x86/xen: Remove unnecessary BUG_ON(preemptible()) in xen_setup_timer()

There is no reason for having it and, with commit ffef999c546c ("x86,
smpboot: Remove pointless preempt_disable() in
native_smp_prepare_cpus()"), it prevents HVM guests from booting.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>

diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index f473d268d387fcdc8f237153b378508ec0c03f56..23019b483908c3cff327db75806db7d7a6331a93 100644 (file)
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -458,8 +458,6 @@ void xen_setup_timer(int cpu)
 
 void xen_setup_cpu_clockevents(void)
 {
-       BUG_ON(preemptible());
-
        clockevents_register_device(this_cpu_ptr(&xen_clock_events.evt));
 }