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Commit 0e4d394f authored by Vitaly Kuznetsov's avatar Vitaly Kuznetsov Committed by Juergen Gross
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xen/x86: Don't BUG on CPU0 offlining 



CONFIG_BOOTPARAM_HOTPLUG_CPU0 allows to offline CPU0 but Xen HVM guests
BUG() in xen_teardown_timer(). Remove the BUG_ON(), this is probably a
leftover from ancient times when CPU0 hotplug was impossible, it works
just fine for HVM.

Signed-off-by: default avatarVitaly Kuznetsov <vkuznets@redhat.com>
Acked-by: default avatarJuergen Gross <jgross@suse.com>
Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
parent 4b162c53

arch/x86/xen/time.c

+0 −1
Original line number Diff line number Diff line
@@ -309,7 +309,6 @@ static irqreturn_t xen_timer_interrupt(int irq, void *dev_id) 
void xen_teardown_timer(int cpu)

{

	struct clock_event_device *evt;

	BUG_ON(cpu == 0);

	evt = &per_cpu(xen_clock_events, cpu).evt;



	if (evt->irq >= 0) {