Re: [PATCH 2/3] Kprobes: Define retval helper

From: Christoph Hellwig
Date: Tue Aug 08 2006 - 12:23:44 EST

On Mon, Aug 07, 2006 at 05:30:24PM +0530, Ananth N Mavinakayanahalli wrote:
> From: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx>
> Add the KPROBE_RETVAL macro to help extract the return value on
> different architectures, while using function-return probes.

Good idea. You should add parentheses around regs, otherwise the C
preprocessor might bite users. Also the shouting name is quite ugly.
In fact it should probably go to asm/system.h or similar and not have
a kprobes name - it just extracts the return value from a struct pt_regs
after all.

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