linux-kernel - Re: [PATCH V6 1/6] kvm: don't try to register to KVM_FAST_MMIO

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Message-ID: <20150915090541.0c54824d.cornelia.huck@de.ibm.com>
Date:	Tue, 15 Sep 2015 09:05:41 +0200
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	Jason Wang <jasowang@...hat.com>
Cc:	gleb@...nel.org, pbonzini@...hat.com, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, mst@...hat.com,
	stable@...r.kernel.org
Subject: Re: [PATCH V6 1/6] kvm: don't try to register to KVM_FAST_MMIO_BUS
 for non mmio eventfd

On Tue, 15 Sep 2015 14:41:54 +0800
Jason Wang <jasowang@...hat.com> wrote:

> We only want zero length mmio eventfd to be registered on
> KVM_FAST_MMIO_BUS. So check this explicitly when arg->len is zero to
> make sure this.
> 
> Cc: stable@...r.kernel.org
> Cc: Gleb Natapov <gleb@...nel.org>
> Cc: Paolo Bonzini <pbonzini@...hat.com>
> Signed-off-by: Jason Wang <jasowang@...hat.com>
> ---
>  virt/kvm/eventfd.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Cornelia Huck <cornelia.huck@...ibm.com>

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