On Thu, Jul 23, 2015 at 10:19:52AM -0400, Jason Baron wrote:
> >
> > #define static_branch_likely(x)
> > \
> > ({
> > \
> > bool branch;
> > \
> > if (__builtin_types_compatible_p(typeof(x), struct static_key_true))
> > \
> > branch = !arch_static_branch(&(x)->key, false);
> > \
> > else if (__builtin_types_compatible_p(typeof(x), struct
> > static_key_false)) \
> > branch = !arch_static_branch_jump(&(x)->key, true);
> > \
> > else
> > \
> > branch = ____wrong_branch_error();
> > \
> > branch;
> > \
> > })
> >
> > #define static_branch_unlikely(x)
> > \
> > ({
> > \
> > bool branch;
> > \
> > if (__builtin_types_compatible_p(typeof(x), struct static_key_true))
> > \
> > branch = arch_static_branch(&(x)->key, true);
> > \
> > else if (__builtin_types_compatible_p(typeof(x), struct
> > static_key_false)) \
> > branch = arch_static_branch_jump(&(x)->key, false);
> > \
> > else
> > \
> > branch = ____wrong_branch_error();
> > \
> > branch;
> > \
> > })
> >
>
> In 'static_branch_unlikely()', I think arch_static_branch() and
> arch_static_branch_jump() are reversed.
Yes, you're right. But I think I need a nap before touching this stuff
again :-)
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