From: Alexander Graf <agraf@suse.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
kvm-ppc@vger.kernel.org
Subject: Re: Build regressions/improvements in v4.2-rc8
Date: Wed, 26 Aug 2015 09:03:02 +0000 [thread overview]
Message-ID: <55DD80C6.7030400@suse.de> (raw)
In-Reply-To: <CAMuHMdVomabvJOLLJ-tJs6KjL05YpH3zLkyrPbyEghe=WvOVkA@mail.gmail.com>
On 24.08.15 10:36, Geert Uytterhoeven wrote:
> On Mon, Aug 24, 2015 at 10:34 AM, Geert Uytterhoeven
> <geert@linux-m68k.org> wrote:
>> JFYI, when comparing v4.2-rc8[1] to v4.2-rc7[3], the summaries are:
>> - build errors: +4/-7
>
> 4 regressions:
> + /home/kisskb/slave/src/include/linux/kvm_host.h: error: array
> subscript is above array bounds [-Werror=array-bounds]: => 430:19
> (arch/powerpc/kvm/book3s_64_mmu.c: In function 'kvmppc_mmu
> _book3s_64_tlbie':)
>
> powerpc-randconfig (seen before in a v3.15-rc1 build?)
I'm not quite sure what's going wrong here. The code in question does
kvm_for_each_vcpu(i, v, vcpu->kvm)
kvmppc_mmu_pte_vflush(v, va >> 12, mask);
and IIUC the thing we're potentially running over on would be
kvm->vcpus[i]. But that one is bound by the kvm_for_each_vcpu loop, no?
Alex
WARNING: multiple messages have this Message-ID (diff)
From: Alexander Graf <agraf@suse.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
kvm-ppc@vger.kernel.org
Subject: Re: Build regressions/improvements in v4.2-rc8
Date: Wed, 26 Aug 2015 11:03:02 +0200 [thread overview]
Message-ID: <55DD80C6.7030400@suse.de> (raw)
In-Reply-To: <CAMuHMdVomabvJOLLJ-tJs6KjL05YpH3zLkyrPbyEghe=WvOVkA@mail.gmail.com>
On 24.08.15 10:36, Geert Uytterhoeven wrote:
> On Mon, Aug 24, 2015 at 10:34 AM, Geert Uytterhoeven
> <geert@linux-m68k.org> wrote:
>> JFYI, when comparing v4.2-rc8[1] to v4.2-rc7[3], the summaries are:
>> - build errors: +4/-7
>
> 4 regressions:
> + /home/kisskb/slave/src/include/linux/kvm_host.h: error: array
> subscript is above array bounds [-Werror=array-bounds]: => 430:19
> (arch/powerpc/kvm/book3s_64_mmu.c: In function 'kvmppc_mmu
> _book3s_64_tlbie':)
>
> powerpc-randconfig (seen before in a v3.15-rc1 build?)
I'm not quite sure what's going wrong here. The code in question does
kvm_for_each_vcpu(i, v, vcpu->kvm)
kvmppc_mmu_pte_vflush(v, va >> 12, mask);
and IIUC the thing we're potentially running over on would be
kvm->vcpus[i]. But that one is bound by the kvm_for_each_vcpu loop, no?
Alex
next prev parent reply other threads:[~2015-08-26 9:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-24 8:34 Build regressions/improvements in v4.2-rc8 Geert Uytterhoeven
2015-08-24 8:36 ` Geert Uytterhoeven
2015-08-24 8:36 ` Geert Uytterhoeven
2015-08-24 8:36 ` Geert Uytterhoeven
2015-08-26 9:03 ` Alexander Graf [this message]
2015-08-26 9:03 ` Alexander Graf
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