linux-kernel - Re: [PATCH v12 7/7] ARM: kprobes: enable OPTPROBES for ARM 32

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Date:	Thu, 4 Dec 2014 18:29:46 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Wang Nan <wangnan0@...wei.com>
Cc:	masami.hiramatsu.pt@...achi.com, tixy@...aro.org,
	lizefan@...wei.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v12 7/7] ARM: kprobes: enable OPTPROBES for ARM 32

On Thu, Dec 04, 2014 at 01:36:00PM +0800, Wang Nan wrote:
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 89c4b5c..8281cea 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -59,6 +59,7 @@ config ARM
>  	select HAVE_MEMBLOCK
>  	select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND
>  	select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
> +	select HAVE_OPTPROBES if (!THUMB2_KERNEL)

Please don't add extra parens where they're not required.

> +#define MAX_COPIED_INSN	(DIV_ROUND_UP(RELATIVEJUMP_SIZE, sizeof(kprobe_opcode_t)))

ditto.

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