Re: [PATCH 1/2] irq_flags_t: intro and core annotations

[Geert Uytterhoeven]

On Mon, 22 Oct 2007, Andrew Morton wrote:
> On Mon, 22 Oct 2007 16:29:12 +0100 Ralf Baechle <ralf@xxxxxxxxxxxxxx> wrote:
> > On Sun, Oct 21, 2007 at 01:30:42PM +0400, Alexey Dobriyan wrote:
> > 
> > > 			irq_flags_t
> > > 	
> > > New type for use with spin_lock_irqsave() and friends.
> > 
> > Talking about it, why did we ever require this to be a long anyway?  I could
> > get away with a single bit for MIPS; the rest of this variable is pure
> > bloat.  An abstract datatype could help finally fix this.
> > 
> 
> Yes, it's always been ugly that we use unsigned long for this rather than
> abstracting it properly.
> 
> However I'd prefer that we have some really good reason for introducing
> irq_flags_t now.  Simply so that I don't needlessly spend the next two
> years wrestling with literally thousands of convert-to-irq_flags_t patches
> and having to type "please use irq_flags_t here" in hundreds of patch
> reviews. (snivel, wimper)

The second part can be fixed easily using
`typedef struct { long x; } irq_flags_t' ;-)

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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