On Mon, Dec 12, 2022 at 12:44:09PM +0100, Klaus Jensen wrote:
> From: Klaus Jensen <k.jen...@samsung.com>
>
> 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: 3f7fe8de3d49 ("hw/nvme: Implement shadow doorbell buffer support")
> Cc: qemu-sta...@nongnu.org
> Cc: qemu-ri...@nongnu.org
> Reported-by: Guenter Roeck <li...@roeck-us.net>
> Signed-off-by: Klaus Jensen <k.jen...@samsung.com>
Looks good.
Reviewed-by: Keith Busch <kbu...@kernel.org>
