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authorVitaly Kuznetsov <vkuznets@redhat.com>2017-06-26 19:39:30 +0300
committerJuergen Gross <jgross@suse.com>2017-07-23 09:09:24 +0300
commit0e4d394fe50308f69eb061eb89de78279df1e9dc (patch)
tree1ded5a4769dd411d8da8ac61e0388bcb956d4e6b /arch
parent4b162c530d9c101381500e586fedb1340595a6ff (diff)
downloadlinux-0e4d394fe50308f69eb061eb89de78279df1e9dc.tar.xz
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: Vitaly Kuznetsov <vkuznets@redhat.com> Acked-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/xen/time.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index a1895a8e85c1..1ecb05db3632 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -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) {