Re: [patch] x86 supports NO_IRQ convention

[David Brownell]

On Monday 23 June 2008, Robert Hancock wrote:
> IRQ 0 is only used by 
> architecture-specific code and is not sharable,

That seems to be the consensus, and it does reflect
how it's used on all architectures I happen to have
seen it in use.

Leaving the question then of what should happen to
the existing NO_IRQ code ... none of the declarations
seems to have a comment "deprecated, don't use this"
and most of the defined values are nonzero.

Some docs appear to be missing.
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