[libvirt] [PATCH] news: Xen: announce removal of hard-code scheduler weight

Also describe a possible side-affect due to changes in the default (unspecified) value from 1000 to 256. Signed-off-by: Jim Fehlig <jfehlig(a)suse.com&gt; --- docs/news.xml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/docs/news.xml b/docs/news.xml index 75a054308..93ab59cf4 100644 --- a/docs/news.xml +++ b/docs/news.xml @@ -66,6 +66,22 @@ If someone customizing IP address inside VM, it will be helpful. </description> </change> + <change> + <summary> + Xen: Remove hard-coded scheduler weight + </summary> + <description> + The libxl driver was accidentally hard-coding the per-domain + scheduler weight to 1000, silently ignoring any user-provided + <code>&lt;shares&gt;</code> in <code>&lt;cputune&gt;</code>. The + driver now honors <code>&lt;shares&gt;</code>, and defers setting + a default value to Xen. Note that the Xen default is 256, so any + domains started after this improvement will have one fourth the + shares of previously started domains. If all domains must have + equal CPU shares, administrators must manually set the weight of + previously started domains to 256, or restart them. + </description> + </change> </section> <section title="Bug fixes"> </section> -- 2.16.2