Subject: Re: 3.9-rc1 powerpc ptrace.c: 'brk.len' is used uninitialized

From: Michael Neuling <[email-masked]>
Date: Thu, 07 Mar 2013 09:09:48 +1100

> bisect tells me that since your commit 9422de3e953d0e60eb95f5430a9dd803eec1c6d7 
> "powerpc: Hardware breakpoints rewrite to handle non DABR breakpoint registers",
> compiling linux fails with :
> 
>   cc1: warnings being treated as errors
>   arch/powerpc/kernel/ptrace.c: In function 'arch_ptrace':
>   arch/powerpc/kernel/ptrace.c:1450: warning: 'brk.len' is used uninitialized in this function
>   arch/powerpc/kernel/ptrace.c:1352: note: 'brk.len' was declared here
> 
> could you look at that ?

Sure. 

How are you compiling this?  Is there a ppc defconfig that hits it?

Mikey