Tigran Aivazian wrote:
>
> Ok, then it applies to lost_ticks and lost_ticks_system as well. And
> therefore a cleaner way of doing it (as Richard Johnson suggested) would
> be in asm:
>
> --- timer.c.0 Thu Jan 6 15:13:21 2000
> +++ timer.c Thu Jan 6 15:15:31 2000
> @@ -629,12 +629,11 @@
>
> void do_timer(struct pt_regs * regs)
> {
> - /* (*(unsigned long *)&jiffies)++; */
> - jiffies++;
> - lost_ticks++;
> + __asm__ __volatile__("incl jiffies");
> + __asm__ __volatile__("incl lost_ticks");
> mark_bh(TIMER_BH);
> if (!user_mode(regs))
> - lost_ticks_system++;
> + __asm__ __volatile__("incl lost_ticks_system");
> if (tq_timer)
> mark_bh(TQUEUE_BH);
> }
>
> Thsi is better than the *& hack because it is gcc-version-independent.
IMHO untill this is in the arch independent part of the kernel it is
better to use *& hacks.
Petkan
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