Subject: Re: [PATCH] kvm/ppc: fix build warning

From: Denis Kirjanov <[email-masked]>
Date: Fri, 25 Jun 2010 13:02:38 +0400

On 06/25/2010 12:42 AM, Alexander Graf wrote:
>
> On 24.06.2010, at 21:44, Denis Kirjanov wrote:
>
>> Fix build warning:
>> arch/powerpc/kvm/book3s_64_mmu.c: In function 'kvmppc_mmu_book3s_64_esid_to_vsid':
>> arch/powerpc/kvm/book3s_64_mmu.c:446: warning: 'slb' may be used uninitialized in this function
>> Signed-off-by: Denis Kirjanov<[email-masked]>
>
> Are you sure this isn't a broken compiler? I don't see where it could be used uninitialized.

I'm using gcc version 4.3.4 (Gentoo 4.3.4 p1.1, pie-10.1.5)
slb pointer initialized inside conditional branch
and used later in the case case MSR_DR|MSR_IR