On Tue, Mar 06, 2018 at 12:28:32AM +0800, kbuild test robot wrote: > Hi Ming, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on tip/irq/core] > [also build test WARNING on v4.16-rc4 next-20180305] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > > url: https://github.com/0day-ci/linux/commits/Ming-Lei/genirq-affinity-irq-vector-spread-among-online-CPUs-as-far-as-possible/20180305-184912 > config: i386-randconfig-a1-201809 (attached as .config) > compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 > reproduce: > # save the attached .config to linux build tree > make ARCH=i386 > > All warnings (new ones prefixed by >>): > > kernel/irq/affinity.c: In function 'irq_create_affinity_masks': > >> kernel/irq/affinity.c:201:50: warning: passing argument 3 of 'irq_build_affinity_masks' from incompatible pointer type > curvec += irq_build_affinity_masks(nvecs, affd, node_to_cpumask, > ^ > kernel/irq/affinity.c:97:12: note: expected 'const struct cpumask (*)[1]' but argument is of type 'struct cpumask (*)[1]' > static int irq_build_affinity_masks(int nvecs, const struct irq_affinity *affd, Looks this warning can only be triggered on ARCH=i386 with gcc-4.X. Can't reproduce it when building on other ARCHs, and can't reproduce it with gcc-6 too. Thanks, Ming
