On Fri, 2014-06-06 at 19:56 +0200, Peter Zijlstra wrote: > On Fri, Jun 06, 2014 at 01:53:01PM -0400, Pranith Kumar wrote: > > On Fri, Jun 6, 2014 at 3:35 AM, Peter Zijlstra <pet...@infradead.org> wrote: > > > > > > Now in general, I don't particularly like such superfluous changes, so > > > unless you can show that GCC actually generates better code, I'd prefer > > > to keep things as they are. > > > > Fixed and checked the assembly. It saves us 2 bytes of code, not much. I am > > not sure if that is worth it :( > > still 2 bytes, so sure. > > Which gcc did you use and what arch did you build? That might be useful > info for the changelog.
Yeah, please attach the output of 'size kernel/locking/rwsem.o' for both before and after. I think there's similar opportunity in other locking code as well. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
