RE: [PATCH v5 1/2] hyperv-fb: add support for generation 2 virtual machines.

2014-02-26 Thread Haiyang Zhang
foundation.org; KY Srinivasan; > Abhishek Gupta (LIS); Haiyang Zhang; jasow...@redhat.com; > tomi.valkei...@ti.com; de...@linuxdriverproject.org; Gerd Hoffmann; Jean- > Christophe Plagniol-Villard > Subject: [PATCH v5 1/2] hyperv-fb: add support for generation 2 virtual > machines. >

[PATCH v5 1/2] hyperv-fb: add support for generation 2 virtual machines.

2014-02-26 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