x86/hyperv: Hide pv_ops access for CONFIG_PARAVIRT=n

hv_setup_sched_clock() references pv_ops which is only available when
CONFIG_PARAVIRT=Y.

Wrap it into a #ifdef

Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190828080747.204419-1-Tianyu.Lan@microsoft.com

diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 53afd33..267daad 100644 (file)
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -346,7 +346,9 @@ static void __init ms_hyperv_init_platform(void)
 
 void hv_setup_sched_clock(void *sched_clock)
 {
+#ifdef CONFIG_PARAVIRT
        pv_ops.time.sched_clock = sched_clock;
+#endif
 }
 
 const __initconst struct hypervisor_x86 x86_hyper_ms_hyperv = {