[PATCH v4 2/9] powerpc/kprobes: Move kprobes over to patch_instruction

[Christophe LEROY]

Le 27/06/2017 à 09:48, Balbir Singh a écrit :
> arch_arm/disarm_probe use direct assignment for copying
> instructions, replace them with patch_instruction
> 
> Signed-off-by: Balbir Singh <bsingharora at gmail.com>

Didn't Michael picked it up already ?

Christophe

> ---
>   arch/powerpc/kernel/kprobes.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
> index 01addfb..a52bae8 100644
> --- a/arch/powerpc/kernel/kprobes.c
> +++ b/arch/powerpc/kernel/kprobes.c
> @@ -164,7 +164,7 @@ NOKPROBE_SYMBOL(arch_prepare_kprobe);
>   
>   void arch_arm_kprobe(struct kprobe *p)
>   {
> -	*p->addr = BREAKPOINT_INSTRUCTION;
> +	patch_instruction(p->addr, BREAKPOINT_INSTRUCTION);
>   	flush_icache_range((unsigned long) p->addr,
>   			   (unsigned long) p->addr + sizeof(kprobe_opcode_t));
>   }
> @@ -172,7 +172,7 @@ NOKPROBE_SYMBOL(arch_arm_kprobe);
>   
>   void arch_disarm_kprobe(struct kprobe *p)
>   {
> -	*p->addr = p->opcode;
> +	patch_instruction(p->addr, p->opcode);
>   	flush_icache_range((unsigned long) p->addr,
>   			   (unsigned long) p->addr + sizeof(kprobe_opcode_t));
>   }
>