[Qemu-devel] [PATCH 04/18] dataplane: add virtqueue vring code

2013-01-02 Thread Stefan Hajnoczi
The virtio-blk-data-plane cannot access memory using the usual QEMU functions since it executes outside the global mutex and the memory APIs are this time are not thread-safe. This patch introduces a virtqueue module based on the kernel's vhost vring code. The trick is that we map guest memory ah

[Qemu-devel] [PATCH 04/18] dataplane: add virtqueue vring code

2012-12-19 Thread Stefan Hajnoczi
The virtio-blk-data-plane cannot access memory using the usual QEMU functions since it executes outside the global mutex and the memory APIs are this time are not thread-safe. This patch introduces a virtqueue module based on the kernel's vhost vring code. The trick is that we map guest memory ah