Re: SA_TRIGGER_* vs. SA_SAMPLE_RANDOM

[Thomas Gleixner <tglx@linutronix.de>]

David,

On Thu, 2006-06-29 at 14:17 -0700, David Miller wrote:
> Since SA_SAMPLE_RANDOM is defined as "SA_RESTART", it
> could be just about any value.
> 
> On sparc, it's value is "2", so it aliases some of
> the SA_TRIGGER_* defines the new genirq code adds.
> And therefore we get a bunch of these on sparc64:
> 
> [   16.650540] setup_irq(2) SA_TRIGGERset. No set_type function available
> 
> (btw: missing space in the kernel log message between 'SA_TRIGGER'
>       and 'set' :-)
> 
> I can't see any reason why SA_SAMPLE_RANDOM is set to
> a signal mask value, or why IRQ flags are defined in
> linux/signal.h :-)
> 
> Anyways, probably the best bet for now is to define
> SA_SAMPLE_RANDOM explicitly to some value instead of
> relying on the arbitrary platform definition of SA_RANDOM.
> 
> Ingo could you cook up and submit a patch which does this?
> Thanks.

We have the same hassle with SA_INTERRUPT. The question arises, if we
should move the SA_XX flags for interrupts completely out of the signal
SA name space. Rename to IRQ_xxx and put them into interrupt.h.

	tglx