[Xen-devel] [PATCH] hvm: disable on smp

[Magnus Damm <magnus@xxxxxxxxxxxxx>]

hvm: disable hvm on smp

With Intel VT, VMXOFF needs to be executed before halting the CPU. Without 
this fix Xen or Linux is unable to start up the CPU after a kexec reboot.

Tested using x86_32 on a Pentium D 930.

Signed-Off-By: Magnus Damm <magnus@xxxxxxxxxxxxx>

--- 0001/xen/arch/x86/smp.c
+++ work/xen/arch/x86/smp.c     2006-09-29 14:47:34.000000000 +0900
@@ -21,6 +21,7 @@
 #include <asm/smpboot.h>
 #include <asm/hardirq.h>
 #include <asm/ipi.h>
+#include <asm/hvm/hvm.h>
 #include <mach_apic.h>
 
 /*
@@ -306,6 +307,7 @@ static void stop_this_cpu (void *dummy)
 
     local_irq_disable();
     disable_local_APIC();
+    hvm_disable();
 
     for ( ; ; )
         __asm__ __volatile__ ( "hlt" );

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