[PATCH 2/2] PPC_BOOK3E/KGDB: support kgdb kernel space

[Andreas Schwab]

Tiejun Chen <tiejun.chen at windriver.com> writes:

> diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
> index 4684e33..ed5862d 100644
> --- a/arch/powerpc/kernel/exceptions-64e.S
> +++ b/arch/powerpc/kernel/exceptions-64e.S
> @@ -539,11 +539,15 @@ kernel_dbg_exc:
>  	rfdi
>  
>  	/* Normal debug exception */
> +#ifndef CONFIG_KGDB
>  	/* XXX We only handle coming from userspace for now since we can't
>  	 *     quite save properly an interrupted kernel state yet
>  	 */
>  1:	andi.	r14,r11,MSR_PR;		/* check for userspace again */
>  	beq	kernel_dbg_exc;		/* if from kernel mode */
> +#else
> +1:
> +#endif

You could move the label before the conditional.

Andreas.

-- 
Andreas Schwab, schwab at linux-m68k.org
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