x86/paravirt: Prevent rtc_cmos platform device init on PV guests

[firefly-linux-kernel-4.4.55.git] / arch / x86 / include / asm / paravirt_types.h

diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 31247b5bff7c8ff86d893851dc9073b72a647cc2..3d44191185f8ca345d4ad3e928101172621d573d 100644 (file)
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -70,9 +70,14 @@ struct pv_info {
 #endif
 
        int paravirt_enabled;
+       unsigned int features;    /* valid only if paravirt_enabled is set */
        const char *name;
 };
 
+#define paravirt_has(x) paravirt_has_feature(PV_SUPPORTED_##x)
+/* Supported features */
+#define PV_SUPPORTED_RTC        (1<<0)
+
 struct pv_init_ops {
        /*
         * Patch may replace one of the defined code sequences with