[PATCH v3 07/36] powerpc/vdso: Explicitly include asm/cputable.h and asm/feature-fixups.h
Christophe Leroy
christophe.leroy at csgroup.eu
Thu Sep 18 00:41:49 AEST 2025
Le 17/09/2025 à 16:00, Thomas Weißschuh a écrit :
> The usage of ASM_FTR_IFCLR(CPU_TR_ARCH_31) requires asm/cputable.h and
> asm/feature-fixups.h. Currently these headers are included transitively,
> but that transitive inclusion is about to go away.
Hum ...
That was unexpectedly added by commit 9c7bfc2dc21e ("powerpc/64s: Make
POWER10 and later use pause_short in cpu_relax loops")
In theory, vdso/ headers shouldn't include any headers outside of vdso/
>
> Explicitly include the headers.
>
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh at linutronix.de>
> ---
> arch/powerpc/include/asm/vdso/processor.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/powerpc/include/asm/vdso/processor.h b/arch/powerpc/include/asm/vdso/processor.h
> index 80d13207c5688d73954822aede2bbe2d0e05c054..42b64903bdf47cc5bd571fc3b5caed45e6358cb9 100644
> --- a/arch/powerpc/include/asm/vdso/processor.h
> +++ b/arch/powerpc/include/asm/vdso/processor.h
> @@ -4,6 +4,9 @@
>
> #ifndef __ASSEMBLY__
__ASSEMBLY__ is replaced by __ASSEMBLER__ in powerpc-next in commit
74db6cc331b0 ("powerpc: Replace __ASSEMBLY__ with __ASSEMBLER__ in
non-uapi headers")
>
> +#include <asm/cputable.h>
> +#include <asm/feature-fixups.h>
> +
> /* Macros for adjusting thread priority (hardware multi-threading) */
> #ifdef CONFIG_PPC64
> #define HMT_very_low() asm volatile("or 31, 31, 31 # very low priority")
>
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