From 1a89c1dc9520b908e7894652ee2b19db9de37b64 Mon Sep 17 00:00:00 2001 From: Juergen Gross Date: Thu, 22 Oct 2020 11:49:07 +0200 Subject: [PATCH] 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 Reviewed-by: Jan Beulich Link: https://lore.kernel.org/r/20201022094907.28560-6-jgross@suse.com Signed-off-by: Boris Ostrovsky --- Documentation/admin-guide/kernel-parameters.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 89d977f0b786..935f890cfdad 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5836,6 +5836,13 @@ After which time (jiffies) the event handling loop 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] Disables the PV optimizations forcing the guest to run as generic guest with no PV drivers. Currently support