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sched_rr_get_interval(): move compat to native, get rid of set_fs()

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switch to using timespec64 internally, while we are at it

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-09-19 18:17:46 -04:00
parent 7bea578b5f
commit abca5fc535
2 changed files with 30 additions and 22 deletions
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16
kernel/compat.c
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@ -562,22 +562,6 @@ COMPAT_SYSCALL_DEFINE4(migrate_pages, compat_pid_t, pid,
}
#endif
COMPAT_SYSCALL_DEFINE2(sched_rr_get_interval,
compat_pid_t, pid,
struct compat_timespec __user *, interval)
{
struct timespec t;
int ret;
mm_segment_t old_fs = get_fs();
set_fs(KERNEL_DS);
ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t);
set_fs(old_fs);
if (compat_put_timespec(&t, interval))
return -EFAULT;
return ret;
}
/*
* Allocate user-space memory for the duration of a single system call,
* in order to marshall parameters inside a compat thunk.