On Friday, June 15, 2018 10:29 PM, Michael S. Tsirkin wrote:
> On Fri, Jun 15, 2018 at 02:11:23PM +, Wang, Wei W wrote:
> > On Friday, June 15, 2018 7:42 PM, Michael S. Tsirkin wrote:
> > > On Fri, Jun 15, 2018 at 12:43:11PM +0800, Wei Wang wrote:
> > > > Negotiation of the
On Fri, 2018-06-15 at 02:16 -0700, Christoph Hellwig wrote:
> On Wed, Jun 13, 2018 at 11:11:01PM +1000, Benjamin Herrenschmidt wrote:
> > Actually ... the stuff in lib/dma-direct.c seems to be just it, no ?
> >
> > There's no cache flushing and there's no architecture hooks that I can
> > see
On Fri, Jun 15, 2018 at 12:43:10PM +0800, Wei Wang wrote:
> +/**
> + * get_from_free_page_list - get free page blocks from a free page list
> + * @order: the order of the free page list to check
> + * @buf: the array to store the physical addresses of the free page blocks
> + * @size: the array
On Saturday, June 16, 2018 7:09 AM, Linus Torvalds wrote:
> On Fri, Jun 15, 2018 at 2:08 PM Wei Wang wrote:
> >
> > This patch adds a function to get free pages blocks from a free page
> > list. The obtained free page blocks are hints about free pages,
> > because there is no guarantee that they
On Fri, Jun 15, 2018 at 11:32:42AM +0200, Cornelia Huck wrote:
> On Fri, 15 Jun 2018 05:34:24 +0300
> "Michael S. Tsirkin" wrote:
>
> > On Thu, Jun 14, 2018 at 12:02:31PM +0200, Cornelia Huck wrote:
>
> > > > > I am not all that familiar with how Qemu manages network devices. If
> > > > > we
On Fri, Jun 15, 2018 at 12:43:11PM +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 command
> to the
On Fri, Jun 15, 2018 at 12:43:09PM +0800, Wei Wang wrote:
> - remove the cmd id related interface. Now host can just send a free
> page hint command to the guest (via the host_cmd config register)
> to start the reporting.
Here we go again. And what if reporting was already
On Thu, 14 Jun 2018 18:57:11 -0700
Siwei Liu wrote:
> Thank you for sharing your thoughts, Cornelia. With questions below, I
> think you raised really good points, some of which I don't have answer
> yet and would also like to explore here.
>
> First off, I don't want to push the discussion to
On Friday, June 15, 2018 7:42 PM, Michael S. Tsirkin wrote:
> On Fri, Jun 15, 2018 at 12:43:11PM +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
On Fri, Jun 15, 2018 at 02:28:49PM +, Wang, Wei W wrote:
> On Friday, June 15, 2018 7:30 PM, Michael S. Tsirkin wrote:
> > On Fri, Jun 15, 2018 at 12:43:09PM +0800, Wei Wang wrote:
> > > - remove the cmd id related interface. Now host can just send a free
> > > page hint command
On Fri, Jun 15, 2018 at 02:11:23PM +, Wang, Wei W wrote:
> On Friday, June 15, 2018 7:42 PM, Michael S. Tsirkin wrote:
> > On Fri, Jun 15, 2018 at 12:43:11PM +0800, Wei Wang wrote:
> > > Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_HINT feature indicates
> > > the support of reporting hints
On Fri, 15 Jun 2018 12:43:09 +0800
Wei Wang wrote:
> 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
On Fri, Jun 15, 2018 at 4:48 AM, Cornelia Huck wrote:
> On Thu, 14 Jun 2018 18:57:11 -0700
> Siwei Liu wrote:
>
>> Thank you for sharing your thoughts, Cornelia. With questions below, I
>> think you raised really good points, some of which I don't have answer
>> yet and would also like to
On Fri, Jun 15, 2018 at 2:08 PM Wei Wang wrote:
>
> This patch adds a function to get free pages blocks from a free page
> list. The obtained free page blocks are hints about free pages, because
> there is no guarantee that they are still on the free page list after
> the function returns.
Ack.
Btw, if you are on a spree to remove almost unused data structures
from target code, the lib/btree.c code is only used by the qla2xxx
target code, and doesn't really look like the best fit for it either.
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On Wed, Jun 13, 2018 at 11:11:01PM +1000, Benjamin Herrenschmidt wrote:
> Actually ... the stuff in lib/dma-direct.c seems to be just it, no ?
>
> There's no cache flushing and there's no architecture hooks that I can
> see other than the AMD security stuff which is probably fine.
>
> Or am I
On Fri, 15 Jun 2018 05:34:24 +0300
"Michael S. Tsirkin" wrote:
> On Thu, Jun 14, 2018 at 12:02:31PM +0200, Cornelia Huck wrote:
> > > > I am not all that familiar with how Qemu manages network devices. If we
> > > > can
> > > > do all the
> > > > required management of the primary/standby
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