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GuanjunandGreg Kroah-Hartman 7734bb3810 dmaengine: idxd: Protect int_handle field in hw descriptor

[ Upstream commit 778dfacc90 ]

The int_handle field in hw descriptor should also be protected
by wmb() before possibly triggering a DMA read.

Fixes: eb0cf33a91 (dmaengine: idxd: move interrupt handle assignment)
Signed-off-by: Guanjun <guanjun@linux.alibaba.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Fenghua Yu <fenghua.yu@intel.com>
Reviewed-by: Lijun Pan <lijun.pan@intel.com>
Link: https://lore.kernel.org/r/20231211053704.2725417-2-guanjun@linux.alibaba.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-01-10 17:16:59 +01:00

bus.c

…

cdev.c

dmaengine: idxd: Fix passing freed memory in idxd_cdev_open()

2023-05-17 12:15:09 +05:30

compat.c

dmaengine: idxd: use const struct bus_type *

2023-03-23 13:21:42 +01:00

debugfs.c

dmanegine: idxd: add debugfs for event log dump

2023-04-12 23:18:45 +05:30