On 02/02/17 11:26, Will Deacon wrote:
> On Wed, Feb 01, 2017 at 09:19:22PM +0200, Michael S. Tsirkin wrote:
>> On Wed, Feb 01, 2017 at 06:27:09PM +, Will Deacon wrote:
>>> On Wed, Feb 01, 2017 at 08:09:21PM +0200, Michael S. Tsirkin wrote:
I'd like to do that instead. It's fastboot doing
citly call this out in the virtio-mmio
DT binding in the hope of heading off any further workarounds for future
firmware mishaps.
Fixes: c7070619f340 ("vring: Force use of DMA API for ARM-based systems with
legacy devices")
Signed-off-by: Robin Murphy <robin.mur...@arm.com>
---
: b42111382f0e ("virtio_mmio: Use the DMA API if enabled")
Signed-off-by: Robin Murphy <robin.mur...@arm.com>
---
drivers/virtio/virtio_mmio.c | 20 +++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/vi
From: Will Deacon
Booting Linux on an ARM fastmodel containing an SMMU emulation results
in an unexpected I/O page fault from the legacy virtio-blk PCI device:
[1.211721] arm-smmu-v3 2b40.smmu: event 0x10 received:
[1.211800] arm-smmu-v3 2b40.smmu:
On 10/01/17 14:54, Michael S. Tsirkin wrote:
> On Tue, Jan 10, 2017 at 12:26:01PM +0000, Robin Murphy wrote:
>> Once DMA API usage is enabled, it becomes apparent that virtio-mmio is
>> inadvertently relying on the default 32-bit DMA mask, which leads to
>> problems like rapid
On 10/01/17 13:15, Arnd Bergmann wrote:
> On Tuesday, January 10, 2017 12:26:01 PM CET Robin Murphy wrote:
>> @@ -548,6 +550,14 @@ static int virtio_mmio_probe(struct platform_device
>> *pdev)
>> if (vm_dev->version == 1)
>>
suitably limited for the legacy vring as per
a0be1db4304f ("virtio_pci: Limit DMA mask to 44 bits for legacy virtio
devices").
Reported-by: Jean-Philippe Brucker <jean-philippe.bruc...@arm.com>
Fixes: b42111382f0e ("virtio_mmio: Use the DMA API if enabled")
Signed-off-b
On 06/01/17 21:51, Andy Lutomirski wrote:
> On Fri, Jan 6, 2017 at 10:32 AM, Robin Murphy <robin.mur...@arm.com> wrote:
>> On 06/01/17 17:48, Jean-Philippe Brucker wrote:
>>> Hi Will,
>>>
>>> On 20/12/16 15:14, Will Deacon wrote:
>>>> Booting
On 06/01/17 17:48, Jean-Philippe Brucker wrote:
> Hi Will,
>
> On 20/12/16 15:14, Will Deacon wrote:
>> Booting Linux on an ARM fastmodel containing an SMMU emulation results
>> in an unexpected I/O page fault from the legacy virtio-blk PCI device:
>>
>> [1.211721] arm-smmu-v3 2b40.smmu:
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