[SeaBIOS] Re: [PATCH v3 0/4] nvme: Add PRP List support

[Kevin O'Connor]

On Wed, Sep 30, 2020 at 11:10:52PM +0200, Alexander Graf wrote:
> While looking at VM bootup times, we stumbled over the fact that the NVMe
> code only does I/O operations of up to 4kb at a given point in time. This
> is usually ok, but if you have an OS that loads a lot of data on boot in
> combination to network backed storage, it shows in bootup times.
>
> There is no need to restrict ourselves to 4kb though. The INT13 call we
> receive gives us much larger chunks which we can just map into a native
> bigger NVMe I/O call if the request buffer is page aligned.
>
> This patch implements all logic required to do the above and gives a
> substantial performance boost on boot.

Thanks.  I committed this series.

-Kevin