On Sat, 29 Aug 2020 at 08:16, Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote: > > <asm/mca.h> includes too many unneeded headers. > > This commit cuts off a lot of header includes. > > What we need to include are: > > - <linux/percpu.h> for DECLARE_PER_CPU(u64, ia64_mca_pal_base) > - <linux/threads.h> for NR_CPUS > - <linux/types.h> for u8, u64, size_t, etc. > - <asm/ptrace.h> for KERNEL_STACK_SIZE > > The other header includes are actually unneeded. > > <asm/mca.h> previously included 436 headers, and now it includes > only 138. I confirmed <asm/mca.h> is still self-contained. > > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx> Acked-by: Ard Biesheuvel <ardb@xxxxxxxxxx> > --- > > arch/ia64/include/asm/mca.h | 9 +++------ > arch/ia64/kernel/efi.c | 1 + > arch/ia64/kernel/mca.c | 1 + > 3 files changed, 5 insertions(+), 6 deletions(-) > > diff --git a/arch/ia64/include/asm/mca.h b/arch/ia64/include/asm/mca.h > index c92b9c15962c..05805249296c 100644 > --- a/arch/ia64/include/asm/mca.h > +++ b/arch/ia64/include/asm/mca.h > @@ -14,13 +14,10 @@ > > #if !defined(__ASSEMBLY__) > > -#include <linux/interrupt.h> > +#include <linux/percpu.h> > +#include <linux/threads.h> > #include <linux/types.h> > - > -#include <asm/param.h> > -#include <asm/sal.h> > -#include <asm/processor.h> > -#include <asm/mca_asm.h> > +#include <asm/ptrace.h> > > #define IA64_MCA_RENDEZ_TIMEOUT (20 * 1000) /* value in milliseconds - 20 seconds */ > > diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c > index f932b25fb817..b6bb718ed1ff 100644 > --- a/arch/ia64/kernel/efi.c > +++ b/arch/ia64/kernel/efi.c > @@ -39,6 +39,7 @@ > #include <asm/meminit.h> > #include <asm/processor.h> > #include <asm/mca.h> > +#include <asm/sal.h> > #include <asm/setup.h> > #include <asm/tlbflush.h> > > diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c > index 17151269d655..3911c561d2bb 100644 > --- a/arch/ia64/kernel/mca.c > +++ b/arch/ia64/kernel/mca.c > @@ -96,6 +96,7 @@ > #include <asm/ptrace.h> > #include <asm/sal.h> > #include <asm/mca.h> > +#include <asm/mca_asm.h> > #include <asm/kexec.h> > > #include <asm/irq.h> > -- > 2.25.1 >
