Re: [PATCH v6 07/14] ARM: Remove use of struct kprobe from generic probes code

From: Jon Medhurst (Tixy)
Date: Fri Feb 28 2014 - 09:12:22 EST


On Fri, 2014-02-28 at 10:12 +0000, Russell King - ARM Linux wrote:
> On Mon, Feb 10, 2014 at 02:38:58AM -0500, David Long wrote:
> > diff --git a/arch/arm/kernel/probes.c b/arch/arm/kernel/probes.c
> > index 7cd1763..179deac 100644
> > --- a/arch/arm/kernel/probes.c
> > +++ b/arch/arm/kernel/probes.c
> > @@ -12,11 +12,9 @@
> > */
> >
> > #include <linux/kernel.h>
> > -#include <linux/kprobes.h>
> > #include <asm/system_info.h>
>
> How well has this code been tested?

>From the error below I assume only when __LINUX_ARM_ARCH__ >= 7

I have v5 and v6 hardware and will give it a go on those. I would do v4
but I've no idea how to get a kernel onto the Assabet I rescued from a
skip...

> This file doesn't even build because
> (I suspect) the above change:
>
> arch/arm/kernel/probes.c: In function 'test_alu_write_pc_interworking':
> arch/arm/kernel/probes.c:68:2: error: implicit declaration of function 'BUG_ON' [-Werror=implicit-function-declaration]
> make[2]: *** [arch/arm/kernel/probes.o] Error 1
>
> This is because linux/kprobes.h includes linux/bug.h, which would provide
> the requirements for BUG_ON().

--
Tixy

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