Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures

From: Segher Boessenkool
Date: Wed Aug 03 2016 - 16:45:53 EST


Hi Arnd,

On Wed, Aug 03, 2016 at 08:52:48PM +0200, Arnd Bergmann wrote:
> From my first look, it seems that all of lib/*.o is now getting linked
> into vmlinux, while we traditionally leave out everything from lib/
> that is not referenced.
>
> I also see a noticeable overhead in link time, the numbers are for
> a cache-hot rebuild after a successful allyesconfig build, using a
> 24-way Opteron@xxxxxx, just relinking vmlinux:
>
> $ time make skj30 vmlinux # before
> real 2m8.092s
> user 3m41.008s
> sys 0m48.172s
>
> $ time make skj30 vmlinux # after
> real 4m10.189s
> user 5m43.804s
> sys 0m52.988s

Is it better when using rcT instead of rcsT?


Segher