Re: [Xen-devel] ffs vs __builtin_ffs

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 31.10.13 at 11:53, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote:
> Would it be acceptable to provide a patch which does a straight replace
> of the static inline function with a define?  __builtin_ffs is supported
> in all compilers we support, but there does not appear to any sane way
> to detect the presence of the builtin.

Fine by me as long as corner cases get handled identically by both.

Jan


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