aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/xen/smp_pv.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/xen/smp_pv.c')
-rw-r--r--arch/x86/xen/smp_pv.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c
index 590fcf863006..0d2f07d23f72 100644
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -58,6 +58,7 @@ static void cpu_bringup(void)
{
int cpu;
+ cr4_init();
cpu_init();
touch_softlockup_watchdog();
preempt_disable();
@@ -91,6 +92,7 @@ asmlinkage __visible void cpu_bringup_and_idle(void)
cpu_bringup();
boot_init_stack_canary();
cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
+ prevent_tail_call_optimization();
}
void xen_smp_intr_free_pv(unsigned int cpu)