diff options
| author | Ilya Yanok <[email protected]> | 2010-10-27 01:52:58 +0200 |
|---|---|---|
| committer | Grant Likely <[email protected]> | 2010-12-29 22:29:36 -0700 |
| commit | a276991357c63bfb8d3ffdf5800054dba4f8d558 (patch) | |
| tree | 8a3bb0d23eb2011f69e426ab1d87bbe311567c96 /tools/perf/util/trace-event-scripting.c | |
| parent | ba2eea251f815b3674cde13ecdba4772332bf56e (diff) | |
powerpc/512x: try to free dma descriptors in case of allocation failure
Currently completed descriptors are processed in the tasklet. This can
lead to dead lock in case of CONFIG_NET_DMA enabled (new requests are
submitted from softirq context and dma_memcpy_to_iovec() busy loops until
the requests is submitted). To prevent this we should process completed
descriptors from the allocation failure path in prepare_memcpy too.
Signed-off-by: Ilya Yanok <[email protected]>
Cc: Piotr Ziecik <[email protected]>
Signed-off-by: Grant Likely <[email protected]>
Diffstat (limited to 'tools/perf/util/trace-event-scripting.c')
0 files changed, 0 insertions, 0 deletions