Hi Alex,
>From my perspective, I'm happy with the changes made, so from me at
least:
Reviewed-by: Darren Kenny
Thanks,
Darren.
On Thursday, 2023-01-26 at 00:25:54 -05, Alexander Bulekov wrote:
> These patches aim to solve two types of DMA-reentrancy issues:
>
> 1.) mmio -> dma -> mmio case
>
These patches aim to solve two types of DMA-reentrancy issues:
1.) mmio -> dma -> mmio case
To solve this, we track whether the device is engaged in io by
checking/setting a reentrancy-guard within APIs used for MMIO access.
2.) bh -> dma write -> mmio case
This case is trickier, since we dont ha
These patches aim to solve two types of DMA-reentrancy issues:
1.) mmio -> dma -> mmio case
To solve this, we track whether the device is engaged in io by
checking/setting a reentrancy-guard within APIs used for MMIO access.
2.) bh -> dma write -> mmio case
This case is trickier, since we dont ha