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-rw-r--r--include/linux/compat.h17
1 files changed, 15 insertions, 2 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 1c5f3152cbb5..5a6a109b4a50 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -94,6 +94,10 @@ struct compat_itimerval {
struct compat_timeval it_value;
};
+struct itimerval;
+int get_compat_itimerval(struct itimerval *, const struct compat_itimerval __user *);
+int put_compat_itimerval(struct compat_itimerval __user *, const struct itimerval *);
+
struct compat_tms {
compat_clock_t tms_utime;
compat_clock_t tms_stime;
@@ -128,6 +132,10 @@ struct compat_timex {
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 {
@@ -156,6 +164,12 @@ 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,
+ struct compat_itimerspec __user *uits);
/*
* This function convert a timespec if necessary and returns a *user
@@ -388,8 +402,7 @@ asmlinkage long compat_sys_wait4(compat_pid_t pid,
#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t))
-#define BITS_TO_COMPAT_LONGS(bits) \
- (((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
+#define BITS_TO_COMPAT_LONGS(bits) DIV_ROUND_UP(bits, BITS_PER_COMPAT_LONG)
long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
unsigned long bitmap_size);