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[Xen-devel] Re: [PATCH 1 of 4] mm: add a ptep_modify_prot transaction abstraction

* Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Thu, 19 Jun 2008, Ingo Molnar wrote:
> > 
> > Below is the commit, it needed a small amount of massaging to apply the 
> > void * -> unsigned long * change in the x86/bitops topic.
> Well, that's your bug right there.
> The macros very much depended on the pointers being "void *", due to 
> the pointer arithmetic (which is a gcc extension that we use 
> extensively - "void *" arithmetic works as if it was a byte pointer).

duh, yeah - of course. Will retry with that fixed :)


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