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xen-devel
Re: [Xen-devel] [PATCH] Add -Wcast-qual flag
On Thursday 21 December 2006 15:18, Jan Beulich wrote:
> >>> Keir Fraser <keir@xxxxxxxxxxxxx> 21.12.06 14:28 >>>
> >
> >On 21/12/06 12:51, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:
> >> While I'd really like to see all Xen code become const-correct (because
> >> I do believe this helps with code quality, like does marking read only
> >> data read only in the page tables), I don't think adding the warning
> >> here is appropriate - after all, in C this is one of the purposes of
> >> adding explicit casts (although I agree it's questionable to use casts
> >> for this purpose). And no, I don't think that many people screwing up
> >> const placement is a proper argument for not using const where possible.
> >
> >Well, I'm inclined to take the clean-up parts of the patches but leave out
> >__UNCONST() and -Wcast-qual. I really dislike the compiler thinking it
> > knows better than an explicit cast, and casting via unsigned long is just
> > a kludge.
>
> This I completely agree with.
Me, too. I mentioned in my first mail, these parts with __UNCONST() must be
reworked to get rid of it. There was no obvious solution for me at least.
If someone knows a way, I am for it.
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