On Sun, Mar 29, 2015 at 05:31:32PM +0530, Viresh Kumar wrote: > Warning: > > config: blackfin-allyesconfig (attached as .config) > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross > -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout ca713e393c6eceb54e803df204772a3d6e6c7981 > # save the attached .config to linux build tree > make.cross ARCH=blackfin > > All error/warnings: > > kernel/time/timer.c: In function 'init_timers': > >> kernel/time/timer.c:1648:2: error: call to '__compiletime_assert_1648' declared with attribute error: BUILD_BUG_ON failed: __alignof__(struct tvec_base) & TIMER_FLAG_MASK Ha, this is because blackfin is broken. blackfin doesn't respect ____cacheline_aligned and NOPs it for UP builds. Why it thinks {__,}__cacheline_aligned semantics should differ between SMP/UP is a mystery to me, we have the &_in_smp primitives for that. So just ignore this, let the blackfin people deal with it. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>