root/arch/x86/include/asm/vgtod.h

INCLUDED FROM

DEFINITIONS

1. vclock_was_used

   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 */