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authorStefano Stabellini <stefano.stabellini@eu.citrix.com>2010-05-14 12:44:30 +0100
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2010-07-26 23:13:25 -0700
commitc1c5413ad58cb73267d328e6020268aa2e50d8ca (patch)
treef2c66141ab8d9fdb7b16a13d4d510ad09b2430ed /arch/x86/xen/enlighten.c
parent409771d258e9dd71c30f3c9520fd2b796ffc40f0 (diff)
x86: Unplug emulated disks and nics.
Add a xen_emul_unplug command line option to the kernel to unplug xen emulated disks and nics. Set the default value of xen_emul_unplug depending on whether or not the Xen PV frontends and the Xen platform PCI driver have been compiled for this kernel (modules or built-in are both OK). The user can specify xen_emul_unplug=ignore to enable PV drivers on HVM even if the host platform doesn't support unplug. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86/xen/enlighten.c')
-rw-r--r--arch/x86/xen/enlighten.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index a90172963884..157c93b62dd4 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1314,6 +1314,7 @@ static void __init xen_hvm_guest_init(void)
if (xen_feature(XENFEAT_hvm_callback_vector))
xen_have_vector_callback = 1;
register_cpu_notifier(&xen_hvm_cpu_notifier);
+ xen_unplug_emulated_devices();
have_vcpu_info_placement = 0;
x86_init.irqs.intr_init = xen_init_IRQ;
xen_hvm_init_time_ops();