linux-kernel - Re: [PATCH v6 05/46] virtio: assert 32 bit features in transports

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Date:	Fri, 28 Nov 2014 13:50:43 +0100
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	linux-kernel@...r.kernel.org, David Miller <davem@...emloft.net>,
	rusty@....ibm.com, nab@...ux-iscsi.org, pbonzini@...hat.com,
	thuth@...ux.vnet.ibm.com, dahi@...ux.vnet.ibm.com,
	Rusty Russell <rusty@...tcorp.com.au>,
	Ohad Ben-Cohen <ohad@...ery.com>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	linux390@...ibm.com, Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Sudeep Dutt <sudeep.dutt@...el.com>,
	Siva Yerramreddy <yshivakrishna@...il.com>,
	lguest@...ts.ozlabs.org, linux-s390@...r.kernel.org,
	virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v6 05/46] virtio: assert 32 bit features in transports

On Thu, 27 Nov 2014 22:08:02 +0200
"Michael S. Tsirkin" <mst@...hat.com> wrote:

> At this point, no transports set any of the high 32 feature bits.
> Since transports generally can't (yet) cope with such bits, add BUG_ON
> checks to make sure they are not set by mistake.
> 
> Based on rproc patch by Rusty.
> 
> Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
> ---
>  drivers/lguest/lguest_device.c         | 3 +++
>  drivers/misc/mic/card/mic_virtio.c     | 3 +++
>  drivers/remoteproc/remoteproc_virtio.c | 3 +++
>  drivers/s390/kvm/kvm_virtio.c          | 3 +++
>  drivers/s390/kvm/virtio_ccw.c          | 3 +++
>  drivers/virtio/virtio_mmio.c           | 3 +++
>  drivers/virtio/virtio_pci.c            | 3 +++
>  7 files changed, 21 insertions(+)

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

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