Guanjun 7734bb3810 dmaengine: idxd: Protect int_handle field in hw descriptor ...

[ Upstream commit 778dfacc903d4b1ef5b7a9726e3a36bc15913d29 ]

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

Fixes: eb0cf33a91b4 (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

Bus: Make remove callback return void tag

2021-07-27 19:12:14 +05:30

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

device.c

dmaengine: idxd: use spin_lock_irqsave before wait_event_lock_irq

2023-10-04 13:01:29 +05:30

dma.c

dmaengine/idxd: Re-enable kernel workqueue under DMA API

2023-08-09 17:44:39 +02:00

idxd.h

dmaengine updates for v6.6

2023-09-03 10:49:42 -07:00

init.c

dmaengine/idxd: Re-enable kernel workqueue under DMA API

2023-08-09 17:44:39 +02:00

irq.c

dmaengine updates for v6.4

2023-05-03 11:11:56 -07:00

Makefile

dmaengine: idxd: Register dsa_bus_type before registering idxd sub-drivers

2023-11-20 11:59:25 +01:00

perfmon.c

dmaengine:idxd: Use local64_try_cmpxchg in perfmon_pmu_event_update

2023-08-01 23:32:06 +05:30

perfmon.h

dmaengine: idxd: Add IDXD performance monitor support

2021-04-25 21:46:12 +05:30

registers.h

dmaengine: idxd: add per wq PRS disable

2023-04-12 23:18:46 +05:30

submit.c

dmaengine: idxd: Protect int_handle field in hw descriptor

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

sysfs.c

dmaengine updates for v6.6

2023-09-03 10:49:42 -07:00