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authorDave Jiang <dave.jiang@intel.com>2020-10-27 10:34:40 -0700
committerVinod Koul <vkoul@kernel.org>2020-10-30 14:10:36 +0530
commite4f4d8cdeb9a2fe746411c0b9a7538b5c0232c1e (patch)
tree7273200c8ca36d68ab7ee3c3bb99bd1be03d749c /fs/squashfs/Makefile
parent8e50d392652f20616a136165dff516b86baf5e49 (diff)
dmaengine: idxd: Clean up descriptors with fault error
Add code to "complete" a descriptor when the descriptor or its completion address hit a fault error when SVA mode is being used. This error can be triggered due to bad programming by the user. A lock is introduced in order to protect the descriptor completion lists since the fault handler will run from the system work queue after being scheduled in the interrupt handler. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Tony Luck <tony.luck@intel.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Link: https://lore.kernel.org/r/160382008092.3911367.12766483427643278985.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
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