RE: [PATCH v3 3/4] hyperv-fb: add support for generation 2 virtual machines.

2014-02-24 Thread Haiyang Zhang
asow...@redhat.com; > tomi.valkei...@ti.com; de...@linuxdriverproject.org; Gerd Hoffmann; Jean- > Christophe Plagniol-Villard > Subject: [PATCH v3 3/4] hyperv-fb: add support for generation 2 virtual > machines. > > UEFI-based generation 2 virtual machines support vmbus devices only. &

[PATCH v3 3/4] hyperv-fb: add support for generation 2 virtual machines.

2014-02-24 Thread Gerd Hoffmann
UEFI-based generation 2 virtual machines support vmbus devices only. There is no pci bus. Thus they use a different mechanism for the graphics framebuffer: Instead of using the vga pci bar a chunk of memory muct be allocated from the hyperv mmio region declared using APCI. This patch implements