X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=arch%2Fx86%2Finclude%2Fasm%2Fparavirt_types.h;h=3d44191185f8ca345d4ad3e928101172621d573d;hb=d8c98a1d1488747625ad6044d423406e17e99b7a;hp=31247b5bff7c8ff86d893851dc9073b72a647cc2;hpb=b26eae934e94240de6bcbcd77b4bdec8bc005168;p=firefly-linux-kernel-4.4.55.git

diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 31247b5bff7c..3d44191185f8 100644
--- 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