Hi again Michael,
Le 04/03/2022 à 18:04, Christophe Leroy a écrit :
> We originally added asm-prototypes.h in commit 42f5b4cacd78 ("powerpc:
> Introduce asm-prototypes.h"). It's purpose was for prototypes of C
> functions that are only called from asm, in order to fix sparse
> warnings about missing prototypes.
>
> A few months later Nick added a different use case in
> commit 4efca4ed05cb ("kbuild: modversions for EXPORT_SYMBOL() for asm")
> for C prototypes for exported asm functions. This is basically the
> inverse of our original usage.
>
> Since then we've added various prototypes to asm-prototypes.h for both
> reasons, meaning we now need to unstitch it all.
>
> Dispatch prototypes of C functions into relevant headers and keep
> only the prototypes for functions defined in assembly.
>
> For the time being, leave prom_init() there because moving it
> into asm/prom.h or asm/setup.h conflicts with
> drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.o
> This will be fixed later by untaggling asm/pci.h and asm/prom.h
> or by renaming the function in shadowrom.c
>
> Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu>
> ---
> arch/powerpc/include/asm/asm-prototypes.h | 51 -------------------
> arch/powerpc/include/asm/ftrace.h | 3 ++
> arch/powerpc/include/asm/hvcall.h | 5 ++
> arch/powerpc/include/asm/interrupt.h | 11 ++++
> arch/powerpc/include/asm/kexec.h | 2 +
> arch/powerpc/include/asm/processor.h | 8 +++
> arch/powerpc/include/asm/setup.h | 7 +++
> arch/powerpc/include/asm/smp.h | 3 ++
> arch/powerpc/include/asm/syscalls.h | 4 ++
> arch/powerpc/kernel/early_32.c | 1 -
> arch/powerpc/kernel/interrupt.c | 1 -
> arch/powerpc/kernel/irq.c | 1 -
> arch/powerpc/kernel/mce.c | 1 -
> arch/powerpc/kernel/prom_init.c | 1 -
> arch/powerpc/kernel/ptrace/ptrace.c | 1 -
> arch/powerpc/kernel/setup_64.c | 1 -
> arch/powerpc/kernel/smp.c | 1 -
> arch/powerpc/kernel/syscalls.c | 1 -
> arch/powerpc/kernel/tau_6xx.c | 1 -
> arch/powerpc/kernel/time.c | 1 -
> arch/powerpc/kernel/trace/ftrace.c | 1 -
> arch/powerpc/kexec/core_64.c | 1 -
> arch/powerpc/kvm/book3s_hv_builtin.c | 1 -
> arch/powerpc/kvm/book3s_hv_rm_xive.c | 1 -
> arch/powerpc/lib/vmx-helper.c | 1 -
> arch/powerpc/mm/book3s64/slb.c | 1 -
> arch/powerpc/mm/fault.c | 1 -
> arch/powerpc/platforms/powernv/idle.c | 1 -
> .../platforms/powernv/opal-tracepoints.c | 1 -
> arch/powerpc/platforms/pseries/lpar.c | 1 -
> 30 files changed, 43 insertions(+), 72 deletions(-)
>
> diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
> index 0ac5faacc909..3b49065daf21 100644
> --- a/arch/powerpc/kernel/prom_init.c
> +++ b/arch/powerpc/kernel/prom_init.c
> @@ -41,7 +41,6 @@
> #include <asm/btext.h>
> #include <asm/sections.h>
> #include <asm/machdep.h>
> -#include <asm/asm-prototypes.h>
Need to keep this include as prom_init() couldn't be moved to asm/prom.h
due to conflict with drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.c
Can you fix it ?
> #include <asm/ultravisor-api.h>
>
> #include <linux/linux_logo.h>
