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[v2,5/5] Documentation: add xen.fifo_events kernel parameter description

Message ID 20201022094907.28560-6-jgross@suse.com (mailing list archive)
State Accepted
Commit 1a89c1dc9520b908e7894652ee2b19db9de37b64
Headers show
Series xen: event handling cleanup | expand

Commit Message

Jürgen Groß Oct. 22, 2020, 9:49 a.m. UTC 
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>
---
 Documentation/admin-guide/kernel-parameters.txt | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 02d4adbf98d2..526d65d8573a 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -5978,6 +5978,13 @@ 
 			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