| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __ASM_VDSO_VSYSCALL_H |
| #define __ASM_VDSO_VSYSCALL_H |
| |
| #ifndef __ASSEMBLY__ |
| |
| #include <linux/timekeeper_internal.h> |
| #include <vdso/datapage.h> |
| #include <asm/cacheflush.h> |
| |
| extern struct vdso_data *vdso_data; |
| extern bool cntvct_ok; |
| |
| /* |
| * Update the vDSO data page to keep in sync with kernel timekeeping. |
| */ |
| static __always_inline |
| struct vdso_data *__arm_get_k_vdso_data(void) |
| { |
| return vdso_data; |
| } |
| #define __arch_get_k_vdso_data __arm_get_k_vdso_data |
| |
| static __always_inline |
| void __arm_sync_vdso_data(struct vdso_data *vdata) |
| { |
| flush_dcache_page(virt_to_page(vdata)); |
| } |
| #define __arch_sync_vdso_data __arm_sync_vdso_data |
| |
| /* The asm-generic header needs to be included after the definitions above */ |
| #include <asm-generic/vdso/vsyscall.h> |
| |
| #endif /* !__ASSEMBLY__ */ |
| |
| #endif /* __ASM_VDSO_VSYSCALL_H */ |
