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Diffstat (limited to 'docs/devel/migration/uadk-compression.rst')
| -rw-r--r-- | docs/devel/migration/uadk-compression.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/docs/devel/migration/uadk-compression.rst b/docs/devel/migration/uadk-compression.rst index 3f73345..64cadeb 100644 --- a/docs/devel/migration/uadk-compression.rst +++ b/docs/devel/migration/uadk-compression.rst @@ -114,7 +114,7 @@ Make sure all these above kernel configurations are selected. Accelerator dev node permissions -------------------------------- -Harware accelerators(eg: HiSilicon Kunpeng Zip accelerator) gets registered to +Hardware accelerators (eg: HiSilicon Kunpeng Zip accelerator) gets registered to UADK and char devices are created in dev directory. In order to access resources on hardware accelerator devices, write permission should be provided to user. @@ -134,7 +134,7 @@ How To Use UADK Compression In QEMU Migration Set ``migrate_set_parameter multifd-compression uadk`` Since UADK uses Shared Virtual Addressing(SVA) and device access virtual memory -directly it is possible that SMMUv3 may enounter page faults while walking the +directly it is possible that SMMUv3 may encounter page faults while walking the IO page tables. This may impact the performance. In order to mitigate this, please make sure to specify ``-mem-prealloc`` parameter to the destination VM boot parameters. |