diff options
Diffstat (limited to 'include/vdso/helpers.h')
| -rw-r--r-- | include/vdso/helpers.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/vdso/helpers.h b/include/vdso/helpers.h index 9a2af9fca45e..3ddb03bb05cb 100644 --- a/include/vdso/helpers.h +++ b/include/vdso/helpers.h @@ -4,6 +4,7 @@ #ifndef __ASSEMBLY__ +#include <asm/barrier.h> #include <vdso/datapage.h> static __always_inline u32 vdso_read_begin(const struct vdso_data *vd) @@ -30,9 +31,9 @@ static __always_inline u32 vdso_read_retry(const struct vdso_data *vd, static __always_inline void vdso_write_begin(struct vdso_data *vd) { /* - * WRITE_ONCE it is required otherwise the compiler can validly tear + * WRITE_ONCE() is required otherwise the compiler can validly tear * updates to vd[x].seq and it is possible that the value seen by the - * reader it is inconsistent. + * reader is inconsistent. */ WRITE_ONCE(vd[CS_HRES_COARSE].seq, vd[CS_HRES_COARSE].seq + 1); WRITE_ONCE(vd[CS_RAW].seq, vd[CS_RAW].seq + 1); @@ -43,9 +44,9 @@ static __always_inline void vdso_write_end(struct vdso_data *vd) { smp_wmb(); /* - * WRITE_ONCE it is required otherwise the compiler can validly tear + * WRITE_ONCE() is required otherwise the compiler can validly tear * updates to vd[x].seq and it is possible that the value seen by the - * reader it is inconsistent. + * reader is inconsistent. */ WRITE_ONCE(vd[CS_HRES_COARSE].seq, vd[CS_HRES_COARSE].seq + 1); WRITE_ONCE(vd[CS_RAW].seq, vd[CS_RAW].seq + 1); |