On 01/24/2018 12:29 PM, Michael S. Tsirkin wrote:
On Mon, Jan 22, 2018 at 07:25:45PM +0800, Wei Wang wrote:
On 01/19/2018 08:39 PM, Michael S. Tsirkin wrote:
On Fri, Jan 19, 2018 at 11:44:21AM +0800, Wei Wang wrote:
On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
On Wed, Jan 17, 2018 at
On 01/24/2018 12:29 PM, Michael S. Tsirkin wrote:
On Mon, Jan 22, 2018 at 07:25:45PM +0800, Wei Wang wrote:
On 01/19/2018 08:39 PM, Michael S. Tsirkin wrote:
On Fri, Jan 19, 2018 at 11:44:21AM +0800, Wei Wang wrote:
On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
On Wed, Jan 17, 2018 at
On Wed, Jan 24, 2018 at 11:18:40AM +0800, Wei Wang wrote:
> On 01/22/2018 07:25 PM, Wei Wang wrote:
> > On 01/19/2018 08:39 PM, Michael S. Tsirkin wrote:
> > > On Fri, Jan 19, 2018 at 11:44:21AM +0800, Wei Wang wrote:
> > > > On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
> > > > > On Wed, Jan
On Wed, Jan 24, 2018 at 11:18:40AM +0800, Wei Wang wrote:
> On 01/22/2018 07:25 PM, Wei Wang wrote:
> > On 01/19/2018 08:39 PM, Michael S. Tsirkin wrote:
> > > On Fri, Jan 19, 2018 at 11:44:21AM +0800, Wei Wang wrote:
> > > > On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
> > > > > On Wed, Jan
On Mon, Jan 22, 2018 at 07:25:45PM +0800, Wei Wang wrote:
> On 01/19/2018 08:39 PM, Michael S. Tsirkin wrote:
> > On Fri, Jan 19, 2018 at 11:44:21AM +0800, Wei Wang wrote:
> > > On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
> > > > On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
> >
On Mon, Jan 22, 2018 at 07:25:45PM +0800, Wei Wang wrote:
> On 01/19/2018 08:39 PM, Michael S. Tsirkin wrote:
> > On Fri, Jan 19, 2018 at 11:44:21AM +0800, Wei Wang wrote:
> > > On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
> > > > On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
> >
On 01/22/2018 07:25 PM, Wei Wang wrote:
On 01/19/2018 08:39 PM, Michael S. Tsirkin wrote:
On Fri, Jan 19, 2018 at 11:44:21AM +0800, Wei Wang wrote:
On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
+vb->start_cmd_id = cmd_id;
On 01/22/2018 07:25 PM, Wei Wang wrote:
On 01/19/2018 08:39 PM, Michael S. Tsirkin wrote:
On Fri, Jan 19, 2018 at 11:44:21AM +0800, Wei Wang wrote:
On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
+vb->start_cmd_id = cmd_id;
On 01/19/2018 08:39 PM, Michael S. Tsirkin wrote:
On Fri, Jan 19, 2018 at 11:44:21AM +0800, Wei Wang wrote:
On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
+ vb->start_cmd_id = cmd_id;
+
On 01/19/2018 08:39 PM, Michael S. Tsirkin wrote:
On Fri, Jan 19, 2018 at 11:44:21AM +0800, Wei Wang wrote:
On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
+ vb->start_cmd_id = cmd_id;
+
Michael S. Tsirkin wrote:
> > > > >> + * the page if the vq is full. We are adding one entry each
> > > > >> time,
> > > > >> + * which essentially results in no memory allocation, so the
> > > > >> + * GFP_KERNEL flag below can be ignored.
> > > > >> + */
> > > > >> +if
Michael S. Tsirkin wrote:
> > > > >> + * the page if the vq is full. We are adding one entry each
> > > > >> time,
> > > > >> + * which essentially results in no memory allocation, so the
> > > > >> + * GFP_KERNEL flag below can be ignored.
> > > > >> + */
> > > > >> +if
On Fri, Jan 19, 2018 at 11:44:21AM +0800, Wei Wang wrote:
> On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
> > On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
> >
>
> >
> > > +{
> > > + struct scatterlist sg;
> > > + unsigned int unused;
> > > + int err;
> > > +
> > > +
On Fri, Jan 19, 2018 at 11:44:21AM +0800, Wei Wang wrote:
> On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
> > On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
> >
>
> >
> > > +{
> > > + struct scatterlist sg;
> > > + unsigned int unused;
> > > + int err;
> > > +
> > > +
On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
+static void virtballoon_changed(struct virtio_device *vdev)
+{
+ struct virtio_balloon *vb = vdev->priv;
+ unsigned long flags;
+ __u32 cmd_id;
+ s64 diff =
On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
+static void virtballoon_changed(struct virtio_device *vdev)
+{
+ struct virtio_balloon *vb = vdev->priv;
+ unsigned long flags;
+ __u32 cmd_id;
+ s64 diff =
On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
+{
+ struct scatterlist sg;
+ unsigned int unused;
+ int err;
+
+ sg_init_one(, addr, sizeof(uint32_t));
This passes a guest-endian value to host. This is a
On 01/18/2018 12:44 AM, Michael S. Tsirkin wrote:
On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
+{
+ struct scatterlist sg;
+ unsigned int unused;
+ int err;
+
+ sg_init_one(, addr, sizeof(uint32_t));
This passes a guest-endian value to host. This is a
On Fri, Jan 19, 2018 at 06:11:31AM +0900, Tetsuo Handa wrote:
> Michael S. Tsirkin wrote:
> > On Thu, Jan 18, 2018 at 10:30:18PM +0900, Tetsuo Handa wrote:
> > > On 2018/01/18 1:44, Michael S. Tsirkin wrote:
> > > >> +static void add_one_sg(struct virtqueue *vq, unsigned long pfn,
> > > >>
On Fri, Jan 19, 2018 at 06:11:31AM +0900, Tetsuo Handa wrote:
> Michael S. Tsirkin wrote:
> > On Thu, Jan 18, 2018 at 10:30:18PM +0900, Tetsuo Handa wrote:
> > > On 2018/01/18 1:44, Michael S. Tsirkin wrote:
> > > >> +static void add_one_sg(struct virtqueue *vq, unsigned long pfn,
> > > >>
Michael S. Tsirkin wrote:
> On Thu, Jan 18, 2018 at 10:30:18PM +0900, Tetsuo Handa wrote:
> > On 2018/01/18 1:44, Michael S. Tsirkin wrote:
> > >> +static void add_one_sg(struct virtqueue *vq, unsigned long pfn,
> > >> uint32_t len)
> > >> +{
> > >> +struct scatterlist sg;
> > >> +
Michael S. Tsirkin wrote:
> On Thu, Jan 18, 2018 at 10:30:18PM +0900, Tetsuo Handa wrote:
> > On 2018/01/18 1:44, Michael S. Tsirkin wrote:
> > >> +static void add_one_sg(struct virtqueue *vq, unsigned long pfn,
> > >> uint32_t len)
> > >> +{
> > >> +struct scatterlist sg;
> > >> +
On Thu, Jan 18, 2018 at 10:30:18PM +0900, Tetsuo Handa wrote:
> On 2018/01/18 1:44, Michael S. Tsirkin wrote:
> >> +static void add_one_sg(struct virtqueue *vq, unsigned long pfn, uint32_t
> >> len)
> >> +{
> >> + struct scatterlist sg;
> >> + unsigned int unused;
> >> + int err;
> >> +
> >> +
On Thu, Jan 18, 2018 at 10:30:18PM +0900, Tetsuo Handa wrote:
> On 2018/01/18 1:44, Michael S. Tsirkin wrote:
> >> +static void add_one_sg(struct virtqueue *vq, unsigned long pfn, uint32_t
> >> len)
> >> +{
> >> + struct scatterlist sg;
> >> + unsigned int unused;
> >> + int err;
> >> +
> >> +
On 2018/01/18 1:44, Michael S. Tsirkin wrote:
>> +static void add_one_sg(struct virtqueue *vq, unsigned long pfn, uint32_t
>> len)
>> +{
>> +struct scatterlist sg;
>> +unsigned int unused;
>> +int err;
>> +
>> +sg_init_table(, 1);
>> +sg_set_page(, pfn_to_page(pfn), len, 0);
On 2018/01/18 1:44, Michael S. Tsirkin wrote:
>> +static void add_one_sg(struct virtqueue *vq, unsigned long pfn, uint32_t
>> len)
>> +{
>> +struct scatterlist sg;
>> +unsigned int unused;
>> +int err;
>> +
>> +sg_init_table(, 1);
>> +sg_set_page(, pfn_to_page(pfn), len, 0);
On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
> Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_VQ feature indicates the
> support of reporting hints of guest free pages to host via virtio-balloon.
>
> Host requests the guest to report free pages by sending a new cmd
> id to the guest
On Wed, Jan 17, 2018 at 01:10:11PM +0800, Wei Wang wrote:
> Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_VQ feature indicates the
> support of reporting hints of guest free pages to host via virtio-balloon.
>
> Host requests the guest to report free pages by sending a new cmd
> id to the guest
On 01/17/2018 05:27 PM, Pankaj Gupta wrote:
On 01/17/2018 04:21 PM, Pankaj Gupta wrote:
o.k you have initialize "err = -ENOMEM;"
Remove these four lines.
-kfree(names);
-kfree(callbacks);
-kfree(vqs);
-return 0;
+err = 0; //
On 01/17/2018 05:27 PM, Pankaj Gupta wrote:
On 01/17/2018 04:21 PM, Pankaj Gupta wrote:
o.k you have initialize "err = -ENOMEM;"
Remove these four lines.
-kfree(names);
-kfree(callbacks);
-kfree(vqs);
-return 0;
+err = 0; //
> On 01/17/2018 04:21 PM, Pankaj Gupta wrote:
> >> Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_VQ feature indicates the
> >> support of reporting hints of guest free pages to host via virtio-balloon.
> >>
> >> Host requests the guest to report free pages by sending a new cmd
> >> id to the
> On 01/17/2018 04:21 PM, Pankaj Gupta wrote:
> >> Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_VQ feature indicates the
> >> support of reporting hints of guest free pages to host via virtio-balloon.
> >>
> >> Host requests the guest to report free pages by sending a new cmd
> >> id to the
On 01/17/2018 04:21 PM, Pankaj Gupta wrote:
Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_VQ feature indicates the
support of reporting hints of guest free pages to host via virtio-balloon.
Host requests the guest to report free pages by sending a new cmd
id to the guest via the
On 01/17/2018 04:21 PM, Pankaj Gupta wrote:
Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_VQ feature indicates the
support of reporting hints of guest free pages to host via virtio-balloon.
Host requests the guest to report free pages by sending a new cmd
id to the guest via the
>
> Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_VQ feature indicates the
> support of reporting hints of guest free pages to host via virtio-balloon.
>
> Host requests the guest to report free pages by sending a new cmd
> id to the guest via the free_page_report_cmd_id configuration register.
>
> Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_VQ feature indicates the
> support of reporting hints of guest free pages to host via virtio-balloon.
>
> Host requests the guest to report free pages by sending a new cmd
> id to the guest via the free_page_report_cmd_id configuration register.
Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_VQ feature indicates the
support of reporting hints of guest free pages to host via virtio-balloon.
Host requests the guest to report free pages by sending a new cmd
id to the guest via the free_page_report_cmd_id configuration register.
When the
Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_VQ feature indicates the
support of reporting hints of guest free pages to host via virtio-balloon.
Host requests the guest to report free pages by sending a new cmd
id to the guest via the free_page_report_cmd_id configuration register.
When the
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