diff options
79 files changed, 472 insertions, 468 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 17c42bc36321..da75bab22eee 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -796,16 +796,9 @@ config OLD_SIGACTION config COMPAT_OLD_SIGACTION bool -config 64BIT_TIME - def_bool y - help - This should be selected by all architectures that need to support - new system calls with a 64-bit time_t. This is relevant on all 32-bit - architectures, and 64-bit architectures as part of compat syscall - handling. - config COMPAT_32BIT_TIME - def_bool !64BIT || COMPAT + bool "Provide system calls for 32-bit time_t" + default !64BIT || COMPAT help This enables 32 bit time_t support in addition to 64 bit time_t support. This is relevant on all 32-bit architectures, and 64-bit architectures diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index bf497b8b0ec6..94e4cde8071a 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -963,7 +963,7 @@ put_tv32(struct timeval32 __user *o, struct timespec64 *i) } static inline long -put_tv_to_tv32(struct timeval32 __user *o, struct timeval *i) +put_tv_to_tv32(struct timeval32 __user *o, struct __kernel_old_timeval *i) { return copy_to_user(o, &(struct timeval32){ .tv_sec = i->tv_sec, @@ -971,30 +971,6 @@ put_tv_to_tv32(struct timeval32 __user *o, struct timeval *i) sizeof(struct timeval32)); } -static inline long -get_it32(struct itimerval *o, struct itimerval32 __user *i) -{ - struct itimerval32 itv; - if (copy_from_user(&itv, i, sizeof(struct itimerval32))) - return -EFAULT; - o->it_interval.tv_sec = itv.it_interval.tv_sec; - o->it_interval.tv_usec = itv.it_interval.tv_usec; - o->it_value.tv_sec = itv.it_value.tv_sec; - o->it_value.tv_usec = itv.it_value.tv_usec; - return 0; -} - -static inline long -put_it32(struct itimerval32 __user *o, struct itimerval *i) -{ - return copy_to_user(o, &(struct itimerval32){ - .it_interval.tv_sec = o->it_interval.tv_sec, - .it_interval.tv_usec = o->it_interval.tv_usec, - .it_value.tv_sec = o->it_value.tv_sec, - .it_value.tv_usec = o->it_value.tv_usec}, - sizeof(struct itimerval32)); -} - static inline void jiffies_to_timeval32(unsigned long jiffies, struct timeval32 *value) { @@ -1039,47 +1015,6 @@ SYSCALL_DEFINE2(osf_settimeofday, struct timeval32 __user *, tv, asmlinkage long sys_ni_posix_timers(void); -SYSCALL_DEFINE2(osf_getitimer, int, which, struct itimerval32 __user *, it) -{ - struct itimerval kit; - int error; - - if (!IS_ENABLED(CONFIG_POSIX_TIMERS)) - return sys_ni_posix_timers(); - - error = do_getitimer(which, &kit); - if (!error && put_it32(it, &kit)) - error = -EFAULT; - - return error; -} - -SYSCALL_DEFINE3(osf_setitimer, int, which, struct itimerval32 __user *, in, - struct itimerval32 __user *, out) -{ - struct itimerval kin, kout; - int error; - - if (!IS_ENABLED(CONFIG_POSIX_TIMERS)) - return sys_ni_posix_timers(); - - if (in) { - if (get_it32(&kin, in)) - return -EFAULT; - } else - memset(&kin, 0, sizeof(kin)); - - error = do_setitimer(which, &kin, out ? &kout : NULL); - if (error || !out) - return error; - - if (put_it32(out, &kout)) - return -EFAULT; - - return 0; - -} - SYSCALL_DEFINE2(osf_utimes, const char __user *, filename, struct timeval32 __user *, tvs) { diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl index 728fe028c02c..8e13b0b2928d 100644 --- a/arch/alpha/kernel/syscalls/syscall.tbl +++ b/arch/alpha/kernel/syscalls/syscall.tbl @@ -89,10 +89,10 @@ 80 common setgroups sys_setgroups 81 common osf_old_getpgrp sys_ni_syscall 82 common setpgrp sys_setpgid -83 common osf_setitimer sys_osf_setitimer +83 common osf_setitimer compat_sys_setitimer 84 common osf_old_wait sys_ni_syscall 85 common osf_table sys_ni_syscall -86 common osf_getitimer sys_osf_getitimer +86 common osf_getitimer compat_sys_getitimer 87 common gethostname sys_gethostname 88 common sethostname sys_sethostname 89 common getdtablesize sys_getdtablesize diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c index 00e8e2a1eb19..fb0deb8a4221 100644 --- a/arch/ia64/kernel/asm-offsets.c +++ b/arch/ia64/kernel/asm-offsets.c @@ -211,7 +211,7 @@ void foo(void) offsetof (struct cpuinfo_ia64, ptce_stride)); BLANK(); DEFINE(IA64_TIMESPEC_TV_NSEC_OFFSET, - offsetof (struct timespec, tv_nsec)); + offsetof (struct __kernel_old_timespec, tv_nsec)); DEFINE(IA64_TIME_SN_SPEC_SNSEC_OFFSET, offsetof (struct time_sn_spec, snsec)); diff --git a/arch/mips/include/uapi/asm/msgbuf.h b/arch/mips/include/uapi/asm/msgbuf.h index 46aa15b13e4e..9e0c2e230274 100644 --- a/arch/mips/include/uapi/asm/msgbuf.h +++ b/arch/mips/include/uapi/asm/msgbuf.h @@ -15,9 +15,9 @@ #if defined(__mips64) struct msqid64_ds { struct ipc64_perm msg_perm; - __kernel_time_t msg_stime; /* last msgsnd time */ - __kernel_time_t msg_rtime; /* last msgrcv time */ - __kernel_time_t msg_ctime; /* last change time */ + long msg_stime; /* last msgsnd time */ + long msg_rtime; /* last msgrcv time */ + long msg_ctime; /* last change time */ unsigned long msg_cbytes; /* current number of bytes on queue */ unsigned long msg_qnum; /* number of messages in queue */ unsigned long msg_qbytes; /* max number of bytes on queue */ diff --git a/arch/mips/include/uapi/asm/sembuf.h b/arch/mips/include/uapi/asm/sembuf.h index 60c89e6cb25b..43e1b4a2f68a 100644 --- a/arch/mips/include/uapi/asm/sembuf.h +++ b/arch/mips/include/uapi/asm/sembuf.h @@ -14,8 +14,8 @@ #ifdef __mips64 struct semid64_ds { struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ - __kernel_time_t sem_otime; /* last semop time */ - __kernel_time_t sem_ctime; /* last change time */ + long sem_otime; /* last semop time */ + long sem_ctime; /* last change time */ unsigned long sem_nsems; /* no. of semaphores in array */ unsigned long __unused1; unsigned long __unused2; diff --git a/arch/mips/include/uapi/asm/shmbuf.h b/arch/mips/include/uapi/asm/shmbuf.h index 9b9bba3401f2..680bb95b2240 100644 --- a/arch/mips/include/uapi/asm/shmbuf.h +++ b/arch/mips/include/uapi/asm/shmbuf.h @@ -17,9 +17,9 @@ struct shmid64_ds { struct ipc64_perm shm_perm; /* operation perms */ size_t shm_segsz; /* size of segment (bytes) */ - __kernel_time_t shm_atime; /* last attach time */ - __kernel_time_t shm_dtime; /* last detach time */ - __kernel_time_t shm_ctime; /* last change time */ + long shm_atime; /* last attach time */ + long shm_dtime; /* last detach time */ + long shm_ctime; /* last change time */ __kernel_pid_t shm_cpid; /* pid of creator */ __kernel_pid_t shm_lpid; /* pid of last operator */ unsigned long shm_nattch; /* no. of current attaches */ diff --git a/arch/mips/include/uapi/asm/stat.h b/arch/mips/include/uapi/asm/stat.h index 95416f366d7f..3d2a3b71845c 100644 --- a/arch/mips/include/uapi/asm/stat.h +++ b/arch/mips/include/uapi/asm/stat.h @@ -26,17 +26,17 @@ struct stat { gid_t st_gid; unsigned st_rdev; long st_pad2[2]; - off_t st_size; + long st_size; long st_pad3; /* * Actually this should be timestruc_t st_atime, st_mtime and st_ctime * but we don't have it under Linux. */ - time_t st_atime; + long st_atime; long st_atime_nsec; - time_t st_mtime; + long st_mtime; long st_mtime_nsec; - time_t st_ctime; + long st_ctime; long st_ctime_nsec; long st_blksize; long st_blocks; @@ -70,13 +70,13 @@ struct stat64 { * Actually this should be timestruc_t st_atime, st_mtime and st_ctime * but we don't have it under Linux. */ - time_t st_atime; + long st_atime; unsigned long st_atime_nsec; /* Reserved for st_atime expansion */ - time_t st_mtime; + long st_mtime; unsigned long st_mtime_nsec; /* Reserved for st_mtime expansion */ - time_t st_ctime; + long st_ctime; unsigned long st_ctime_nsec; /* Reserved for st_ctime expansion */ unsigned long st_blksize; @@ -105,7 +105,7 @@ struct stat { unsigned int st_rdev; unsigned int st_pad1[3]; /* Reserved for st_rdev expansion */ - off_t st_size; + long st_size; /* * Actually this should be timestruc_t st_atime, st_mtime and st_ctime diff --git a/arch/mips/kernel/binfmt_elfn32.c b/arch/mips/kernel/binfmt_elfn32.c index 7a12763d553a..6ee3f7218c67 100644 --- a/arch/mips/kernel/binfmt_elfn32.c +++ b/arch/mips/kernel/binfmt_elfn32.c @@ -100,7 +100,7 @@ jiffies_to_old_timeval32(unsigned long jiffies, struct old_timeval32 *value) #undef TASK_SIZE #define TASK_SIZE TASK_SIZE32 -#undef ns_to_timeval -#define ns_to_timeval ns_to_old_timeval32 +#undef ns_to_kernel_old_timeval +#define ns_to_kernel_old_timeval ns_to_old_timeval32 #include "../../../fs/binfmt_elf.c" diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c index e6db06a1d31a..6dd103d3cebb 100644 --- a/arch/mips/kernel/binfmt_elfo32.c +++ b/arch/mips/kernel/binfmt_elfo32.c @@ -103,7 +103,7 @@ jiffies_to_old_timeval32(unsigned long jiffies, struct old_timeval32 *value) #undef TASK_SIZE #define TASK_SIZE TASK_SIZE32 -#undef ns_to_timeval -#define ns_to_timeval ns_to_old_timeval32 +#undef ns_to_kernel_old_timeval +#define ns_to_kernel_old_timeval ns_to_old_timeval32 #include "../../../fs/binfmt_elf.c" diff --git a/arch/nds32/kernel/vdso/gettimeofday.c b/arch/nds32/kernel/vdso/gettimeofday.c index b02581891c33..9ec03cf0ec54 100644 --- a/arch/nds32/kernel/vdso/gettimeofday.c +++ b/arch/nds32/kernel/vdso/gettimeofday.c @@ -48,9 +48,9 @@ static notrace int vdso_read_retry(const struct vdso_data *vdata, u32 start) } static notrace long clock_gettime_fallback(clockid_t _clkid, - struct timespec *_ts) + struct __kernel_old_timespec *_ts) { - register struct timespec *ts asm("$r1") = _ts; + register struct __kernel_old_timespec *ts asm("$r1") = _ts; register clockid_t clkid asm("$r0") = _clkid; register long ret asm("$r0"); @@ -63,7 +63,7 @@ static notrace long clock_gettime_fallback(clockid_t _clkid, return ret; } -static notrace int do_realtime_coarse(struct timespec *ts, +static notrace int do_realtime_coarse(struct __kernel_old_timespec *ts, struct vdso_data *vdata) { u32 seq; @@ -78,25 +78,23 @@ static notrace int do_realtime_coarse(struct timespec *ts, return 0; } -static notrace int do_monotonic_coarse(struct timespec *ts, +static notrace int do_monotonic_coarse(struct __kernel_old_timespec *ts, struct vdso_data *vdata) { - struct timespec tomono; u32 seq; + u64 ns; do { seq = vdso_read_begin(vdata); - ts->tv_sec = vdata->xtime_coarse_sec; - ts->tv_nsec = vdata->xtime_coarse_nsec; - - tomono.tv_sec = vdata->wtm_clock_sec; - tomono.tv_nsec = vdata->wtm_clock_nsec; + ts->tv_sec = vdata->xtime_coarse_sec + vdata->wtm_clock_sec; + ns = vdata->xtime_coarse_nsec + vdata->wtm_clock_nsec; } while (vdso_read_retry(vdata, seq)); - ts->tv_sec += tomono.tv_sec; - timespec_add_ns(ts, tomono.tv_nsec); + ts->tv_sec += __iter_div_u64_rem(ns, NSEC_PER_SEC, &ns); + ts->tv_nsec = ns; + return 0; } @@ -115,7 +113,7 @@ static notrace inline u64 vgetsns(struct vdso_data *vdso) return ((u64) cycle_delta & vdso->cs_mask) * vdso->cs_mult; } -static notrace int do_realtime(struct timespec *ts, struct vdso_data *vdata) +static notrace int do_realtime(struct __kernel_old_timespec *ts, struct vdso_data *vdata) { unsigned count; u64 ns; @@ -133,32 +131,31 @@ static notrace int do_realtime(struct timespec *ts, struct vdso_data *vdata) return 0; } -static notrace int do_monotonic(struct timespec *ts, struct vdso_data *vdata) +static notrace int do_monotonic(struct __kernel_old_timespec *ts, struct vdso_data *vdata) { - struct timespec tomono; - u64 nsecs; + u64 ns; u32 seq; do { seq = vdso_read_begin(vdata); ts->tv_sec = vdata->xtime_clock_sec; - nsecs = vdata->xtime_clock_nsec; - nsecs += vgetsns(vdata); - nsecs >>= vdata->cs_shift; + ns = vdata->xtime_clock_nsec; + ns += vgetsns(vdata); + ns >>= vdata->cs_shift; - tomono.tv_sec = vdata->wtm_clock_sec; - tomono.tv_nsec = vdata->wtm_clock_nsec; + ts->tv_sec += vdata->wtm_clock_sec; + ns += vdata->wtm_clock_nsec; } while (vdso_read_retry(vdata, seq)); - ts->tv_sec += tomono.tv_sec; - ts->tv_nsec = 0; - timespec_add_ns(ts, nsecs + tomono.tv_nsec); + ts->tv_sec += __iter_div_u64_rem(ns, NSEC_PER_SEC, &ns); + ts->tv_nsec = ns; + return 0; } -notrace int __vdso_clock_gettime(clockid_t clkid, struct timespec *ts) +notrace int __vdso_clock_gettime(clockid_t clkid, struct __kernel_old_timespec *ts) { struct vdso_data *vdata; int ret = -1; @@ -191,10 +188,10 @@ notrace int __vdso_clock_gettime(clockid_t clkid, struct timespec *ts) } static notrace int clock_getres_fallback(clockid_t _clk_id, - struct timespec *_res) + struct __kernel_old_timespec *_res) { register clockid_t clk_id asm("$r0") = _clk_id; - register struct timespec *res asm("$r1") = _res; + register struct __kernel_old_timespec *res asm("$r1") = _res; register int ret asm("$r0"); asm volatile ("movi $r15, %3\n" @@ -206,7 +203,7 @@ static notrace int clock_getres_fallback(clockid_t _clk_id, return ret; } -notrace int __vdso_clock_getres(clockid_t clk_id, struct timespec *res) +notrace int __vdso_clock_getres(clockid_t |