Hi Conor. Thanks for this nice simplification, but I think you can make it even better. On Sun, Aug 21, 2022 at 12:35:12PM +0100, Conor Dooley wrote: > From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > > There's little point in duplicating the declaration of cpuinfo_op now > that there's a shared version of it, so drop it & include the generic > header. > > Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > --- > arch/sparc/include/asm/cpudata.h | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/arch/sparc/include/asm/cpudata.h b/arch/sparc/include/asm/cpudata.h > index d213165ee713..af6ef3c028a9 100644 > --- a/arch/sparc/include/asm/cpudata.h > +++ b/arch/sparc/include/asm/cpudata.h > @@ -6,8 +6,7 @@ > > #include <linux/threads.h> > #include <linux/percpu.h> > - > -extern const struct seq_operations cpuinfo_op; > +#include <asm-generic/processor.h> Since the header file did not need <asm-generic/processor.h> then it should not need it now after deleting stuff. The better fix is to add the missing include to arch/sparc/kernel/cpu.c, where we have the user of it. A header file should include what it needs, and no more. I looked only at this patch, this comment may also be relevant for the other patches. Sam