2012/10/24 Glauber Costa <[email protected]>: > On 10/24/2012 06:29 PM, Christoph Lameter wrote: >> On Wed, 24 Oct 2012, Glauber Costa wrote: >> >>> Because of that, we either have to move all the entry points to the >>> mm/slab.h and rely heavily on the pre-processor, or include all .c files >>> in here. >> >> Hmm... That is a bit of a radical solution. The global optimizations now >> possible with the new gcc compiler include the ability to fold functions >> across different linkable objects. Andi, is that usable for kernel builds? >> > > In general, it takes quite a lot of time to take all those optimizations > for granted. We still live a lot of time with multiple compiler versions > building distros, etc, for quite some time. > > I would expect the end result for anyone not using such a compiler to be > a sudden performance drop when using a new kernel. Not really pleasant.
I agree with Glauber's opinion. And patch looks fine to me. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
