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Date: Tue, 7 Jul 2020 10:44:35 +0200
From: Pierre Morel <pmorel@...ux.ibm.com>
To: linux-kernel@...r.kernel.org
Cc: pasic@...ux.ibm.com, borntraeger@...ibm.com, frankja@...ux.ibm.com,
mst@...hat.com, jasowang@...hat.com, cohuck@...hat.com,
kvm@...r.kernel.org, linux-s390@...r.kernel.org,
virtualization@...ts.linux-foundation.org, thomas.lendacky@....com,
david@...son.dropbear.id.au, linuxram@...ibm.com,
heiko.carstens@...ibm.com, gor@...ux.ibm.com
Subject: [PATCH v4 0/2] s390: virtio: let arch validate VIRTIO features
Hi all,
I changed the patch subject to reflect the content, becoming more
general.
1) I removed the ack from Christian and Jason even far as
I understand they gave it for the functionality more than for the
implementation.
@Jason, @Christian, please can I get back your acked-by with these changes?
2) previous patch had another name:
[PATCH v3 0/1] s390: virtio: let arch choose to accept devices without IOMMU feature
id: Message-Id: <1592390637-17441-2-git-send-email-pmorel@...ux.ibm.com>
3) The new version generalize the validation of the features by the
architecture, making it not IOMMU_PLATFORM specific anymore inside
virtio.c
The architecture specific code for s390 is now testing the virtio
features.
4) Since I reworked the patch I also moved the arch specific code
from arch/s390/mm/init.c to arch/s390/kernel/to uv.c
5) Finaly, I splitted the patch into generic virtio and arch
specific code.
Regards,
Pierre
Pierre Morel (2):
virtio: let arch validate VIRTIO features
s390: virtio: PV needs VIRTIO I/O device protection
arch/s390/kernel/uv.c | 25 +++++++++++++++++++++++++
drivers/virtio/virtio.c | 19 +++++++++++++++++++
include/linux/virtio_config.h | 1 +
3 files changed, 45 insertions(+)
--
2.25.1
Changelog
to v4:
- separate virtio and arch code
(Pierre)
- moved code from arch/s390/mm/init.c to arch/s390/kernel/uv.c
(Heiko)
- moved validation inside the arch code
(Connie)
- moved the call to arch validation before VIRTIO_F_1 test
(Michael)
to v3:
- add warning
(Connie, Christian)
- add comment
(Connie)
- change hook name
(Halil, Connie)
to v2:
- put the test in virtio_finalize_features()
(Connie)
- put the test inside VIRTIO core
(Jason)
- pass a virtio device as parameter
(Halil)
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