Michael Zoran <mzo...@crowfest.net> writes:

> The current dma_map_sg based implementation for bulk messages
> computes many offsets into a single allocation multiple times in
> both the create and free code paths.  This is inefficient,
> error prone and in fact still has a few lingering issues
> with arm64.
>
> This change replaces a small portion of that inplementation with
> new code that uses a new struct vchiq_pagelist_info to store the
> needed information rather then complex offset calculations.
>
> This improved implementation should be more efficient and easier
> to understand and maintain.
>
> Tests Run(Both Pass):
> vchiq_test -p 1
> vchiq_test -f 10

Looks good, and it's a nice cleanup.  Thanks!

Reviewed-by: Eric Anholt <e...@anholt.net>

I had one style note, which was that you're using an int and 0/1 for a
boolean value, but we like to use proper bools and true/false instead.
However, you're modifying code that was already using an int for related
booleans, so that can be a separate cleanup.

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