59bddfbd6d2f2559.tar.xz |
dmaengine: provide a common 'issue_pending_all' implementation
async_tx and net_dma each have open-coded versions of issue_pending_all,
so provide a common routine in dmaengine.
The implementation needs to walk the global device list, so implement
rcu to allow dma_issue_pending_all to run lockless. Clients protect
themselves from channel removal events by holding a dmaengine reference.
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'net/ipv6')
0 files changed, 0 insertions, 0 deletions