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...io.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 e...

...io.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 e...

...r transports who only need to implement 1,2,4 and 8 byte reads. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio_config.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 7979f85..a61cd37 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -305,7 +305,10 @@ static inline void virtio_cread_bytes(struct virtio_device *vdev, unsigned int offset, void *buf, size_t len) { - vdev->config->get(vdev, offset, buf, len); + in...

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 ++

Here are some fixup patches on top of my latest pull request. Will include in the next pull request. Michael S. Tsirkin (3): virtio: set VIRTIO_CONFIG_S_FEATURES_OK on restore virtio_config: fix virtio_cread_bytes virtio_pci_common.h: drop VIRTIO_PCI_NO_LEGACY drivers/virtio/virtio_pci_common.h | 1 - include/linux/virtio_config.h | 5 ++++- drivers/virtio/virtio.c | 37

Here are some fixup patches on top of my latest pull request. Will include in the next pull request. Michael S. Tsirkin (3): virtio: set VIRTIO_CONFIG_S_FEATURES_OK on restore virtio_config: fix virtio_cread_bytes virtio_pci_common.h: drop VIRTIO_PCI_NO_LEGACY drivers/virtio/virtio_pci_common.h | 1 - include/linux/virtio_config.h | 5 ++++- drivers/virtio/virtio.c | 37

...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: return t...

...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: return t...

...irtio/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: return t...

...irtio/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: return t...

Fixes a couple of minor compliance issues in new virtio 1.0 code. Plus, adds a couple of minor cleanups - not bugfixes, but seem safe enough for 3.19. Michael S. Tsirkin (6): virtio: set VIRTIO_CONFIG_S_FEATURES_OK on restore virtio_config: fix virtio_cread_bytes virtio_pci_common.h: drop VIRTIO_PCI_NO_LEGACY virtio_pci: move probe to common file virtio_pci: add VIRTIO_PCI_NO_LEGACY

Fixes a couple of minor compliance issues in new virtio 1.0 code. Plus, adds a couple of minor cleanups - not bugfixes, but seem safe enough for 3.19. Michael S. Tsirkin (6): virtio: set VIRTIO_CONFIG_S_FEATURES_OK on restore virtio_config: fix virtio_cread_bytes virtio_pci_common.h: drop VIRTIO_PCI_NO_LEGACY virtio_pci: move probe to common file virtio_pci: add VIRTIO_PCI_NO_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

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