RE: [PATCH v2] video: hyperv: hyperv_fb: Use physical memory for fb on HyperV Gen 1 VMs.

2019-11-28 Thread Michael Kelley
From: Wei Hu Sent: Friday, November 22, 2019 12:24 AM > > On Hyper-V, Generation 1 VMs can directly use VM's physical memory for > their framebuffers. This can improve the efficiency of framebuffer and > overall performence for VM. The physical memory assigned to framebuffer > must be contiguous.

Re: [PATCH v2] video: hyperv: hyperv_fb: Use physical memory for fb on HyperV Gen 1 VMs.

2019-11-25 Thread kbuild test robot
Hi Wei, I love your patch! Yet something to improve: [auto build test ERROR on next-20191122] [cannot apply to linus/master v5.4-rc8 v5.4-rc7 v5.4-rc6 v5.4] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' opti

Re: [PATCH v2] video: hyperv: hyperv_fb: Use physical memory for fb on HyperV Gen 1 VMs.

2019-11-24 Thread kbuild test robot
Hi Wei, I love your patch! Perhaps something to improve: [auto build test WARNING on next-20191122] [cannot apply to linus/master v5.4-rc8 v5.4-rc7 v5.4-rc6 v5.4] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base

[PATCH v2] video: hyperv: hyperv_fb: Use physical memory for fb on HyperV Gen 1 VMs.

2019-11-22 Thread Wei Hu
On Hyper-V, Generation 1 VMs can directly use VM's physical memory for their framebuffers. This can improve the efficiency of framebuffer and overall performence for VM. The physical memory assigned to framebuffer must be contiguous. We use CMA allocator to get contiguouse physicial memory when the