Documentation: add xen.fifo_events kernel parameter description

The kernel boot parameter xen.fifo_events isn't listed in
Documentation/admin-guide/kernel-parameters.txt. Add it.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Link: https://lore.kernel.org/r/20201022094907.28560-6-jgross@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Juergen Gross 2020-10-22 11:49:07 +02:00 committed by Boris Ostrovsky
parent eabe741782
commit 1a89c1dc95
1 changed files with 7 additions and 0 deletions

View File

@ -5836,6 +5836,13 @@
After which time (jiffies) the event handling loop After which time (jiffies) the event handling loop
should start to delay EOI handling. Default is 2. should start to delay EOI handling. Default is 2.
xen.fifo_events= [XEN]
Boolean parameter to disable using fifo event handling
even if available. Normally fifo event handling is
preferred over the 2-level event handling, as it is
fairer and the number of possible event channels is
much higher. Default is on (use fifo events).
nopv= [X86,XEN,KVM,HYPER_V,VMWARE] nopv= [X86,XEN,KVM,HYPER_V,VMWARE]
Disables the PV optimizations forcing the guest to run Disables the PV optimizations forcing the guest to run
as generic guest with no PV drivers. Currently support as generic guest with no PV drivers. Currently support