On Mon, Nov 29, 2010 at 05:07:17PM -0500, Don Zickus wrote:
quoted text
> Originally adapted from Huang Ying's patch which moved the unknown_nmi_panic
> to the traps.c file.  Because the old nmi watchdog was deleted before this
> change happened, the unknown_nmi_panic sysctl was lost.  This re-adds it.
> 
> Also, the nmi_watchdog sysctl was re-implemented and its documentation
> updated accordingly.
> 
> Patch-inspired-by: Huang Ying <ying.huang@intel.com>
> Signed-off-by: Don Zickus <dzickus@redhat.com>

Reviewed-by: Cyrill Gorcunov <gorcunov@gmail.com>

(a 'thing' below which could be addressed later)
...
quoted text
> diff --git a/kernel/sysctl.c b/kernel/sysctl.c
> index d91b07d..140344d 100644
> --- a/kernel/sysctl.c
> +++ b/kernel/sysctl.c
> @@ -733,6 +733,22 @@ static struct ctl_table kern_table[] = {
>  		.extra1		= &zero,
>  		.extra2		= &one,
>  	},
> +	{
> +		.procname       = "nmi_watchdog",
> +		.data           = &watchdog_enabled,
> +		.maxlen         = sizeof (int),
> +		.mode           = 0644,
> +		.proc_handler   = proc_dowatchdog_enabled,
> +	},
> +#endif
> +#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86)

This kinda wonders me -- do we have CONFIG_X86_LOCAL_APIC set _without_
CONFIG_X86? I mean CONFIG_X86_LOCAL_APIC is per x86, no?

  Cyrill
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