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-rw-r--r--include/asm-generic/compat.h3
-rw-r--r--include/linux/compat.h12
-rw-r--r--include/linux/compat_time.h23
-rw-r--r--include/linux/restart_block.h7
-rw-r--r--include/linux/syscalls.h13
-rw-r--r--include/linux/time.h4
-rw-r--r--include/linux/time64.h10
-rw-r--r--include/uapi/asm-generic/posix_types.h1
-rw-r--r--include/uapi/linux/time.h7
9 files changed, 62 insertions, 18 deletions
diff --git a/include/asm-generic/compat.h b/include/asm-generic/compat.h
new file mode 100644
index 000000000000..28819451b6d1
--- /dev/null
+++ b/include/asm-generic/compat.h
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/* This is an empty stub for 32-bit-only architectures */
diff --git a/include/linux/compat.h b/include/linux/compat.h
index ad192057b887..b1a5562b3215 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -7,8 +7,7 @@
*/
#include <linux/types.h>
-
-#ifdef CONFIG_COMPAT
+#include <linux/compat_time.h>
#include <linux/stat.h>
#include <linux/param.h> /* for HZ */
@@ -21,8 +20,11 @@
#include <linux/unistd.h>
#include <asm/compat.h>
+
+#ifdef CONFIG_COMPAT
#include <asm/siginfo.h>
#include <asm/signal.h>
+#endif
#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
/*
@@ -83,6 +85,8 @@
static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#endif /* COMPAT_SYSCALL_DEFINEx */
+#ifdef CONFIG_COMPAT
+
#ifndef compat_user_stack_pointer
#define compat_user_stack_pointer() current_user_stack_pointer()
#endif
@@ -290,8 +294,6 @@ extern int compat_get_timespec(struct timespec *, const void __user *);
extern int compat_put_timespec(const struct timespec *, void __user *);
extern int compat_get_timeval(struct timeval *, const void __user *);
extern int compat_put_timeval(const struct timeval *, void __user *);
-extern int compat_get_timespec64(struct timespec64 *, const void __user *);
-extern int compat_put_timespec64(const struct timespec64 *, void __user *);
extern int get_compat_itimerspec64(struct itimerspec64 *its,
const struct compat_itimerspec __user *uits);
extern int put_compat_itimerspec64(const struct itimerspec64 *its,
@@ -1023,7 +1025,9 @@ static inline struct compat_timeval ns_to_compat_timeval(s64 nsec)
#else /* !CONFIG_COMPAT */
#define is_compat_task() (0)
+#ifndef in_compat_syscall
static inline bool in_compat_syscall(void) { return false; }
+#endif
#endif /* CONFIG_COMPAT */
diff --git a/include/linux/compat_time.h b/include/linux/compat_time.h
new file mode 100644
index 000000000000..31f2774f1994
--- /dev/null
+++ b/include/linux/compat_time.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_COMPAT_TIME_H
+#define _LINUX_COMPAT_TIME_H
+
+#include <linux/types.h>
+#include <linux/time64.h>
+
+typedef s32 compat_time_t;
+
+struct compat_timespec {
+ compat_time_t tv_sec;
+ s32 tv_nsec;
+};
+
+struct compat_timeval {
+ compat_time_t tv_sec;
+ s32 tv_usec;
+};
+
+extern int compat_get_timespec64(struct timespec64 *, const void __user *);
+extern int compat_put_timespec64(const struct timespec64 *, void __user *);
+
+#endif /* _LINUX_COMPAT_TIME_H */
diff --git a/include/linux/restart_block.h b/include/linux/restart_block.h
index bcfdb918cd81..5d83d0c1d06c 100644
--- a/include/linux/restart_block.h
+++ b/include/linux/restart_block.h
@@ -7,6 +7,7 @@
#include <linux/compiler.h>
#include <linux/types.h>
+#include <linux/time64.h>
struct timespec;
struct compat_timespec;
@@ -15,9 +16,7 @@ struct pollfd;
enum timespec_type {
TT_NONE = 0,
TT_NATIVE = 1,
-#ifdef CONFIG_COMPAT
TT_COMPAT = 2,
-#endif
};
/*
@@ -40,10 +39,8 @@ struct restart_block {
clockid_t clockid;
enum timespec_type type;
union {
- struct timespec __user *rmtp;
-#ifdef CONFIG_COMPAT
+ struct __kernel_timespec __user *rmtp;
struct compat_timespec __user *compat_rmtp;
-#endif
};
u64 expires;
} nanosleep;
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 811172fcb916..796ea267f1c7 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -542,7 +542,8 @@ asmlinkage long sys_set_robust_list(struct robust_list_head __user *head,
size_t len);
/* kernel/hrtimer.c */
-asmlinkage long sys_nanosleep(struct timespec __user *rqtp, struct timespec __user *rmtp);
+asmlinkage long sys_nanosleep(struct __kernel_timespec __user *rqtp,
+ struct __kernel_timespec __user *rmtp);
/* kernel/itimer.c */
asmlinkage long sys_getitimer(int which, struct itimerval __user *value);
@@ -573,14 +574,14 @@ asmlinkage long sys_timer_settime(timer_t timer_id, int flags,
struct itimerspec __user *old_setting);
asmlinkage long sys_timer_delete(timer_t timer_id);
asmlinkage long sys_clock_settime(clockid_t which_clock,
- const struct timespec __user *tp);
+ const struct __kernel_timespec __user *tp);
asmlinkage long sys_clock_gettime(clockid_t which_clock,
- struct timespec __user *tp);
+ struct __kernel_timespec __user *tp);
asmlinkage long sys_clock_getres(clockid_t which_clock,
- struct timespec __user *tp);
+ struct __kernel_timespec __user *tp);
asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags,
- const struct timespec __user *rqtp,
- struct timespec __user *rmtp);
+ const struct __kernel_timespec __user *rqtp,
+ struct __kernel_timespec __user *rmtp);
/* kernel/printk.c */
asmlinkage long sys_syslog(int type, char __user *buf, int len);
diff --git a/include/linux/time.h b/include/linux/time.h
index 4b62a2c0a661..aed74463592d 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -10,9 +10,9 @@
extern struct timezone sys_tz;
int get_timespec64(struct timespec64 *ts,
- const struct timespec __user *uts);
+ const struct __kernel_timespec __user *uts);
int put_timespec64(const struct timespec64 *ts,
- struct timespec __user *uts);
+ struct __kernel_timespec __user *uts);
int get_itimerspec64(struct itimerspec64 *it,
const struct itimerspec __user *uit);
int put_itimerspec64(const struct itimerspec64 *it,
diff --git a/include/linux/time64.h b/include/linux/time64.h
index 93d39499838e..0d96887ba4e0 100644
--- a/include/linux/time64.h
+++ b/include/linux/time64.h
@@ -2,12 +2,20 @@
#ifndef _LINUX_TIME64_H
#define _LINUX_TIME64_H
-#include <uapi/linux/time.h>
#include <linux/math64.h>
typedef __s64 time64_t;
typedef __u64 timeu64_t;
+/* CONFIG_64BIT_TIME enables new 64 bit time_t syscalls in the compat path
+ * and 32-bit emulation.
+ */
+#ifndef CONFIG_64BIT_TIME
+#define __kernel_timespec timespec
+#endif
+
+#include <uapi/linux/time.h>
+
#if __BITS_PER_LONG == 64
/* this trick allows us to optimize out timespec64_to_timespec */
# define timespec64 timespec
diff --git a/include/uapi/asm-generic/posix_types.h b/include/uapi/asm-generic/posix_types.h
index 5e6ea22bd525..f0733a26ebfc 100644
--- a/include/uapi/asm-generic/posix_types.h
+++ b/include/uapi/asm-generic/posix_types.h
@@ -87,6 +87,7 @@ typedef struct {
typedef __kernel_long_t __kernel_off_t;
typedef long long __kernel_loff_t;
typedef __kernel_long_t __kernel_time_t;
+typedef long long __kernel_time64_t;
typedef __kernel_long_t __kernel_clock_t;
typedef int __kernel_timer_t;
typedef int __kernel_clockid_t;
diff --git a/include/uapi/linux/time.h b/include/uapi/linux/time.h
index 4c0338ea308a..fcf936656493 100644
--- a/include/uapi/linux/time.h
+++ b/include/uapi/linux/time.h
@@ -42,6 +42,13 @@ struct itimerval {
struct timeval it_value; /* current value */
};
+#ifndef __kernel_timespec
+struct __kernel_timespec {
+ __kernel_time64_t tv_sec; /* seconds */
+ long long tv_nsec; /* nanoseconds */
+};
+#endif
+
/*
* legacy timeval structure, only embedded in structures that
* traditionally used 'timeval' to pass time intervals (not absolute
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-21 19:27:54 +0300