On Mon, Dec 12, 2022 at 12:44:09PM +0100, Klaus Jensen wrote:
> From: Klaus Jensen
>
> Prior to reading the shadow doorbell cq head, we have to update the
> eventidx. Otherwise, we risk that the driver will skip an mmio doorbell
> write. This happens on riscv64, as reported by Guenter.
>
> Addin
From: Klaus Jensen
Prior to reading the shadow doorbell cq head, we have to update the
eventidx. Otherwise, we risk that the driver will skip an mmio doorbell
write. This happens on riscv64, as reported by Guenter.
Adding the missing update to the cq eventidx fixes the issue.
Fixes: 3f7fe8de3d4
