Re: Fwd: [PATCH] s390 (1/7): s390 arch fixes.

[Pete Zaitcev]

> --- linux-2.5.64/arch/s390/kernel/time.c	Wed Mar  5 04:28:53 2003
> +++ linux-2.5.64-s390/arch/s390/kernel/time.c	Fri Mar  7 11:40:12 2003
> @@ -202,14 +203,14 @@
>  	unsigned long cr0;
>  	__u64 timer;
>  
> +	timer = jiffies_timer_cc + jiffies_64 * CLK_TICKS_PER_JIFFY;
> +	S390_lowcore.jiffy_timer = timer;
> +	timer += CLK_TICKS_PER_JIFFY + CPU_DEVIATION;
> +	asm volatile ("SCKC %0" : : "m" (timer));
>          /* allow clock comparator timer interrupt */
>          asm volatile ("STCTL 0,0,%0" : "=m" (cr0) : : "memory");
>          cr0 |= 0x800;
>          asm volatile ("LCTL 0,0,%0" : : "m" (cr0) : "memory");
> -	timer = init_timer_cc + jiffies_64 * CLK_TICKS_PER_JIFFY;
> -	S390_lowcore.jiffy_timer = timer;
> -	timer += CLK_TICKS_PER_JIFFY + CPU_DEVIATION;
> -	asm volatile ("SCKC %0" : : "m" (timer));
>  }
>  
>  /*

This is a good fix, I confirm it fixing my booting problem ...
on 2.4! Seriously, I can't believe it worked before.
Please send it to Marcelo, too.

-- Pete