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linux-stable-mirror/include/linux
Longfang LiuandGreg Kroah-Hartman 6feb483ab7 crypto: hisilicon/qm - fix EQ/AEQ interrupt issue
[ Upstream commit 5acab6eb59 ]

During hisilicon accelerator live migration operation. In order to
prevent the problem of EQ/AEQ interrupt loss. Migration driver will
trigger an EQ/AEQ doorbell at the end of the migration.

This operation may cause double interruption of EQ/AEQ events.
To ensure that the EQ/AEQ interrupt processing function is normal.
The interrupt handling functionality of EQ/AEQ needs to be updated.
Used to handle repeated interrupts event.

Fixes: b0eed08590 ("hisi_acc_vfio_pci: Add support for VFIO live migration")
Signed-off-by: Longfang Liu <liulongfang@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-01-10 17:16:55 +01:00
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