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Dave Jiang authored
The descriptor flushing for shutdown is not holding the irq_entry list lock. If there's ongoing interrupt completion handling, this can corrupt the list. Add locking to protect list walking. Also refactor the code so it's more compact. Fixes: 8f47d1a5 ("dmaengine: idxd: connect idxd to dmaengine subsystem") Signed-off-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/163942148935.2412839.18282664745572777280.stgit@djiang5-desk3.ch.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>
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