On Tue, Apr 09, 2019 at 12:59:46PM +0200, Peter Zijlstra wrote:
> On Tue, Mar 26, 2019 at 09:49:13PM +0100, Thomas Gleixner wrote:
> > So way you should handle this is:
> >
> > cpumask_set_cpu(cpu, hld_data->cpu_monitored_mask);
> >
> > if (!hld_data->enabled_cpus++) {
> > hld
On Tue, Apr 09, 2019 at 01:03:40PM +0200, Peter Zijlstra wrote:
> On Wed, Feb 27, 2019 at 08:05:15AM -0800, Ricardo Neri wrote:
> > diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h
> > index 4d559e0c746f..15dc3b576496 100644
> > --- a/arch/x86/include/asm/hpet.h
> > +++ b/arch
On Wed, Feb 27, 2019 at 08:05:15AM -0800, Ricardo Neri wrote:
> diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h
> index 4d559e0c746f..15dc3b576496 100644
> --- a/arch/x86/include/asm/hpet.h
> +++ b/arch/x86/include/asm/hpet.h
> @@ -123,12 +123,24 @@ struct hpet_hld_data {
>
On Tue, Mar 26, 2019 at 09:49:13PM +0100, Thomas Gleixner wrote:
> So way you should handle this is:
>
> cpumask_set_cpu(cpu, hld_data->cpu_monitored_mask);
>
> if (!hld_data->enabled_cpus++) {
> hld_data->handling_cpu = cpu;
> kick_timer();
>
On Fri, Apr 05, 2019 at 04:12:56PM +, Suthikulpanit, Suravee wrote:
> Hi Neri,
Hi Suravee,
Many thanks for testing the patches!
>
> While trying out this patch series, I found that it does not work when the
> HPET timer
> is in periodic mode.
I should have tested this better. I'll double c
On Tue, Mar 26, 2019 at 09:49:13PM +0100, Thomas Gleixner wrote:
> On Wed, 27 Feb 2019, Ricardo Neri wrote:
> > +/**
> > + * get_count() - Get the current count of the HPET timer
> > + *
> > + * Returns:
> > + *
> > + * Value of the main counter of the HPET timer
>
> The extra newline is not requi
Hi Neri,
While trying out this patch series, I found that it does not work when the HPET
timer
is in periodic mode.
On 2/27/19 11:05 PM, Ricardo Neri wrote:
> ..
> diff --git a/arch/x86/kernel/watchdog_hld_hpet.c
> b/arch/x86/kernel/watchdog_hld_hpet.c
> new file mode 100644
> index 000
On Wed, 27 Feb 2019, Ricardo Neri wrote:
> +/**
> + * get_count() - Get the current count of the HPET timer
> + *
> + * Returns:
> + *
> + * Value of the main counter of the HPET timer
The extra newline is not required IIRC.
Returns: Value ..
shoud be sufficient and spares a lot of lines
This is the initial implementation of a hardlockup detector driven by an
HPET timer. This initial implementation includes functions to control
the timer via its registers. It also requests such timer, installs
an NMI interrupt handler and performs the initial configuration of
the timer.
The detect
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