On Wed, Apr 08, 2020 at 02:08:53PM -0600, Jim Fehlig wrote: > Event channels are like PV interrupts and in conjuction with grant frames > form a data transfer mechanism for PV drivers. They are also used for > inter-processor interrupts. Guests with a large number of vcpus and/or > many PV devices many need to increase the maximum default value of 1023. > For this reason the native Xen config format supports the > 'max_event_channels' setting. See xl.cfg(5) man page for more details. > > Similar to the existing maxGrantFrames option, add a new xenbus controller > option 'maxEventChannels', allowing to adjust the maximum value via libvirt. > > Signed-off-by: Jim Fehlig <jfehlig@xxxxxxxx> > --- > docs/formatdomain.html.in | 8 ++++++-- > docs/schemas/domaincommon.rng | 5 +++++ > src/conf/domain_conf.c | 15 +++++++++++++++ > src/conf/domain_conf.h | 1 + > 4 files changed, 27 insertions(+), 2 deletions(-) Reviewed-by: Daniel P. Berrangé <berrange@xxxxxxxxxx> Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|