1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_X86_VGTOD_H 3 #define _ASM_X86_VGTOD_H 4 5 #include <linux/compiler.h> 6 #include <asm/clocksource.h> 7 #include <vdso/datapage.h> 8 #include <vdso/helpers.h> 9 10 #include <uapi/linux/time.h> 11 12 #ifdef BUILD_VDSO32_64 13 typedef u64 gtod_long_t; 14 #else 15 typedef unsigned long gtod_long_t; 16 #endif 17 18 extern int vclocks_used; 19 static inline bool vclock_was_used(int vclock) 20 { 21 return READ_ONCE(vclocks_used) & (1 << vclock); 22 } 23 24 #endif /* _ASM_X86_VGTOD_H */ 25