[virtio-dev] [RFC] virtio-iommu version 0.6

on next-20180206. git://linux-arm.org/linux-jpb.git virtio-iommu/devel git://linux-arm.org/kvmtool-jpb.git virtio-iommu/devel Any comments welcome! Thanks, Jean [1] https://www.spinics.net/lists/kvm/msg157402.html - To unsubscribe

[virtio-dev] Re: [virtio] Re: [virtio-dev] Re: [virtio] [PATCH v7 01/11] content: move 1.0 queue format out to a separate section

On Tue, 6 Feb 2018 12:10:20 +0100 Halil Pasic wrote: > On 02/06/2018 01:05 AM, Michael S. Tsirkin wrote: > > On Mon, Feb 05, 2018 at 11:54:52PM +0100, Halil Pasic wrote: > >> > >> > >> On 01/23/2018 01:01 AM, Michael S. Tsirkin wrote: > >>> Signed-off-by: Michael S.

[virtio-dev] [PATCH v2 2/3] migration: use the free page reporting feature from balloon

Use the free page reporting feature from the balloon device to clear the bits corresponding to guest free pages from the dirty bitmap, so that the free memory are not sent. Signed-off-by: Wei Wang CC: Michael S. Tsirkin CC: Juan Quintela

[virtio-dev] [PATCH v2 0/3] virtio-balloon: free page hint reporting support

This is the deivce part implementation to add a new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT to the virtio-balloon device. The device receives the guest free page hints from the driver and clears the corresponding bits in the dirty bitmap, so that those free pages are not transferred by the

Re: [virtio-dev] Re: [virtio] [PATCH v7 01/11] content: move 1.0 queue format out to a separate section

On Tue, Feb 06, 2018 at 12:10:20PM +0100, Halil Pasic wrote: > I agree with what Connie proposed (drop 'used by legacy virtio devices'). > My point is that this legacy can lead to confusion. It's a good point. I guess it's better to just go the regular route and add a separate section explaining

[virtio-dev] Re: [PATCH v2 3/3] virtio-balloon: add a timer to limit the free page report waiting time

On Tue, Feb 06, 2018 at 07:08:19PM +0800, Wei Wang wrote: > This patch adds a timer to limit the time that host waits for the free > page hints reported by the guest. Users can specify the time in ms via > "free-page-wait-time" command line option. If a user doesn't specify a > time, host waits

[virtio-dev] Re: [PATCH v2 0/3] virtio-balloon: free page hint reporting support

On Tue, Feb 06, 2018 at 07:08:16PM +0800, Wei Wang wrote: > This is the deivce part implementation to add a new feature, > VIRTIO_BALLOON_F_FREE_PAGE_HINT to the virtio-balloon device. The device > receives the guest free page hints from the driver and clears the > corresponding bits in the dirty

[virtio-dev] Re: [PATCH v2 2/3] migration: use the free page reporting feature from balloon

On Tue, Feb 06, 2018 at 07:08:18PM +0800, Wei Wang wrote: > Use the free page reporting feature from the balloon device to clear the > bits corresponding to guest free pages from the dirty bitmap, so that the > free memory are not sent. > > Signed-off-by: Wei Wang > CC:

[virtio-dev] Re: [PATCH v2 1/3] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT

On Tue, Feb 06, 2018 at 07:08:17PM +0800, Wei Wang wrote: > The new feature enables the virtio-balloon device to receive the hint of > guest free pages from the free page vq, and clears the corresponding bits > of the free page from the dirty bitmap, so that those free pages are not > transferred

[virtio-dev] [PATCH v26 2/2 RESEND] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT

Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_HINT feature indicates the support of reporting hints of guest free pages to host via virtio-balloon. Host requests the guest to report free page hints by sending a new cmd id to the guest via the free_page_report_cmd_id configuration register. When

[virtio-dev] Re: [PATCH v26 2/2 RESEND] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT

On Wed, Feb 07, 2018 at 11:01:06AM +0800, Wei Wang wrote: > Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_HINT feature indicates the > support of reporting hints of guest free pages to host via virtio-balloon. > > Host requests the guest to report free page hints by sending a new cmd > id to the

[virtio-dev] [PATCH v27 2/4] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT

Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_HINT feature indicates the support of reporting hints of guest free pages to host via virtio-balloon. Host requests the guest to report free page hints by sending a new cmd id to the guest via the free_page_report_cmd_id configuration register. When

[virtio-dev] [PATCH v27 0/4] Virtio-balloon: support free page reporting

This patch series is separated from the previous "Virtio-balloon Enhancement" series. The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, implemented by this series enables the virtio-balloon driver to report hints of guest free pages to the host. It can be used to accelerate live migration of

[virtio-dev] [PATCH v27 4/4] virtio-balloon: VIRTIO_BALLOON_F_PAGE_POISON

The VIRTIO_BALLOON_F_PAGE_POISON feature bit is used to indicate if the guest is using page poisoning. Guest writes to the poison_val config field to tell host about the page poisoning value in use. Signed-off-by: Wei Wang Suggested-by: Michael S. Tsirkin

[virtio-dev] [PATCH v27 1/4] mm: support reporting free page blocks

This patch adds support to walk through the free page blocks in the system and report them via a callback function. Some page blocks may leave the free list after zone->lock is released, so it is the caller's responsibility to either detect or prevent the use of such pages. One use example of

[virtio-dev] [PATCH v27 3/4] mm/page_poison: expose page_poisoning_enabled to kernel modules

In some usages, e.g. virtio-balloon, a kernel module needs to know if page poisoning is in use. This patch exposes the page_poisoning_enabled function to kernel modules. Signed-off-by: Wei Wang Cc: Andrew Morton Cc: Michal Hocko

[virtio-dev] Re: [PATCH v26 2/2 RESEND] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT

On 02/07/2018 12:34 PM, Michael S. Tsirkin wrote: On Wed, Feb 07, 2018 at 11:01:06AM +0800, Wei Wang wrote: Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_HINT feature indicates the support of reporting hints of guest free pages to host via virtio-balloon. Host requests the guest to report free

[virtio-dev] Re: [virtio] [PATCH v7 01/11] content: move 1.0 queue format out to a separate section

On Tue, 6 Feb 2018 02:05:11 +0200 "Michael S. Tsirkin" wrote: > On Mon, Feb 05, 2018 at 11:54:52PM +0100, Halil Pasic wrote: > > > > > > On 01/23/2018 01:01 AM, Michael S. Tsirkin wrote: > > > +\section{Split Virtqueues}\label{sec:Basic Facilities of a Virtio Device > > >