On Tue, 2016-04-12 at 16:40 -0700, Jason Low wrote: > On Wed, 2016-04-13 at 06:39 +0800, kbuild test robot wrote: > > Hi Jason, > > > > [auto build test ERROR on v4.6-rc3] > > [also build test ERROR on next-20160412] > > [cannot apply to tip/core/locking] > > [if your patch is applied to the wrong git tree, please drop us a note to > > help improving the system] > > > > url: > > https://github.com/0day-ci/linux/commits/Jason-Low/MCS-spinlock-Use-smp_cond_load_acquire/20160413-053726 > > config: i386-randconfig-s0-201615 (attached as .config) > > reproduce: > > # save the attached .config to linux build tree > > make ARCH=i386 > > > > All error/warnings (new ones prefixed by >>): > > > > In file included from kernel/locking/qspinlock.c:70:0: > > kernel/locking/mcs_spinlock.h: In function 'mcs_spin_lock': > > >> kernel/locking/mcs_spinlock.h:31:2: error: implicit declaration of > > >> function 'smp_cond_load_acquire' [-Werror=implicit-function-declaration] > > smp_cond_load_acquire(&l, VAL); \ > > Hello, > > This patch depends on the "smp_cond_load_acquire + cmpwait" patchset, > which is in: > > git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/rfc
Although I added an extra & in "smp_cond_load_acquire(&l, VAL)" when I recreated the patch. l is already a pointer, so this call should really be: smp_cond_load_acquire(l, VAL);
