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-rw-r--r--arch/x86/xen/platform-pci-unplug.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/xen/platform-pci-unplug.c b/arch/x86/xen/platform-pci-unplug.c
index 554c002a1e1..070dfa0654b 100644
--- a/arch/x86/xen/platform-pci-unplug.c
+++ b/arch/x86/xen/platform-pci-unplug.c
@@ -72,6 +72,9 @@ void __init xen_unplug_emulated_devices(void)
{
int r;
+ /* user explicitly requested no unplug */
+ if (xen_emul_unplug & XEN_UNPLUG_NEVER)
+ return;
/* check the version of the xen platform PCI device */
r = check_platform_magic();
/* If the version matches enable the Xen platform PCI driver.
@@ -127,6 +130,8 @@ static int __init parse_xen_emul_unplug(char *arg)
xen_emul_unplug |= XEN_UNPLUG_ALL_NICS;
else if (!strncmp(p, "ignore", l))
xen_emul_unplug |= XEN_UNPLUG_IGNORE;
+ else if (!strncmp(p, "never", l))
+ xen_emul_unplug |= XEN_UNPLUG_NEVER;
else
printk(KERN_WARNING "unrecognised option '%s' "
"in parameter 'xen_emul_unplug'\n", p);