xref: /linux/arch/x86/include/asm/vdso/vsyscall.h (revision 76d9b92e68f2bb55890f935c5143f4fef97a935d)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_VDSO_VSYSCALL_H
3 #define __ASM_VDSO_VSYSCALL_H
4 
5 #ifndef __ASSEMBLY__
6 
7 #include <linux/timekeeper_internal.h>
8 #include <vdso/datapage.h>
9 #include <asm/vgtod.h>
10 #include <asm/vvar.h>
11 
12 DEFINE_VVAR(struct vdso_data, _vdso_data);
13 /*
14  * Update the vDSO data page to keep in sync with kernel timekeeping.
15  */
16 static __always_inline
17 struct vdso_data *__x86_get_k_vdso_data(void)
18 {
19 	return _vdso_data;
20 }
21 #define __arch_get_k_vdso_data __x86_get_k_vdso_data
22 
23 /* The asm-generic header needs to be included after the definitions above */
24 #include <asm-generic/vdso/vsyscall.h>
25 
26 #endif /* !__ASSEMBLY__ */
27 
28 #endif /* __ASM_VDSO_VSYSCALL_H */
29