news: qemu: Add support for zero-copy migration

[PATCH] news: qemu: Add support for zero-copy migration

Posted by Fangge Jin 1 year, 9 months ago

Signed-off-by: Fangge Jin <fjin@redhat.com>
---
 NEWS.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/NEWS.rst b/NEWS.rst
index 79aad652e8..0eb3299e3b 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -42,6 +42,11 @@ v8.5.0 (2022-07-01)
     A new ``VIR_MIGRATE_POSTCOPY_RESUME`` flag (``virsh migrate --postcopy-resume``)
     was introduced for recovering from a failed post-copy migration.
 
+  * qemu: Add support for zero-copy migration
+
+    With QEMU 7.1.0, libvirt can enable zerocopy for parallel migration. This is 
+    implmented by adding a new ``VIR_MIGRATE_ZEROCOPY`` flag(``virsh migrate --zerocopy``).
+
   * Introduce thread_pool_min and thread_pool_max attributes to IOThread
 
     New attributes ``thread_pool_min`` and ``thread_pool_max`` were introduced
-- 
2.31.1

Re: [PATCH] news: qemu: Add support for zero-copy migration

Posted by Michal Prívozník 1 year, 8 months ago

On 7/22/22 10:49, Fangge Jin wrote:
> Signed-off-by: Fangge Jin <fjin@redhat.com>
> ---
>  NEWS.rst | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/NEWS.rst b/NEWS.rst
> index 79aad652e8..0eb3299e3b 100644
> --- a/NEWS.rst
> +++ b/NEWS.rst
> @@ -42,6 +42,11 @@ v8.5.0 (2022-07-01)
>      A new ``VIR_MIGRATE_POSTCOPY_RESUME`` flag (``virsh migrate --postcopy-resume``)
>      was introduced for recovering from a failed post-copy migration.
>  
> +  * qemu: Add support for zero-copy migration
> +
> +    With QEMU 7.1.0, libvirt can enable zerocopy for parallel migration. This is 

Trailing space.

> +    implmented by adding a new ``VIR_MIGRATE_ZEROCOPY`` flag(``virsh migrate --zerocopy``).
> +
>    * Introduce thread_pool_min and thread_pool_max attributes to IOThread
>  
>      New attributes ``thread_pool_min`` and ``thread_pool_max`` were introduced

Fixed and pushed.

Reviewed-by: Michal Privoznik <mprivozn@redhat.com>

Michal