[PATCH 01/14] powerpc: remove interrupt exit helpers unused argument

[Christophe Leroy]

Le 15/03/2021 à 23:03, Nicholas Piggin a écrit :
> The msr argument is not used, remove it.

And why not use it instead of re-reading regs->msr ?

> 
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
> ---
>   arch/powerpc/include/asm/asm-prototypes.h | 4 ++--
>   arch/powerpc/kernel/interrupt.c           | 4 ++--
>   2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h
> index 1c7b75834e04..95492655462e 100644
> --- a/arch/powerpc/include/asm/asm-prototypes.h
> +++ b/arch/powerpc/include/asm/asm-prototypes.h
> @@ -71,8 +71,8 @@ void __init machine_init(u64 dt_ptr);
>   #endif
>   long system_call_exception(long r3, long r4, long r5, long r6, long r7, long r8, unsigned long r0, struct pt_regs *regs);
>   notrace unsigned long syscall_exit_prepare(unsigned long r3, struct pt_regs *regs, long scv);
> -notrace unsigned long interrupt_exit_user_prepare(struct pt_regs *regs, unsigned long msr);
> -notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs, unsigned long msr);
> +notrace unsigned long interrupt_exit_user_prepare(struct pt_regs *regs);
> +notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs);
>   
>   long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
>   		      u32 len_high, u32 len_low);
> diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c
> index 96ca27ef68ae..efeeefe6ee8f 100644
> --- a/arch/powerpc/kernel/interrupt.c
> +++ b/arch/powerpc/kernel/interrupt.c
> @@ -359,7 +359,7 @@ notrace unsigned long syscall_exit_prepare(unsigned long r3,
>   	return ret;
>   }
>   
> -notrace unsigned long interrupt_exit_user_prepare(struct pt_regs *regs, unsigned long msr)
> +notrace unsigned long interrupt_exit_user_prepare(struct pt_regs *regs)
>   {
>   	unsigned long ti_flags;
>   	unsigned long flags;
> @@ -443,7 +443,7 @@ notrace unsigned long interrupt_exit_user_prepare(struct pt_regs *regs, unsigned
>   
>   void preempt_schedule_irq(void);
>   
> -notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs, unsigned long msr)
> +notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs)
>   {
>   	unsigned long flags;
>   	unsigned long ret = 0;
>