diff options
Diffstat (limited to 'arch/x86/xen/smp_pv.c')
-rw-r--r-- | arch/x86/xen/smp_pv.c | 2 |
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) |