On Fri, 2010-07-30 at 14:17 -0500, Jason Wessel wrote:
> From: Michal Simek <[email protected]>
> 
> kgdb_handle_breakpoint checks the first arch_kgdb_breakpoint
> which is not known by gdb that's why is necessary jump over
> it. The jump lenght is equal to BREAK_INSTR_SIZE that's
> why is cleaner to use defined macro instead of hardcoded
> non-described offset.

Yeah well, all powerpc instructions are 4 bytes :-) But the
patch is fine.

> Signed-off-by: Michal Simek <[email protected]>
> Signed-off-by: Jason Wessel <[email protected]>

Acked-by: Benjamin Herrenschmidt <[email protected]>
> CC: [email protected]
> ---
>  arch/powerpc/kernel/kgdb.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
> index 82a7b22..7f61a3a 100644
> --- a/arch/powerpc/kernel/kgdb.c
> +++ b/arch/powerpc/kernel/kgdb.c
> @@ -129,7 +129,7 @@ static int kgdb_handle_breakpoint(struct pt_regs *regs)
>               return 0;
>  
>       if (*(u32 *) (regs->nip) == *(u32 *) (&arch_kgdb_ops.gdb_bpt_instr))
> -             regs->nip += 4;
> +             regs->nip += BREAK_INSTR_SIZE;
>  
>       return 1;
>  }



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