On Thu, 2006-02-23 at 16:26 -0800, Tony Lindgren wrote:
> + tv = ktime_to_timespec(event);
> +
> + /* Assume read xtime_lock is held, so we can't use getnstimeofday() */
> + sec = xtime.tv_sec;
> + nsec = xtime.tv_nsec;
> + while (unlikely(nsec >= NSEC_PER_SEC)) {
> + nsec -= NSEC_PER_SEC;
> + ++sec;
> + }
> + tv.tv_sec = sec;
> + tv.tv_nsec = nsec;
Er, I think you should be able to nest readers. Thus getnstimeofday()
should be safe to call. Or is the comment wrong and you are assuming a
write lock is held?
thanks
-john
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
