On 6/27/22 14:10, Russell Currey wrote:
On Thu, 2022-06-16 at 17:59 +1000, Alexey Kardashevskiy wrote:
The pseries platform uses 32bit default DMA window (always 4K pages)
and
optional 64bit DMA window available via DDW ("Dynamic DMA Windows"),
64K or 2M pages. For ages the default one was no
On Thu, 2022-06-16 at 17:59 +1000, Alexey Kardashevskiy wrote:
> The pseries platform uses 32bit default DMA window (always 4K pages)
> and
> optional 64bit DMA window available via DDW ("Dynamic DMA Windows"),
> 64K or 2M pages. For ages the default one was not removed and a huge
> window was crea
The pseries platform uses 32bit default DMA window (always 4K pages) and
optional 64bit DMA window available via DDW ("Dynamic DMA Windows"),
64K or 2M pages. For ages the default one was not removed and a huge
window was created in addition. Things changed with SRIOV-enabled
PowerVM which creates