RE: [PATCH 6/8] xhci: remove GFP_DMA flag from allocation

2017-05-19 Thread David Laight
From: Mathias Nyman > Sent: 19 May 2017 10:49 > To: David Laight; gre...@linuxfoundation.org > Cc: linux-usb@vger.kernel.org; Matthias Lange; sta...@vger.kernel.org > Subject: Re: [PATCH 6/8] xhci: remove GFP_DMA flag from allocation > > On 19.05.2017 12:10, David Laight wrote:

Re: [PATCH 6/8] xhci: remove GFP_DMA flag from allocation

2017-05-19 Thread Mathias Nyman
On 19.05.2017 12:10, David Laight wrote: From: Mathias Nyman Sent: 17 May 2017 16:32 There is no reason to restrict allocations to the first 16MB ISA DMA addresses. It is causing problems in a virtualization setup with enabled IOMMU (x86_64). The result is that USB is not working in the VM.

RE: [PATCH 6/8] xhci: remove GFP_DMA flag from allocation

2017-05-19 Thread David Laight
From: Mathias Nyman > Sent: 17 May 2017 16:32 > There is no reason to restrict allocations to the first 16MB ISA DMA > addresses. > > It is causing problems in a virtualization setup with enabled IOMMU > (x86_64). The result is that USB is not working in the VM. ... > diff --git