On Mon, Dec 06, 2010 at 02:37:05PM -0200, Thiago Farina wrote:
> On Mon, Nov 29, 2010 at 3:16 PM, Michael S. Tsirkin <mst@xxxxxxxxxx> wrote:
> > +#define container_of(ptr, type, member) ({ \
> > + const typeof( ((type *)0)->member ) *__mptr = (ptr); \
> > + (type *)( (char *)__mptr - offsetof(type,member) );})
> > +
> > +#define uninitialized_var(x) x = x
> > +
> > +# ifndef likely
> > +# define likely(x) (__builtin_expect(!!(x), 1))
> > +# endif
> > +# ifndef unlikely
> > +# define unlikely(x) (__builtin_expect(!!(x), 0))
> > +# endif
>
> It seems you are not using these macros. Do you really need them here?
They are used by virtio that I'm compiling in userspace here.
> Can't you include the right linux header files for these macros
> instead?
Far from trivial as linux headers aren't intended to
be built in userspace, if you try you get all kind of
conflicts with libc headers etc.
If you see a way to do this, pls send me a patch.
--
MST
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