Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/compat.h b/include/linux/compat.h
index de0c13b..c4c389c 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -7,7 +7,7 @@
*/
#include <linux/types.h>
-#include <linux/compat_time.h>
+#include <linux/time.h>
#include <linux/stat.h>
#include <linux/param.h> /* for HZ */
@@ -113,19 +113,12 @@
typedef __compat_uid32_t compat_uid_t;
typedef __compat_gid32_t compat_gid_t;
-typedef compat_ulong_t compat_aio_context_t;
-
struct compat_sel_arg_struct;
struct rusage;
-struct compat_utimbuf {
- compat_time_t actime;
- compat_time_t modtime;
-};
-
struct compat_itimerval {
- struct compat_timeval it_interval;
- struct compat_timeval it_value;
+ struct old_timeval32 it_interval;
+ struct old_timeval32 it_value;
};
struct itimerval;
@@ -139,43 +132,15 @@
compat_clock_t tms_cstime;
};
-struct compat_timex {
- compat_uint_t modes;
- compat_long_t offset;
- compat_long_t freq;
- compat_long_t maxerror;
- compat_long_t esterror;
- compat_int_t status;
- compat_long_t constant;
- compat_long_t precision;
- compat_long_t tolerance;
- struct compat_timeval time;
- compat_long_t tick;
- compat_long_t ppsfreq;
- compat_long_t jitter;
- compat_int_t shift;
- compat_long_t stabil;
- compat_long_t jitcnt;
- compat_long_t calcnt;
- compat_long_t errcnt;
- compat_long_t stbcnt;
- compat_int_t tai;
-
- compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
- compat_int_t:32; compat_int_t:32; compat_int_t:32; compat_int_t:32;
- compat_int_t:32; compat_int_t:32; compat_int_t:32;
-};
-
-struct timex;
-int compat_get_timex(struct timex *, const struct compat_timex __user *);
-int compat_put_timex(struct compat_timex __user *, const struct timex *);
-
#define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW)
typedef struct {
compat_sigset_word sig[_COMPAT_NSIG_WORDS];
} compat_sigset_t;
+int set_compat_user_sigmask(const compat_sigset_t __user *umask,
+ size_t sigsetsize);
+
struct compat_sigaction {
#ifndef __ARCH_HAS_IRIX_SIGACTION
compat_uptr_t sa_handler;
@@ -310,8 +275,8 @@
};
struct compat_rusage {
- struct compat_timeval ru_utime;
- struct compat_timeval ru_stime;
+ struct old_timeval32 ru_utime;
+ struct old_timeval32 ru_stime;
compat_long_t ru_maxrss;
compat_long_t ru_ixrss;
compat_long_t ru_idrss;
@@ -445,8 +410,6 @@
struct compat_mq_attr;
struct compat_msgbuf;
-extern void compat_exit_robust_list(struct task_struct *curr);
-
#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
#define BITS_TO_COMPAT_LONGS(bits) DIV_ROUND_UP(bits, BITS_PER_COMPAT_LONG)
@@ -455,13 +418,13 @@
unsigned long bitmap_size);
long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
unsigned long bitmap_size);
-int copy_siginfo_from_user32(siginfo_t *to, const struct compat_siginfo __user *from);
-int copy_siginfo_to_user32(struct compat_siginfo __user *to, const siginfo_t *from);
+int copy_siginfo_from_user32(kernel_siginfo_t *to, const struct compat_siginfo __user *from);
+int copy_siginfo_to_user32(struct compat_siginfo __user *to, const kernel_siginfo_t *from);
int get_compat_sigevent(struct sigevent *event,
const struct compat_sigevent __user *u_event);
-static inline int compat_timeval_compare(struct compat_timeval *lhs,
- struct compat_timeval *rhs)
+static inline int old_timeval32_compare(struct old_timeval32 *lhs,
+ struct old_timeval32 *rhs)
{
if (lhs->tv_sec < rhs->tv_sec)
return -1;
@@ -470,8 +433,8 @@
return lhs->tv_usec - rhs->tv_usec;
}
-static inline int compat_timespec_compare(struct compat_timespec *lhs,
- struct compat_timespec *rhs)
+static inline int old_timespec32_compare(struct old_timespec32 *lhs,
+ struct old_timespec32 *rhs)
{
if (lhs->tv_sec < rhs->tv_sec)
return -1;
@@ -495,8 +458,11 @@
compat_sigset_t v;
switch (_NSIG_WORDS) {
case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
+ /* fall through */
case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
+ /* fall through */
case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
+ /* fall through */
case 1: v.sig[1] = (set->sig[0] >> 32); v.sig[0] = set->sig[0];
}
return copy_to_user(compat, &v, size) ? -EFAULT : 0;
@@ -551,16 +517,17 @@
asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p);
asmlinkage long compat_sys_io_submit(compat_aio_context_t ctx_id, int nr,
u32 __user *iocb);
-asmlinkage long compat_sys_io_getevents(compat_aio_context_t ctx_id,
- compat_long_t min_nr,
- compat_long_t nr,
- struct io_event __user *events,
- struct compat_timespec __user *timeout);
asmlinkage long compat_sys_io_pgetevents(compat_aio_context_t ctx_id,
compat_long_t min_nr,
compat_long_t nr,
struct io_event __user *events,
- struct compat_timespec __user *timeout,
+ struct old_timespec32 __user *timeout,
+ const struct __compat_aio_sigset __user *usig);
+asmlinkage long compat_sys_io_pgetevents_time64(compat_aio_context_t ctx_id,
+ compat_long_t min_nr,
+ compat_long_t nr,
+ struct io_event __user *events,
+ struct __kernel_timespec __user *timeout,
const struct __compat_aio_sigset __user *usig);
/* fs/cookies.c */
@@ -642,14 +609,24 @@
compat_loff_t __user *offset, compat_size_t count);
/* fs/select.c */
-asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp,
+asmlinkage long compat_sys_pselect6_time32(int n, compat_ulong_t __user *inp,
compat_ulong_t __user *outp,
compat_ulong_t __user *exp,
- struct compat_timespec __user *tsp,
+ struct old_timespec32 __user *tsp,
void __user *sig);
-asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
+asmlinkage long compat_sys_pselect6_time64(int n, compat_ulong_t __user *inp,
+ compat_ulong_t __user *outp,
+ compat_ulong_t __user *exp,
+ struct __kernel_timespec __user *tsp,
+ void __user *sig);
+asmlinkage long compat_sys_ppoll_time32(struct pollfd __user *ufds,
unsigned int nfds,
- struct compat_timespec __user *tsp,
+ struct old_timespec32 __user *tsp,
+ const compat_sigset_t __user *sigmask,
+ compat_size_t sigsetsize);
+asmlinkage long compat_sys_ppoll_time64(struct pollfd __user *ufds,
+ unsigned int nfds,
+ struct __kernel_timespec __user *tsp,
const compat_sigset_t __user *sigmask,
compat_size_t sigsetsize);
@@ -672,19 +649,6 @@
/* fs/sync.c: No generic prototype for sync_file_range and sync_file_range2 */
-/* fs/timerfd.c */
-asmlinkage long compat_sys_timerfd_gettime(int ufd,
- struct compat_itimerspec __user *otmr);
-asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
- const struct compat_itimerspec __user *utmr,
- struct compat_itimerspec __user *otmr);
-
-/* fs/utimes.c */
-asmlinkage long compat_sys_utimensat(unsigned int dfd,
- const char __user *filename,
- struct compat_timespec __user *t,
- int flags);
-
/* kernel/exit.c */
asmlinkage long compat_sys_waitid(int, compat_pid_t,
struct compat_siginfo __user *, int,
@@ -693,9 +657,6 @@
/* kernel/futex.c */
-asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
- struct compat_timespec __user *utime, u32 __user *uaddr2,
- u32 val3);
asmlinkage long
compat_sys_set_robust_list(struct compat_robust_list_head __user *head,
compat_size_t len);
@@ -703,10 +664,6 @@
compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
compat_size_t __user *len_ptr);
-/* kernel/hrtimer.c */
-asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
- struct compat_timespec __user *rmtp);
-
/* kernel/itimer.c */
asmlinkage long compat_sys_getitimer(int which,
struct compat_itimerval __user *it);
@@ -724,20 +681,6 @@
asmlinkage long compat_sys_timer_create(clockid_t which_clock,
struct compat_sigevent __user *timer_event_spec,
timer_t __user *created_timer_id);
-asmlinkage long compat_sys_timer_gettime(timer_t timer_id,
- struct compat_itimerspec __user *setting);
-asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags,
- struct compat_itimerspec __user *new,
- struct compat_itimerspec __user *old);
-asmlinkage long compat_sys_clock_settime(clockid_t which_clock,
- struct compat_timespec __user *tp);
-asmlinkage long compat_sys_clock_gettime(clockid_t which_clock,
- struct compat_timespec __user *tp);
-asmlinkage long compat_sys_clock_getres(clockid_t which_clock,
- struct compat_timespec __user *tp);
-asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags,
- struct compat_timespec __user *rqtp,
- struct compat_timespec __user *rmtp);
/* kernel/ptrace.c */
asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
@@ -750,8 +693,6 @@
asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid,
unsigned int len,
compat_ulong_t __user *user_mask_ptr);
-asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid,
- struct compat_timespec __user *interval);
/* kernel/signal.c */
asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr,
@@ -769,9 +710,12 @@
compat_size_t sigsetsize);
asmlinkage long compat_sys_rt_sigpending(compat_sigset_t __user *uset,
compat_size_t sigsetsize);
-asmlinkage long compat_sys_rt_sigtimedwait(compat_sigset_t __user *uthese,
+asmlinkage long compat_sys_rt_sigtimedwait_time32(compat_sigset_t __user *uthese,
struct compat_siginfo __user *uinfo,
- struct compat_timespec __user *uts, compat_size_t sigsetsize);
+ struct old_timespec32 __user *uts, compat_size_t sigsetsize);
+asmlinkage long compat_sys_rt_sigtimedwait_time64(compat_sigset_t __user *uthese,
+ struct compat_siginfo __user *uinfo,
+ struct __kernel_timespec __user *uts, compat_size_t sigsetsize);
asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig,
struct compat_siginfo __user *uinfo);
/* No generic prototype for rt_sigreturn */
@@ -785,11 +729,10 @@
asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru);
/* kernel/time.c */
-asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv,
+asmlinkage long compat_sys_gettimeofday(struct old_timeval32 __user *tv,
struct timezone __user *tz);
-asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv,
+asmlinkage long compat_sys_settimeofday(struct old_timeval32 __user *tv,
struct timezone __user *tz);
-asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
/* kernel/timer.c */
asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info);
@@ -798,14 +741,6 @@
asmlinkage long compat_sys_mq_open(const char __user *u_name,
int oflag, compat_mode_t mode,
struct compat_mq_attr __user *u_attr);
-asmlinkage long compat_sys_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);
-asmlinkage ssize_t compat_sys_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);
asmlinkage long compat_sys_mq_notify(mqd_t mqdes,
const struct compat_sigevent __user *u_notification);
asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes,
@@ -821,8 +756,6 @@
/* ipc/sem.c */
asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg);
-asmlinkage long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
- unsigned nsems, const struct compat_timespec __user *timeout);
/* ipc/shm.c */
asmlinkage long compat_sys_shmctl(int first, int second, void __user *uptr);
@@ -877,9 +810,12 @@
asmlinkage long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid,
compat_pid_t pid, int sig,
struct compat_siginfo __user *uinfo);
-asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
+asmlinkage long compat_sys_recvmmsg_time64(int fd, struct compat_mmsghdr __user *mmsg,
unsigned vlen, unsigned int flags,
- struct compat_timespec __user *timeout);
+ struct __kernel_timespec __user *timeout);
+asmlinkage long compat_sys_recvmmsg_time32(int fd, struct compat_mmsghdr __user *mmsg,
+ unsigned vlen, unsigned int flags,
+ struct old_timespec32 __user *timeout);
asmlinkage long compat_sys_wait4(compat_pid_t pid,
compat_uint_t __user *stat_addr, int options,
struct compat_rusage __user *ru);
@@ -888,8 +824,6 @@
asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
struct file_handle __user *handle,
int flags);
-asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock,
- struct compat_timex __user *tp);
asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
unsigned vlen, unsigned int flags);
asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
@@ -930,8 +864,6 @@
/* __ARCH_WANT_SYSCALL_NO_AT */
asmlinkage long compat_sys_open(const char __user *filename, int flags,
umode_t mode);
-asmlinkage long compat_sys_utimes(const char __user *filename,
- struct compat_timeval __user *t);
/* __ARCH_WANT_SYSCALL_NO_FLAGS */
asmlinkage long compat_sys_signalfd(int ufd,
@@ -945,15 +877,9 @@
struct compat_stat __user *statbuf);
/* __ARCH_WANT_SYSCALL_DEPRECATED */
-asmlinkage long compat_sys_time(compat_time_t __user *tloc);
-asmlinkage long compat_sys_utime(const char __user *filename,
- struct compat_utimbuf __user *t);
-asmlinkage long compat_sys_futimesat(unsigned int dfd,
- const char __user *filename,
- struct compat_timeval __user *t);
asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
compat_ulong_t __user *outp, compat_ulong_t __user *exp,
- struct compat_timeval __user *tvp);
+ struct old_timeval32 __user *tvp);
asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32);
asmlinkage long compat_sys_recv(int fd, void __user *buf, compat_size_t len,
unsigned flags);
@@ -985,9 +911,6 @@
struct compat_old_sigaction __user *oact);
#endif
-/* obsolete: kernel/time/time.c */
-asmlinkage long compat_sys_stime(compat_time_t __user *tptr);
-
/* obsolete: net/socket.c */
asmlinkage long compat_sys_socketcall(int call, u32 __user *args);
@@ -1005,15 +928,15 @@
#endif
/**
- * ns_to_compat_timeval - Compat version of ns_to_timeval
+ * ns_to_old_timeval32 - Compat version of ns_to_timeval
* @nsec: the nanoseconds value to be converted
*
- * Returns the compat_timeval representation of the nsec parameter.
+ * Returns the old_timeval32 representation of the nsec parameter.
*/
-static inline struct compat_timeval ns_to_compat_timeval(s64 nsec)
+static inline struct old_timeval32 ns_to_old_timeval32(s64 nsec)
{
struct timeval tv;
- struct compat_timeval ctv;
+ struct old_timeval32 ctv;
tv = ns_to_timeval(nsec);
ctv.tv_sec = tv.tv_sec;
@@ -1036,9 +959,9 @@
#else /* !CONFIG_COMPAT */
#define is_compat_task() (0)
-#ifndef in_compat_syscall
+/* Ensure no one redefines in_compat_syscall() under !CONFIG_COMPAT */
+#define in_compat_syscall in_compat_syscall
static inline bool in_compat_syscall(void) { return false; }
-#endif
#endif /* CONFIG_COMPAT */