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xen: pvhvm: allow user to request no emulated device unplug

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this allows the user to disable pvhvm and revert to emulated devices
in case of a system misconfiguration (e.g. initramfs with only
emulated drivers in it).

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
This commit is contained in:
Ian Campbell
2010-08-23 11:59:28 +01:00
parent da5cabf80e
commit c93a4dfb31
3 changed files with 7 additions and 0 deletions
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Documentation/kernel-parameters.txt
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@@ -2631,6 +2631,7 @@ and is between 256 and 4096 characters. It is defined in the file
all -- unplug all emulated devices (NICs and IDE disks)
ignore -- continue loading the Xen platform PCI driver even
if the version check failed
never -- do not unplug even if version check succeeds
xirc2ps_cs= [NET,PCMCIA]
Format: