| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __ASM_VDSO_VSYSCALL_H |
| #define __ASM_VDSO_VSYSCALL_H |
| |
| #ifndef __ASSEMBLER__ |
| |
| #include <vdso/datapage.h> |
| |
| #define VDSO_PRECISION_MASK ~(0xFF00ULL<<48) |
| |
| |
| /* |
| * Update the vDSO data page to keep in sync with kernel timekeeping. |
| */ |
| static __always_inline |
| void __arch_update_vdso_clock(struct vdso_clock *vc) |
| { |
| vc->mask = VDSO_PRECISION_MASK; |
| } |
| #define __arch_update_vdso_clock __arch_update_vdso_clock |
| |
| /* The asm-generic header needs to be included after the definitions above */ |
| #include <asm-generic/vdso/vsyscall.h> |
| |
| #endif /* !__ASSEMBLER__ */ |
| |
| #endif /* __ASM_VDSO_VSYSCALL_H */ |