[virtio-dev] Re: presentation at kvm forum and pagefaults

2019-10-31 Thread Michael S. Tsirkin
Regarding the presentation I gave at the kvm forum on pagefaults. Two points: 1. pagefaults are important not just for migration. They are important for performance features such as autonuma and huge pages, since this relies on moving pages around. Migration can maybe be solved by switch to soft

Re: [virtio-dev] [PATCH] [RFC RESEND] vdec: Add virtio video decode device specification

2019-10-31 Thread David Stevens
[Resending after subscribing to virtio-dev, sorry for the noise] > When running drm-misc-next you should be able to test whenever that'll > actually work without any virtio-gpu driver changes. I did some experimentation with the Chrome OS kernel-next branch (based on v5.4-rc3) plus drm-misc-next.

Re: [virtio-dev] [PATCH] [RFC RESEND] vdec: Add virtio video decode device specification

2019-10-31 Thread Keiichi Watanabe
Hi, I just sent a patch for our virtio-vdec driver to the Linux Media mailing list: https://patchwork.kernel.org/patch/11220661/ This implementation uses the initial version of virtio-vdec I proposed in this thread and doesn't contain David's recent patch for DMA addresses of virtio-gpu buffers. I