Re: [PATCH v37 0/3] Virtio-balloon: support free page reporting

2018-12-27 Thread Wei Wang
On 12/27/2018 08:17 PM, Christian Borntraeger wrote: On 27.12.2018 12:59, Christian Borntraeger wrote: On 27.12.2018 12:31, Christian Borntraeger wrote: This patch triggers random crashes in the guest kernel on s390 early during boot. No migration and no setting of the balloon is involved.

Re: [PATCH v37 0/3] Virtio-balloon: support free page reporting

2018-12-27 Thread Christian Borntraeger
On 27.12.2018 12:59, Christian Borntraeger wrote: > On 27.12.2018 12:31, Christian Borntraeger wrote: >> This patch triggers random crashes in the guest kernel on s390 early during >> boot. >> No migration and no setting of the balloon is involved. >> > > Adding Conny and Halil, > > As the

Re: [PATCH v37 0/3] Virtio-balloon: support free page reporting

2018-12-27 Thread Christian Borntraeger
On 27.12.2018 12:31, Christian Borntraeger wrote: > This patch triggers random crashes in the guest kernel on s390 early during > boot. > No migration and no setting of the balloon is involved. > Adding Conny and Halil, As the QEMU provides no PAGE_HINT feature yet, this quick hack makes the

Re: [PATCH v37 0/3] Virtio-balloon: support free page reporting

2018-12-27 Thread Christian Borntraeger
This patch triggers random crashes in the guest kernel on s390 early during boot. No migration and no setting of the balloon is involved. On 27.08.2018 03:32, Wei Wang wrote: > The new feature, VIRTIO_BALLOON_F_FREE_PAGE_HINT, implemented by this > series enables the virtio-balloon driver to

Re: [PATCH v37 0/3] Virtio-balloon: support free page reporting

2018-10-25 Thread Wei Wang
On 10/25/2018 08:58 AM, Michael S. Tsirkin wrote: On Mon, Aug 27, 2018 at 09:32:16AM +0800, Wei Wang wrote: 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 host. It can be used to accelerate

Re: [PATCH v37 0/3] Virtio-balloon: support free page reporting

2018-10-24 Thread Michael S. Tsirkin
On Mon, Aug 27, 2018 at 09:32:16AM +0800, Wei Wang wrote: > 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 host. It can be used to accelerate virtual machine (VM) live > migration. Here is an

[PATCH v37 0/3] Virtio-balloon: support free page reporting

2018-08-26 Thread Wei Wang
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 host. It can be used to accelerate virtual machine (VM) live migration. Here is an introduction of this usage: Live migration needs to transfer the