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SubjectRe: [PATCH] Re: AMD Mobile Semprons (3500+, 3600+,...) break with nohz and highres enabled
On Wed, 16 Jul 2008, Thomas Renninger wrote:

> This is against Andi's (ak) release branch,
> hope that is ok...

No idea what that is.

> Can this one be reviewed/added, pls.

Reviewed yes. Added no.

> kernel/time/tick-sched.c | 31 +++++++++++++++++++++++++++++++
> 1 files changed, 31 insertions(+), 0 deletions(-)
>
> diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
> index b854a89..bda0164 100644
> --- a/kernel/time/tick-sched.c
> +++ b/kernel/time/tick-sched.c
> @@ -589,6 +589,32 @@ static enum hrtimer_restart tick_sched_timer(struct
> hrtimer *timer)
> return HRTIMER_RESTART;
> }
>
> +#if defined(CONFIG_X86) && defined(CONFIG_NO_HZ)
> +static __init int is_nohz_broken(void)
> +{

We definitely do not add x86 quirks into the generic code.

Is there really no other way to fix this problem ? Which chipset is
involved here ? SB400/600 perhaps ?

Thanks,

tglx




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