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Diffstat (limited to 'doc/guides/prog_guide/vhost_lib.rst')
| -rw-r--r-- | doc/guides/prog_guide/vhost_lib.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/guides/prog_guide/vhost_lib.rst b/doc/guides/prog_guide/vhost_lib.rst index 77af4d77..c77df338 100644 --- a/doc/guides/prog_guide/vhost_lib.rst +++ b/doc/guides/prog_guide/vhost_lib.rst @@ -106,6 +106,14 @@ The following is an overview of some key Vhost API functions: Enabling this flag with these Qemu version results in Qemu being blocked when multiple queue pairs are declared. + - ``RTE_VHOST_USER_POSTCOPY_SUPPORT`` + + Postcopy live-migration support will be enabled when this flag is set. + It is disabled by default. + + Enabling this flag should only be done when the calling application does + not pre-fault the guest shared memory, otherwise migration would fail. + * ``rte_vhost_driver_set_features(path, features)`` This function sets the feature bits the vhost-user driver supports. The |