Displaying 2 results from an estimated 2 matches for "f_iotlb_persist".
2023 Aug 16
1
[PATCH RFC 1/4] vdpa: introduce .reset_map operation callback
...k with .dma_map parent drivers.
Probably, but I'd remove dma_map as it doesn't have any real users
except for the simulator.
>
> The reason why a new op is needed or better is because it allows
> userspace to tell apart different reset behavior from the older kernel
> (via the F_IOTLB_PERSIST feature bit in patch 4), while this behavior
> could vary between parent drivers.
I'm ok with a new feature flag, but we need to first seek a way to
reuse the existing API.
Thanks
>
> Regards,
> -Siwei
>
> >
> > Thanks
> >
> >> + *...
2023 Aug 21
0
[PATCH RFC 1/4] vdpa: introduce .reset_map operation callback
...that sake I would keep .dma_map unless there's strong
objection against it.
Thanks,
-Siwei
>
>>>> The reason why a new op is needed or better is because it allows
>>>> userspace to tell apart different reset behavior from the older kernel
>>>> (via the F_IOTLB_PERSIST feature bit in patch 4), while this behavior
>>>> could vary between parent drivers.
>>> I'm ok with a new feature flag, but we need to first seek a way to
>>> reuse the existing API.
>> A feature flag is needed anyway. I'm fine with reusing but guess I...