On Mon, 8 Apr 2019, Arnd Bergmann wrote: > clang points out that the declaration of cio_irb does not match the > definition exactly, it is missing the alignment attribute: > > ../drivers/s390/cio/cio.c:50:1: warning: section does not match previous declaration [-Wsection] > DEFINE_PER_CPU_ALIGNED(struct irb, cio_irb); > ^ > ../include/linux/percpu-defs.h:150:2: note: expanded from macro 'DEFINE_PER_CPU_ALIGNED' > DEFINE_PER_CPU_SECTION(type, name, PER_CPU_ALIGNED_SECTION) \ > ^ > ../include/linux/percpu-defs.h:93:9: note: expanded from macro 'DEFINE_PER_CPU_SECTION' > extern __PCPU_ATTRS(sec) __typeof__(type) name; \ > ^ > ../include/linux/percpu-defs.h:49:26: note: expanded from macro '__PCPU_ATTRS' > __percpu __attribute__((section(PER_CPU_BASE_SECTION sec))) \ > ^ > ../drivers/s390/cio/cio.h:118:1: note: previous attribute is here > DECLARE_PER_CPU(struct irb, cio_irb); > ^ > ../include/linux/percpu-defs.h:111:2: note: expanded from macro 'DECLARE_PER_CPU' > DECLARE_PER_CPU_SECTION(type, name, "") > ^ > ../include/linux/percpu-defs.h:87:9: note: expanded from macro 'DECLARE_PER_CPU_SECTION' > extern __PCPU_ATTRS(sec) __typeof__(type) name > ^ > ../include/linux/percpu-defs.h:49:26: note: expanded from macro '__PCPU_ATTRS' > __percpu __attribute__((section(PER_CPU_BASE_SECTION sec))) \ > ^ > Use DECLARE_PER_CPU_ALIGNED() here, to make the two match. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Thanks for the patch! Applied. Sebastian
