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authorAndrew Cooper <andrew.cooper3@citrix.com>2013-07-31 14:48:11 +0100
committerIan Campbell <ian.campbell@citrix.com>2013-08-02 16:30:48 +0100
commitd7dacecaa3fc843758e8c81a60c006d949094b78 (patch)
tree23c48f053f01a8f89ab41e5583b93d3ddd465d0e /docs
parent666893cd73da7276d0e5e585642732bd336a0881 (diff)
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docs: Correct docs for extra_guest_irqs command line option
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> Acked-by: Ian Campbell <Ian.Campbell@citrix.com>
Diffstat (limited to 'docs')
-rw-r--r--docs/misc/xen-command-line.markdown10
1 files changed, 8 insertions, 2 deletions
diff --git a/docs/misc/xen-command-line.markdown b/docs/misc/xen-command-line.markdown
index 708ffc2d5e..202d800809 100644
--- a/docs/misc/xen-command-line.markdown
+++ b/docs/misc/xen-command-line.markdown
@@ -485,9 +485,15 @@ disable it (edid=no). This option should not normally be required
except for debugging purposes.
### extra\_guest\_irqs
-> `= <number>`
+> `= [<domU number>][,<dom0 number>]`
-Increase the number of PIRQs available for the guest. The default is 32.
+> Default: `32,256`
+
+Change the number of PIRQs available for guests. The optional first number is
+common for all domUs, while the optional second number (preceded by a comma)
+is for dom0. Changing the setting for domU has no impact on dom0 and vice
+versa. For example to change dom0 without changing domU, use
+`extra_guest_irqs=,512`
### flask\_enabled
> `= <integer>`