diff options
Diffstat (limited to 'arch/arm64/include/asm/vdso/vsyscall.h')
| -rw-r--r-- | arch/arm64/include/asm/vdso/vsyscall.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/vdso/vsyscall.h b/arch/arm64/include/asm/vdso/vsyscall.h index f94b1457c117..eea51946d45a 100644 --- a/arch/arm64/include/asm/vdso/vsyscall.h +++ b/arch/arm64/include/asm/vdso/vsyscall.h @@ -2,11 +2,18 @@ #ifndef __ASM_VDSO_VSYSCALL_H #define __ASM_VDSO_VSYSCALL_H +#define __VDSO_RND_DATA_OFFSET 480 + #ifndef __ASSEMBLY__ -#include <linux/timekeeper_internal.h> #include <vdso/datapage.h> +enum vvar_pages { + VVAR_DATA_PAGE_OFFSET, + VVAR_TIMENS_PAGE_OFFSET, + VVAR_NR_PAGES, +}; + #define VDSO_PRECISION_MASK ~(0xFF00ULL<<48) extern struct vdso_data *vdso_data; @@ -22,7 +29,14 @@ struct vdso_data *__arm64_get_k_vdso_data(void) #define __arch_get_k_vdso_data __arm64_get_k_vdso_data static __always_inline -void __arm64_update_vsyscall(struct vdso_data *vdata, struct timekeeper *tk) +struct vdso_rng_data *__arm64_get_k_vdso_rnd_data(void) +{ + return (void *)vdso_data + __VDSO_RND_DATA_OFFSET; +} +#define __arch_get_k_vdso_rng_data __arm64_get_k_vdso_rnd_data + +static __always_inline +void __arm64_update_vsyscall(struct vdso_data *vdata) { vdata[CS_HRES_COARSE].mask = VDSO_PRECISION_MASK; vdata[CS_RAW].mask = VDSO_PRECISION_MASK; |