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:
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.
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