On 10/12/2022 10:40 AM, Jason Gunthorpe wrote:
> On Wed, Oct 12, 2022 at 09:50:53AM -0400, Steven Sistare wrote:
>
>>> Anyhow, I think this conversation has convinced me there is no way to
>>> fix VFIO_DMA_UNMAP_FLAG_VADDR. I'll send a patch reverting it due to
>
On 10/12/2022 8:32 AM, Jason Gunthorpe wrote:
> On Tue, Oct 11, 2022 at 04:30:58PM -0400, Steven Sistare wrote:
>> On 10/11/2022 8:30 AM, Jason Gunthorpe wrote:
>>> On Mon, Oct 10, 2022 at 04:54:50PM -0400, Steven Sistare wrote:
>>>>> Do we have a solution to this
On 10/11/2022 8:30 AM, Jason Gunthorpe wrote:
> On Mon, Oct 10, 2022 at 04:54:50PM -0400, Steven Sistare wrote:
>>> Do we have a solution to this?
>>>
>>> If not I would like to make a patch removing VFIO_DMA_UNMAP_FLAG_VADDR
>>>
>>> Aside from the
On 10/6/2022 12:01 PM, Jason Gunthorpe wrote:
> On Wed, Sep 21, 2022 at 08:09:54PM -0300, Jason Gunthorpe wrote:
>> On Wed, Sep 21, 2022 at 03:30:55PM -0400, Steven Sistare wrote:
>>
>>>> If Steve wants to keep it then someone needs to fix the deadlock in
>>>
On 10/6/2022 12:01 PM, Jason Gunthorpe wrote:
> On Wed, Sep 21, 2022 at 08:09:54PM -0300, Jason Gunthorpe wrote:
>> On Wed, Sep 21, 2022 at 03:30:55PM -0400, Steven Sistare wrote:
>>
>>>> If Steve wants to keep it then someone needs to fix the deadlock in
>>>
On 9/21/2022 2:44 PM, Jason Gunthorpe wrote:
> On Wed, Sep 21, 2022 at 12:06:49PM -0600, Alex Williamson wrote:
>
>>> I still think the compat gaps are small. I've realized that
>>> VFIO_DMA_UNMAP_FLAG_VADDR has no implementation in qemu, and since it
>>> can deadlock the kernel I propose we
