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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> |
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| .. | ||
| async_memcpy.c | ||
| async_memset.c | ||
| async_tx.c | ||
| async_xor.c | ||
| Kconfig | ||
| Makefile | ||