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...rtio/virtio.c | 4 +++- > drivers/virtio/virtio_mmio.c | 4 +++- > drivers/virtio/virtio_pci.c | 4 +++- > 9 files changed, 27 insertions(+), 10 deletions(-) > > diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h > index 1fa5faa..7979f85 100644 > --- a/include/linux/virtio_config.h > +++ b/include/linux/virtio_config.h > @@ -47,6 +47,7 @@ > * vdev: the virtio_device > * This gives the final feature bits for the device: it can change > * the dev->feature bits if it wants. > + * Returns 0 on suc...

...rtio/virtio.c | 4 +++- > drivers/virtio/virtio_mmio.c | 4 +++- > drivers/virtio/virtio_pci.c | 4 +++- > 9 files changed, 27 insertions(+), 10 deletions(-) > > diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h > index 1fa5faa..7979f85 100644 > --- a/include/linux/virtio_config.h > +++ b/include/linux/virtio_config.h > @@ -47,6 +47,7 @@ > * vdev: the virtio_device > * This gives the final feature bits for the device: it can change > * the dev->feature bits if it wants. > + * Returns 0 on suc...

...Cornelia Huck <cornelia.huck at de.ibm.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio_config.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 02f0acb..1fa5faa 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -318,12 +318,13 @@ static inline u16 virtio_cread16(struct virtio_device *vdev, { u16 ret; vdev->config->get(vdev, offset, &ret, sizeof(ret)); - return ret; + return virtio16_to_cpu(vdev, (__force __vir...

...by: Michael S. Tsirkin <mst at redhat.com> Reviewed-by: David Hildenbrand <dahi at linux.vnet.com> --- include/linux/virtio_config.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 02f0acb..1fa5faa 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -318,12 +318,13 @@ static inline u16 virtio_cread16(struct virtio_device *vdev, { u16 ret; vdev->config->get(vdev, offset, &ret, sizeof(ret)); - return ret; + return virtio16_to_cpu(vdev, (__force __vir...

...Cornelia Huck <cornelia.huck at de.ibm.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio_config.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 02f0acb..1fa5faa 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -318,12 +318,13 @@ static inline u16 virtio_cread16(struct virtio_device *vdev, { u16 ret; vdev->config->get(vdev, offset, &ret, sizeof(ret)); - return ret; + return virtio16_to_cpu(vdev, (__force __vir...

...by: Michael S. Tsirkin <mst at redhat.com> Reviewed-by: David Hildenbrand <dahi at linux.vnet.com> --- include/linux/virtio_config.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 02f0acb..1fa5faa 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -318,12 +318,13 @@ static inline u16 virtio_cread16(struct virtio_device *vdev, { u16 ret; vdev->config->get(vdev, offset, &ret, sizeof(ret)); - return ret; + return virtio16_to_cpu(vdev, (__force __vir...

transports need to be able to detect legacy-only devices (ATM balloon only) to use legacy path to drive them. Add a core API to do just that. The implementation just blacklists balloon: not too pretty, but let's not over-engineer. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> Acked-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- include/linux/virtio.h | 2 ++

transports need to be able to detect legacy-only devices (ATM balloon only) to use legacy path to drive them. Add a core API to do just that. The implementation just blacklists balloon: not too pretty, but let's not over-engineer. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> Acked-by: Cornelia Huck <cornelia.huck at de.ibm.com> --- include/linux/virtio.h | 2 ++

...| 6 ++++-- drivers/virtio/virtio.c | 4 +++- drivers/virtio/virtio_mmio.c | 4 +++- drivers/virtio/virtio_pci.c | 4 +++- 9 files changed, 27 insertions(+), 10 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 1fa5faa..7979f85 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -47,6 +47,7 @@ * vdev: the virtio_device * This gives the final feature bits for the device: it can change * the dev->feature bits if it wants. + * Returns 0 on success or error status * @bus_name:...

...| 6 ++++-- drivers/virtio/virtio.c | 4 +++- drivers/virtio/virtio_mmio.c | 4 +++- drivers/virtio/virtio_pci.c | 4 +++- 9 files changed, 27 insertions(+), 10 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 1fa5faa..7979f85 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -47,6 +47,7 @@ * vdev: the virtio_device * This gives the final feature bits for the device: it can change * the dev->feature bits if it wants. + * Returns 0 on success or error status * @bus_name:...

...drivers/virtio/virtio.c | 21 ++++++++++++++------- drivers/virtio/virtio_mmio.c | 4 +++- drivers/virtio/virtio_pci.c | 4 +++- 9 files changed, 38 insertions(+), 16 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 1fa5faa..7979f85 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -47,6 +47,7 @@ * vdev: the virtio_device * This gives the final feature bits for the device: it can change * the dev->feature bits if it wants. + * Returns 0 on success or error status * @bus_name:...

...drivers/virtio/virtio.c | 21 ++++++++++++++------- drivers/virtio/virtio_mmio.c | 4 +++- drivers/virtio/virtio_pci.c | 4 +++- 9 files changed, 38 insertions(+), 16 deletions(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 1fa5faa..7979f85 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -47,6 +47,7 @@ * vdev: the virtio_device * This gives the final feature bits for the device: it can change * the dev->feature bits if it wants. + * Returns 0 on success or error status * @bus_name:...

These are minor robustness enhancements on top of v8 of the patchset [PATCH v8 00/50] linux: towards virtio-1 guest support http://mid.gmane.org/1417449619-24896-1-git-send-email-mst at redhat.com As that one seems stable and actually seems to work well for people, I'm not respinning it anymore. The main motivation is to prevent us accidentally supporting bad configurations, such as legacy

These are minor robustness enhancements on top of v8 of the patchset [PATCH v8 00/50] linux: towards virtio-1 guest support http://mid.gmane.org/1417449619-24896-1-git-send-email-mst at redhat.com As that one seems stable and actually seems to work well for people, I'm not respinning it anymore. The main motivation is to prevent us accidentally supporting bad configurations, such as legacy