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Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull timekeeping updates from Thomas Gleixner:
 "The timers and timekeeping departement provides:

   - Another large y2038 update with further preparations for providing
     the y2038 safe timespecs closer to the syscalls.

   - An overhaul of the SHCMT clocksource driver

   - SPDX license identifier updates

   - Small cleanups and fixes all over the place"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (31 commits)
  tick/sched : Remove redundant cpu_online() check
  clocksource/drivers/dw_apb: Add reset control
  clocksource: Remove obsolete CLOCKSOURCE_OF_DECLARE
  clocksource/drivers: Unify the names to timer-* format
  clocksource/drivers/sh_cmt: Add R-Car gen3 support
  dt-bindings: timer: renesas: cmt: document R-Car gen3 support
  clocksource/drivers/sh_cmt: Properly line-wrap sh_cmt_of_table[] initializer
  clocksource/drivers/sh_cmt: Fix clocksource width for 32-bit machines
  clocksource/drivers/sh_cmt: Fixup for 64-bit machines
  clocksource/drivers/sh_tmu: Convert to SPDX identifiers
  clocksource/drivers/sh_mtu2: Convert to SPDX identifiers
  clocksource/drivers/sh_cmt: Convert to SPDX identifiers
  clocksource/drivers/renesas-ostm: Convert to SPDX identifiers
  clocksource: Convert to using %pOFn instead of device_node.name
  tick/broadcast: Remove redundant check
  RISC-V: Request newstat syscalls
  y2038: signal: Change rt_sigtimedwait to use __kernel_timespec
  y2038: socket: Change recvmmsg to use __kernel_timespec
  y2038: sched: Change sched_rr_get_interval to use __kernel_timespec
  y2038: utimes: Rework #ifdef guards for compat syscalls
  ...
This commit is contained in:
Linus Torvalds 2018-10-25 11:14:36 -07:00
commit 4dcb9239da
100 changed files with 511 additions and 725 deletions
Download patch file Download diff file Expand all files Collapse all files

8
ipc/mqueue.c
View file

@ -1461,10 +1461,10 @@ COMPAT_SYSCALL_DEFINE3(mq_getsetattr, mqd_t, mqdes,
#endif
#ifdef CONFIG_COMPAT_32BIT_TIME
static int compat_prepare_timeout(const struct compat_timespec __user *p,
static int compat_prepare_timeout(const struct old_timespec32 __user *p,
struct timespec64 *ts)
{
if (compat_get_timespec64(ts, p))
if (get_old_timespec32(ts, p))
return -EFAULT;
if (!timespec64_valid(ts))
return -EINVAL;
@ -1474,7 +1474,7 @@ static int compat_prepare_timeout(const struct compat_timespec __user *p,
COMPAT_SYSCALL_DEFINE5(mq_timedsend, mqd_t, mqdes,
const char __user *, u_msg_ptr,
compat_size_t, msg_len, unsigned int, msg_prio,
const struct compat_timespec __user *, u_abs_timeout)
const struct old_timespec32 __user *, u_abs_timeout)
{
struct timespec64 ts, *p = NULL;
if (u_abs_timeout) {
@ -1489,7 +1489,7 @@ COMPAT_SYSCALL_DEFINE5(mq_timedsend, mqd_t, mqdes,
COMPAT_SYSCALL_DEFINE5(mq_timedreceive, mqd_t, mqdes,
char __user *, u_msg_ptr,
compat_size_t, msg_len, unsigned int __user *, u_msg_prio,
const struct compat_timespec __user *, u_abs_timeout)
const struct old_timespec32 __user *, u_abs_timeout)
{
struct timespec64 ts, *p = NULL;
if (u_abs_timeout) {

6
ipc/msg.c
View file

@ -622,9 +622,9 @@ struct compat_msqid_ds {
struct compat_ipc_perm msg_perm;
compat_uptr_t msg_first;
compat_uptr_t msg_last;
compat_time_t msg_stime;
compat_time_t msg_rtime;
compat_time_t msg_ctime;
old_time32_t msg_stime;
old_time32_t msg_rtime;
old_time32_t msg_ctime;
compat_ulong_t msg_lcbytes;
compat_ulong_t msg_lqbytes;
unsigned short msg_cbytes;

10
ipc/sem.c
View file

@ -1698,8 +1698,8 @@ SYSCALL_DEFINE4(semctl, int, semid, int, semnum, int, cmd, unsigned long, arg)
struct compat_semid_ds {
struct compat_ipc_perm sem_perm;
compat_time_t sem_otime;
compat_time_t sem_ctime;
old_time32_t sem_otime;
old_time32_t sem_ctime;
compat_uptr_t sem_base;
compat_uptr_t sem_pending;
compat_uptr_t sem_pending_last;
@ -2214,11 +2214,11 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,
#ifdef CONFIG_COMPAT_32BIT_TIME
long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,
unsigned int nsops,
const struct compat_timespec __user *timeout)
const struct old_timespec32 __user *timeout)
{
if (timeout) {
struct timespec64 ts;
if (compat_get_timespec64(&ts, timeout))
if (get_old_timespec32(&ts, timeout))
return -EFAULT;
return do_semtimedop(semid, tsems, nsops, &ts);
}
@ -2227,7 +2227,7 @@ long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,
COMPAT_SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsems,
unsigned int, nsops,
const struct compat_timespec __user *, timeout)
const struct old_timespec32 __user *, timeout)
{
return compat_ksys_semtimedop(semid, tsems, nsops, timeout);
}

6
ipc/shm.c
View file

@ -1202,9 +1202,9 @@ SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)
struct compat_shmid_ds {
struct compat_ipc_perm shm_perm;
int shm_segsz;
compat_time_t shm_atime;
compat_time_t shm_dtime;
compat_time_t shm_ctime;
old_time32_t shm_atime;
old_time32_t shm_dtime;
old_time32_t shm_ctime;
compat_ipc_pid_t shm_cpid;
compat_ipc_pid_t shm_lpid;
unsigned short shm_nattch;

2
ipc/syscall.c
View file

@ -35,7 +35,7 @@ SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second,
(const struct __kernel_timespec __user *)fifth);
else if (IS_ENABLED(CONFIG_COMPAT_32BIT_TIME))
return compat_ksys_semtimedop(first, ptr, second,
(const struct compat_timespec __user *)fifth);
(const struct old_timespec32 __user *)fifth);
else
return -ENOSYS;

2
ipc/util.h
View file

@ -266,7 +266,7 @@ long ksys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
/* for CONFIG_ARCH_WANT_OLD_COMPAT_IPC */
long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,
unsigned int nsops,
const struct compat_timespec __user *timeout);
const struct old_timespec32 __user *timeout);
#ifdef CONFIG_COMPAT
long compat_ksys_semctl(int semid, int semnum, int cmd, int arg);
long compat_ksys_msgctl(int msqid, int cmd, void __user *uptr);