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3 Commits

Author SHA1 Message Date
Chen Qun
0b0e6d7454 vfio/migration: Add support for manual clear vfio dirty log 
The new capability VFIO_DIRTY_LOG_MANUAL_CLEAR and the new ioctl
VFIO_IOMMU_DIRTY_PAGES_FLAG_GET_BITMAP_NOCLEAR and
VFIO_IOMMU_DIRTY_PAGES_FLAG_CLEAR_BITMAP have been introduced in
the kernel, tweak the userspace side to use them.

Check if the kernel supports VFIO_DIRTY_LOG_MANUAL_CLEAR and
provide the log_clear() hook for vfio_memory_listener. If the
kernel supports it, deliever the clear message to kernel.

Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
Signed-off-by: imxcc <xingchaochao@huawei.com>
(cherry picked from commit eb15c358d8310a03e5eb4cf957f30314fa41d4a0)
 2022-03-19 14:42:31 +08:00
liuxiangdong
787ea25064 Package init 
Signed-off-by: yezengruan <yezengruan@huawei.com>
 2022-03-19 14:31:23 +08:00
Chen Qun
c127034a6d vfio/migration: Add support for manual clear vfio dirty log 
The new capability VFIO_DIRTY_LOG_MANUAL_CLEAR and the new ioctl
VFIO_IOMMU_DIRTY_PAGES_FLAG_GET_BITMAP_NOCLEAR and
VFIO_IOMMU_DIRTY_PAGES_FLAG_CLEAR_BITMAP have been introduced in
the kernel, tweak the userspace side to use them.

Check if the kernel supports VFIO_DIRTY_LOG_MANUAL_CLEAR and
provide the log_clear() hook for vfio_memory_listener. If the
kernel supports it, deliever the clear message to kernel.

Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
 2021-08-04 11:28:27 +08:00