Re: calibrate_migration_costs takes ages on s390

* Heiko Carstens <[email protected]> wrote:

> --- a/arch/s390/lib/delay.c
> +++ b/arch/s390/lib/delay.c
> @@ -30,7 +30,7 @@ void __delay(unsigned long loops)
>           */
>          __asm__ __volatile__(
>                  "0: brct %0,0b"
> -                : /* no outputs */ : "r" (loops/2) );
> +                : /* no outputs */ : "r" ((loops/2) + 1));
>  }

ahh ... that explains the delays indeed!

	Ingo
-
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/

---

• Follow-Ups:
  • Re: calibrate_migration_costs takes ages on s390
    • From: Ingo Molnar <[email protected]>

• References:
  • calibrate_migration_costs takes ages on s390
    • From: Heiko Carstens <[email protected]>
  • Re: calibrate_migration_costs takes ages on s390
    • From: Ingo Molnar <[email protected]>
  • Re: calibrate_migration_costs takes ages on s390
    • From: Olaf Hering <[email protected]>
  • Re: calibrate_migration_costs takes ages on s390
    • From: Olaf Hering <[email protected]>
  • Re: calibrate_migration_costs takes ages on s390
    • From: Heiko Carstens <[email protected]>
  • Re: calibrate_migration_costs takes ages on s390
    • From: Heiko Carstens <[email protected]>

• Prev by Date: Re: [PATCH 00/12] hrtimer patches
• Next by Date: Re: calibrate_migration_costs takes ages on s390
• Previous by thread: Re: calibrate_migration_costs takes ages on s390
• Next by thread: Re: calibrate_migration_costs takes ages on s390
• Index(es):
  • Date
  • Thread

[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]