Re: [Xen-devel] My turn to rant about types... bitops

[Rusty Russell <rusty@xxxxxxxxxxxxxxx>]

On Wed, 2005-10-05 at 19:17 +0100, Keir Fraser wrote:
> On 5 Oct 2005, at 17:52, Jimi Xenidis wrote:
> 
> > I think around linux-2.4.19 (and thanks to rusty?) bitops.h went 
> > s/void */unsigned long */, any chance is Xen following suit?
> > The next request would be to change all arrays destined for bitops to 
> > be defined using unsigned long.
> > specifically:
> 
> Just cast to 'unsigned long *' when you use those ops. Why work around 
> details of the way that Linux happens to do atomic ops in our 
> interfaces?

A bitmask type might be nice.  Linux has some ugly macros to do just
that, but at least it's explicit ("need this many bits").

Rusty.
-- 
A bad analogy is like a leaky screwdriver -- Richard Braakman


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