[PATCH v2 9/9] ARM: kprobes: Don't HAVE_KPROBES when CONFIG_THUMB2_KERNEL is selected

Sergei Shtylyov sshtylyov at mvista.com
Mon Nov 22 18:01:53 EST 2010


Hello.

On 22-11-2010 21:04, Dave Martin wrote:

> Currently, the kprobes implementation for ARM only supports
> the ARM instruction set, so it only works if
> CONFIG_THUMB2_KERNEL is not enabled.

> Until kprobes is updated to work with Thumb-2, turning it on
> will cause horrible things to happen, so this patch disables it
> for now.

> Signed-off-by: Dave Martin<dave.martin at linaro.org>
[...]

> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index db524e7..f1d9297 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -9,7 +9,7 @@ config ARM
>   	select GENERIC_ATOMIC64 if (!CPU_32v6K || !AEABI)
>   	select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
>   	select HAVE_ARCH_KGDB
> -	select HAVE_KPROBES if (!XIP_KERNEL)
> +	select HAVE_KPROBES if (!XIP_KERNEL && !THUMB2_KERNEL)

    These parens are useless.

WBR, Sergei



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