linux_dsm_epyc7002/arch/x86/vdso/vextern.h
Thomas Gleixner 7648b1330c x86_64: move vdso
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-10-11 11:17:10 +02:00

17 lines
495 B
C

#ifndef VEXTERN
#include <asm/vsyscall.h>
#define VEXTERN(x) \
extern typeof(x) *vdso_ ## x __attribute__((visibility("hidden")));
#endif
#define VMAGIC 0xfeedbabeabcdefabUL
/* Any kernel variables used in the vDSO must be exported in the main
kernel's vmlinux.lds.S/vsyscall.h/proper __section and
put into vextern.h and be referenced as a pointer with vdso prefix.
The main kernel later fills in the values. */
VEXTERN(jiffies)
VEXTERN(vgetcpu_mode)
VEXTERN(vsyscall_gtod_data)