diff options
Diffstat (limited to 'arch/s390/include/asm/vdso')
-rw-r--r-- | arch/s390/include/asm/vdso/getrandom.h | 16 | ||||
-rw-r--r-- | arch/s390/include/asm/vdso/gettimeofday.h | 23 | ||||
-rw-r--r-- | arch/s390/include/asm/vdso/time_data.h | 3 | ||||
-rw-r--r-- | arch/s390/include/asm/vdso/vsyscall.h | 24 |
4 files changed, 7 insertions, 59 deletions
diff --git a/arch/s390/include/asm/vdso/getrandom.h b/arch/s390/include/asm/vdso/getrandom.h index 36355af7160b..6741a27199f8 100644 --- a/arch/s390/include/asm/vdso/getrandom.h +++ b/arch/s390/include/asm/vdso/getrandom.h @@ -3,7 +3,7 @@ #ifndef __ASM_VDSO_GETRANDOM_H #define __ASM_VDSO_GETRANDOM_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <vdso/datapage.h> #include <asm/vdso/vsyscall.h> @@ -23,18 +23,6 @@ static __always_inline ssize_t getrandom_syscall(void *buffer, size_t len, unsig return syscall3(__NR_getrandom, (long)buffer, (long)len, (long)flags); } -static __always_inline const struct vdso_rng_data *__arch_get_vdso_rng_data(void) -{ - /* - * The RNG data is in the real VVAR data page, but if a task belongs to a time namespace - * then VVAR_DATA_PAGE_OFFSET points to the namespace-specific VVAR page and VVAR_TIMENS_ - * PAGE_OFFSET points to the real VVAR page. - */ - if (IS_ENABLED(CONFIG_TIME_NS) && _vdso_data->clock_mode == VDSO_CLOCKMODE_TIMENS) - return (void *)&_vdso_rng_data + VVAR_TIMENS_PAGE_OFFSET * PAGE_SIZE; - return &_vdso_rng_data; -} - -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* __ASM_VDSO_GETRANDOM_H */ diff --git a/arch/s390/include/asm/vdso/gettimeofday.h b/arch/s390/include/asm/vdso/gettimeofday.h index 7937765ccfa5..c31ac5f61c83 100644 --- a/arch/s390/include/asm/vdso/gettimeofday.h +++ b/arch/s390/include/asm/vdso/gettimeofday.h @@ -14,20 +14,9 @@ #include <linux/compiler.h> -static __always_inline const struct vdso_data *__arch_get_vdso_data(void) +static inline u64 __arch_get_hw_counter(s32 clock_mode, const struct vdso_time_data *vd) { - return _vdso_data; -} - -static inline u64 __arch_get_hw_counter(s32 clock_mode, const struct vdso_data *vd) -{ - u64 adj, now; - - now = get_tod_clock(); - adj = vd->arch_data.tod_steering_end - now; - if (unlikely((s64) adj > 0)) - now += (vd->arch_data.tod_steering_delta < 0) ? (adj >> 15) : -(adj >> 15); - return now; + return get_tod_clock() - vd->arch_data.tod_delta; } static __always_inline @@ -49,12 +38,4 @@ long clock_getres_fallback(clockid_t clkid, struct __kernel_timespec *ts) return syscall2(__NR_clock_getres, (long)clkid, (long)ts); } -#ifdef CONFIG_TIME_NS -static __always_inline -const struct vdso_data *__arch_get_timens_vdso_data(const struct vdso_data *vd) -{ - return _timens_data; -} -#endif - #endif diff --git a/arch/s390/include/asm/vdso/time_data.h b/arch/s390/include/asm/vdso/time_data.h index 8a08752422e6..25c4e0d9f596 100644 --- a/arch/s390/include/asm/vdso/time_data.h +++ b/arch/s390/include/asm/vdso/time_data.h @@ -5,8 +5,7 @@ #include <linux/types.h> struct arch_vdso_time_data { - __s64 tod_steering_delta; - __u64 tod_steering_end; + __s64 tod_delta; }; #endif /* __S390_ASM_VDSO_TIME_DATA_H */ diff --git a/arch/s390/include/asm/vdso/vsyscall.h b/arch/s390/include/asm/vdso/vsyscall.h index 3eb576ecd3bd..b00acec8ddbc 100644 --- a/arch/s390/include/asm/vdso/vsyscall.h +++ b/arch/s390/include/asm/vdso/vsyscall.h @@ -2,35 +2,15 @@ #ifndef __ASM_VDSO_VSYSCALL_H #define __ASM_VDSO_VSYSCALL_H -#define __VDSO_RND_DATA_OFFSET 768 - -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/hrtimer.h> #include <vdso/datapage.h> #include <asm/vdso.h> -enum vvar_pages { - VVAR_DATA_PAGE_OFFSET, - VVAR_TIMENS_PAGE_OFFSET, - VVAR_NR_PAGES -}; - -static __always_inline struct vdso_data *__s390_get_k_vdso_data(void) -{ - return vdso_data; -} -#define __arch_get_k_vdso_data __s390_get_k_vdso_data - -static __always_inline struct vdso_rng_data *__s390_get_k_vdso_rnd_data(void) -{ - return (void *)vdso_data + __VDSO_RND_DATA_OFFSET; -} -#define __arch_get_k_vdso_rng_data __s390_get_k_vdso_rnd_data - /* The asm-generic header needs to be included after the definitions above */ #include <asm-generic/vdso/vsyscall.h> -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* __ASM_VDSO_VSYSCALL_H */ |