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DateMon, 9 Oct 2006 08:53:08 +0200
FromIngo Molnar <>
SubjectRe: [PATCH] lockdep-design.txt

* Aneesh Kumar <aneesh.kumar@gmail.com> wrote:

> I was looking at lockdep-desing.txt and i guess i am confused with the
> changes with respect to fd7bcea35e7efb108c34ee2b3840942a3749cadb. It
> says
>
> + '.' acquired while irqs enabled
> + '+' acquired in irq context
> + '-' acquired in process context with irqs disabled
> + '?' read-acquired both with irqs enabled and in irq context
> +
>
>
> But the get_usage_chars() function does this for '-'
> if (class->usage_mask & LOCKF_ENABLED_HARDIRQS)
> *c1 = '-';
>
>
>
> So i guess what would be correct would be
> '.' acquired while irqs disabled
> '+' acquired in irq context
> '-' acquired with irqs enabled
> '?' read acquired in irq context with irqs enabled.
>
> Is this correct ?

indeed, that's correct.

Acked-by: Ingo Molnar <mingo@elte.hu>

Ingo
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