Hi Alexey,
This change is now in mainline as commit b1fc44eaa9ba
("pseries/iommu/ddw: Fix kdump to work in absence of ibm,dma-window").
> diff --git a/arch/powerpc/kexec/file_load_64.c
> b/arch/powerpc/kexec/file_load_64.c
> index b4981b651d9a..5d2c22aa34fb 100644
> ---
On Wed, 29 Jun 2022 16:06:14 +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
On 29/06/22 11:36 am, 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 created in addition.
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
