[Xen-devel] [PATCH][HVM] fix VNIF restore failure on HVM guest with heavy workload

["Zhai, Edwin" <edwin.zhai@xxxxxxxxx>]

[PATCH][HVM] fix VNIF restore failure on HVM guest with heavy workload

Signed-off-by: Zhai Edwin <edwin.zhai@xxxxxxxxx>

VNIF has many intrs when save/restore with net workload, so need keep handler 
from intrs

diff -r 2fab1ec4dc74 linux-2.6-xen-sparse/drivers/xen/core/reboot.c
--- a/linux-2.6-xen-sparse/drivers/xen/core/reboot.c    Mon Apr 09 16:35:01 
2007 +0800
+++ b/linux-2.6-xen-sparse/drivers/xen/core/reboot.c    Tue Apr 10 16:44:52 
2007 +0800
@@ -44,12 +44,14 @@ int __xen_suspend(int fast_suspend)
 int __xen_suspend(int fast_suspend)
 {
        xenbus_suspend();
+       local_irq_disable();
        platform_pci_suspend();
 
        /* pvdrv sleep in this hyper-call when save */
        HYPERVISOR_shutdown(SHUTDOWN_suspend);
 
        platform_pci_resume();
+       local_irq_enable();
        xenbus_resume();
        printk("PV stuff on HVM resume successfully!\n");
 

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