From: Denis Kirjanov <dkirjanov@kernel.org>
To: Alexander Graf <agraf@suse.de>
Cc: mtosatti@redhat.com, kvm-ppc@vger.kernel.org,
linuxppc-dev@ozlabs.org,
Denis Kirjanov <dkirjanov@hera.kernel.org>,
avi@redhat.com
Subject: Re: [PATCH] kvm/ppc: fix build warning
Date: Fri, 25 Jun 2010 09:40:12 +0000 [thread overview]
Message-ID: <4C24797C.6030703@kernel.org> (raw)
In-Reply-To: <4C2470AE.6090004@kernel.org>
On 06/25/2010 01:02 PM, Denis Kirjanov wrote:
> 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<dkirjanov@kernel.org>
>>
>> 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
>
This is based on linux-next tree (-next-20100623)
WARNING: multiple messages have this Message-ID (diff)
From: Denis Kirjanov <dkirjanov@kernel.org>
To: Alexander Graf <agraf@suse.de>
Cc: mtosatti@redhat.com, kvm-ppc@vger.kernel.org,
linuxppc-dev@ozlabs.org,
Denis Kirjanov <dkirjanov@hera.kernel.org>,
avi@redhat.com
Subject: Re: [PATCH] kvm/ppc: fix build warning
Date: Fri, 25 Jun 2010 13:40:12 +0400 [thread overview]
Message-ID: <4C24797C.6030703@kernel.org> (raw)
In-Reply-To: <4C2470AE.6090004@kernel.org>
On 06/25/2010 01:02 PM, Denis Kirjanov wrote:
> 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<dkirjanov@kernel.org>
>>
>> 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
>
This is based on linux-next tree (-next-20100623)
next prev parent reply other threads:[~2010-06-25 9:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-24 19:44 [PATCH] kvm/ppc: fix build warning Denis Kirjanov
2010-06-24 20:42 ` Alexander Graf
2010-06-24 20:42 ` Alexander Graf
2010-06-25 9:02 ` Denis Kirjanov
2010-06-25 9:02 ` Denis Kirjanov
2010-06-25 9:21 ` Alexander Graf
2010-06-25 9:21 ` Alexander Graf
2010-06-25 9:40 ` Denis Kirjanov [this message]
2010-06-25 9:40 ` Denis Kirjanov
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