diff options
| author | Matthias Lange <matthias.lange@kernkonzept.com> | 2017-05-17 18:32:04 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-05-18 15:19:42 +0200 |
| commit | 5db851cf20857c5504b146046e97cb7781f2a743 (patch) | |
| tree | 4d7ebe5b63616bf9cb360e342ef1e219d3d9bb99 | |
| parent | 63aea0dbab90a2461faaae357cbc8cfd6c8de9fe (diff) | |
xhci: remove GFP_DMA flag from allocation
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.
CC: <stable@vger.kernel.org>
Signed-off-by: Matthias Lange <matthias.lange@kernkonzept.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 12b573cfb846..1f1687e888d6 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -56,7 +56,7 @@ static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci, } if (max_packet) { - seg->bounce_buf = kzalloc(max_packet, flags | GFP_DMA); + seg->bounce_buf = kzalloc(max_packet, flags); if (!seg->bounce_buf) { dma_pool_free(xhci->segment_pool, seg->trbs, dma); kfree(seg); |