From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: kvm@vger.kernel.org, Gleb Natapov <gleb@kernel.org>,
Alexander Graf <agraf@suse.de>,
kvm-ppc@vger.kernel.org, linux-kernel@vger.kernel.org,
Paul Mackerras <paulus@samba.org>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
Paolo Bonzini <pbonzini@redhat.com>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v2] PC, KVM, CMA: Fix regression caused by wrong get_order() use
Date: Wed, 20 Aug 2014 11:44:58 +0900 [thread overview]
Message-ID: <20140820024458.GA2415@js1304-P5Q-DELUXE> (raw)
In-Reply-To: <1407992587-9164-1-git-send-email-aik@ozlabs.ru>
On Thu, Aug 14, 2014 at 03:03:07PM +1000, Alexey Kardashevskiy wrote:
> fc95ca7284bc54953165cba76c3228bd2cdb9591 claims that there is no
> functional change but this is not true as it calls get_order() (which
> takes bytes) where it should have called ilog2() and the kernel stops
> on VM_BUG_ON().
>
> This replaces get_order() with order_base_2() (round-up version of ilog2).
>
> Suggested-by: Paul Mackerras <paulus@samba.org>
> Cc: Alexander Graf <agraf@suse.de>
> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Sorry for my fault. :(
Acked-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Thanks.
prev parent reply other threads:[~2014-08-20 2:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-14 5:03 [PATCH v2] PC, KVM, CMA: Fix regression caused by wrong get_order() use Alexey Kardashevskiy
2014-08-14 5:13 ` Aneesh Kumar K.V
2014-08-14 13:40 ` Alexander Graf
2014-08-15 3:00 ` Alexey Kardashevskiy
2014-08-20 2:44 ` Joonsoo Kim [this message]
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