Re: [PATCH v30 2/4] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT

On Thu, Apr 05, 2018 at 12:30:27AM +, Wang, Wei W wrote: > On Wednesday, April 4, 2018 10:08 PM, Michael S. Tsirkin wrote: > > On Wed, Apr 04, 2018 at 10:07:51AM +0800, Wei Wang wrote: > > > On 04/04/2018 02:47 AM, Michael S. Tsirkin wrote: > > > > On Wed, Apr 04, 2018 at 12:10:03AM +0800, Wei

[PULL] fwcfg, vhost: features and fixes

The following changes since commit 0c8efd610b58cb23cefdfa12015799079aef94ae: Linux 4.16-rc5 (2018-03-11 17:25:09 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git tags/for_linus for you to fetch changes up to

RE: [PATCH v30 2/4] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT

On Wednesday, April 4, 2018 10:08 PM, Michael S. Tsirkin wrote: > On Wed, Apr 04, 2018 at 10:07:51AM +0800, Wei Wang wrote: > > On 04/04/2018 02:47 AM, Michael S. Tsirkin wrote: > > > On Wed, Apr 04, 2018 at 12:10:03AM +0800, Wei Wang wrote: > > > > +static int add_one_sg(struct virtqueue *vq,

RE: [PATCH v30 2/4] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT

On Thursday, April 5, 2018 9:12 AM, Michael S. Tsirkin wrote: > On Thu, Apr 05, 2018 at 12:30:27AM +, Wang, Wei W wrote: > > On Wednesday, April 4, 2018 10:08 PM, Michael S. Tsirkin wrote: > > > On Wed, Apr 04, 2018 at 10:07:51AM +0800, Wei Wang wrote: > > > > On 04/04/2018 02:47 AM, Michael

Re: [PATCH v30 2/4] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT

On Wed, Apr 04, 2018 at 10:07:51AM +0800, Wei Wang wrote: > On 04/04/2018 02:47 AM, Michael S. Tsirkin wrote: > > On Wed, Apr 04, 2018 at 12:10:03AM +0800, Wei Wang wrote: > > > +static int add_one_sg(struct virtqueue *vq, unsigned long pfn, uint32_t > > > len) > > > +{ > > > + struct scatterlist

Re: [RFC PATCH 2/3] netdev: kernel-only IFF_HIDDEN netdevice

From: David Ahern Date: Wed, 4 Apr 2018 11:21:54 -0600 > It is a netdev so there is no reason to have a separate ip command to > inspect it. 'ip link' is the right place. I agree on this. What I really don't understand still is the use case... really. So there are control

Re: [RFC PATCH 2/3] netdev: kernel-only IFF_HIDDEN netdevice

From: David Ahern Date: Wed, 4 Apr 2018 11:37:52 -0600 > Networking vendors have out of tree kernel modules. Those modules use a > netdev (call it a master netdev, a control netdev, cpu port, whatever) > to pull packets from the ASIC and deliver to virtual netdevices >

Re: [RFC PATCH 2/3] netdev: kernel-only IFF_HIDDEN netdevice

On Wed, 4 Apr 2018 11:37:52 -0600 David Ahern wrote: > Networking vendors have out of tree kernel modules. Those modules use a > netdev (call it a master netdev, a control netdev, cpu port, whatever) > to pull packets from the ASIC and deliver to virtual netdevices >

Re: [RFC PATCH 2/3] netdev: kernel-only IFF_HIDDEN netdevice

On Wed, Apr 4, 2018 at 10:21 AM, David Ahern wrote: > On 4/4/18 1:36 AM, Siwei Liu wrote: >> On Tue, Apr 3, 2018 at 6:04 PM, David Ahern wrote: >>> On 4/3/18 9:42 AM, Jiri Pirko wrote: > > There are other use cases that want to hide a device from

Re: [RFC PATCH 2/3] netdev: kernel-only IFF_HIDDEN netdevice

Wed, Apr 04, 2018 at 07:37:49PM CEST, da...@davemloft.net wrote: >From: David Ahern >Date: Wed, 4 Apr 2018 11:21:54 -0600 > >> It is a netdev so there is no reason to have a separate ip command to >> inspect it. 'ip link' is the right place. > >I agree on this. > >What I really

Re: [RFC PATCH 2/3] netdev: kernel-only IFF_HIDDEN netdevice

> Networking vendors have out of tree kernel modules. Those modules use a > netdev (call it a master netdev, a control netdev, cpu port, whatever) > to pull packets from the ASIC and deliver to virtual netdevices > representing physical ports. Sounds a lot like DSA. Please ask the vendor to

Re: [RFC PATCH 2/3] netdev: kernel-only IFF_HIDDEN netdevice

Wed, Apr 04, 2018 at 03:04:26AM CEST, dsah...@gmail.com wrote: >On 4/3/18 9:42 AM, Jiri Pirko wrote: >>> >>> There are other use cases that want to hide a device from userspace. I >> >> What usecases do you have in mind? > >As mentioned in a previous response some kernel drivers create control

Re: [RFC PATCH 2/3] netdev: kernel-only IFF_HIDDEN netdevice

On Tue, Apr 3, 2018 at 11:19 PM, Jiri Pirko wrote: > Wed, Apr 04, 2018 at 03:04:26AM CEST, dsah...@gmail.com wrote: >>On 4/3/18 9:42 AM, Jiri Pirko wrote: There are other use cases that want to hide a device from userspace. I >>> >>> What usecases do you have in mind?

Re: [virtio-dev] Re: [RFC PATCH 1/3] qemu: virtio-bypass should explicitly bind to a passthrough device

On Tue, Apr 3, 2018 at 5:25 AM, Michael S. Tsirkin wrote: > On Sun, Apr 01, 2018 at 05:13:08AM -0400, Si-Wei Liu wrote: >> @@ -896,6 +898,68 @@ void qmp_device_del(const char *id, Error **errp) >> } >> } >> >> +int pci_get_busdevfn_by_id(const char *id, uint16_t *busnr, >>

Re: [virtio-dev] Re: [RFC PATCH 3/3] virtio_net: make lower netdevs for virtio_bypass hidden

On Tue, Apr 3, 2018 at 5:20 AM, Michael S. Tsirkin wrote: > On Sun, Apr 01, 2018 at 05:13:10AM -0400, Si-Wei Liu wrote: >> diff --git a/include/uapi/linux/virtio_net.h >> b/include/uapi/linux/virtio_net.h >> index aa40664..0827b7e 100644 >> --- a/include/uapi/linux/virtio_net.h

Re: [RFC PATCH 2/3] netdev: kernel-only IFF_HIDDEN netdevice

On Tue, Apr 3, 2018 at 6:04 PM, David Ahern wrote: > On 4/3/18 9:42 AM, Jiri Pirko wrote: >>> >>> There are other use cases that want to hide a device from userspace. I >> >> What usecases do you have in mind? > > As mentioned in a previous response some kernel drivers create

Re: [RFC PATCH 2/3] netdev: kernel-only IFF_HIDDEN netdevice

On Tue, Apr 3, 2018 at 6:04 PM, David Ahern wrote: > On 4/3/18 9:42 AM, Jiri Pirko wrote: >>> >>> There are other use cases that want to hide a device from userspace. I >> >> What usecases do you have in mind? > > As mentioned in a previous response some kernel drivers create