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由 Paul Fulghum 提交于
Fix race condition when adding transmit data to active DMA buffer ring that can cause transmit stall. Update transmit timeout when adding data to active DMA buffer ring. Base transmit timeout on amount of buffered data instead of using fixed value. Signed-off-by: NPaul Fulghum <paulkf@microgate.com> Signed-off-by: NAlan Cox <alan@linux.intel.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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