diff options
Diffstat (limited to 'arch/x86/include/asm/vdso/vsyscall.h')
| -rw-r--r-- | arch/x86/include/asm/vdso/vsyscall.h | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/arch/x86/include/asm/vdso/vsyscall.h b/arch/x86/include/asm/vdso/vsyscall.h index be199a9b2676..37b4a70559a8 100644 --- a/arch/x86/include/asm/vdso/vsyscall.h +++ b/arch/x86/include/asm/vdso/vsyscall.h @@ -2,25 +2,37 @@ #ifndef __ASM_VDSO_VSYSCALL_H #define __ASM_VDSO_VSYSCALL_H +#define __VDSO_RND_DATA_OFFSET 640 +#define __VVAR_PAGES 4 + +#define VDSO_NR_VCLOCK_PAGES 2 +#define VDSO_PAGE_PVCLOCK_OFFSET 0 +#define VDSO_PAGE_HVCLOCK_OFFSET 1 + #ifndef __ASSEMBLY__ -#include <linux/hrtimer.h> -#include <linux/timekeeper_internal.h> #include <vdso/datapage.h> #include <asm/vgtod.h> -#include <asm/vvar.h> -DEFINE_VVAR(struct vdso_data, _vdso_data); +extern struct vdso_data *vdso_data; + /* * Update the vDSO data page to keep in sync with kernel timekeeping. */ static __always_inline struct vdso_data *__x86_get_k_vdso_data(void) { - return _vdso_data; + return vdso_data; } #define __arch_get_k_vdso_data __x86_get_k_vdso_data +static __always_inline +struct vdso_rng_data *__x86_get_k_vdso_rng_data(void) +{ + return (void *)vdso_data + __VDSO_RND_DATA_OFFSET; +} +#define __arch_get_k_vdso_rng_data __x86_get_k_vdso_rng_data + /* The asm-generic header needs to be included after the definitions above */ #include <asm-generic/vdso/vsyscall.h> |