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uml: time build fix

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Put back an implementation of timeval_to_ns in arch/um/os-Linux/time.c.
tglx pointed out in his review of tickless support that there was a
perfectly good implementation of it in linux/time.h.  The problem is that
this is userspace code which can't pull in kernel headers and there doesn't
seem to be a libc version.

So, I'm copying the version from linux/time.h rather than resurrecting my
version.  This causes some declaration changes as it now returns a signed
value rather than an unsigned value.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Dike
2007-10-16 01:27:27 -07:00
committed by Linus Torvalds
parent b160fb6309
commit 5f734614fc
2 changed files with 21 additions and 5 deletions
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4
arch/um/include/os.h
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@ -254,9 +254,9 @@ extern void os_dump_core(void);
extern void idle_sleep(unsigned long long nsecs);
extern int set_interval(void);
extern int timer_one_shot(int ticks);
extern unsigned long long disable_timer(void);
extern long long disable_timer(void);
extern void uml_idle_timer(void);
extern unsigned long long os_nsecs(void);
extern long long os_nsecs(void);
/* skas/mem.c */
extern long run_syscall_stub(struct mm_id * mm_idp,