Re: mmc vs highmem, was: Re: [PATCH 2/2] blk-mq: ensure a q_usage_counter reference is held when splitting bios

Christoph Hellwig
2024-01-23T09:11:37Z

On Mon, Jan 22, 2024 at 03:57:16PM +0100, Arnd Bergmann wrote:
> > It would be good to fix the one or two that could use highmem and add a
> > depends on !HIGHMEM for the others
>
> I would prefer a runtime check here, as one might still have a
> multiplatform kernel where one machine can use highmem and
> another machine can use one of these drivers, e.g. in
> imx_v6_v7_defconfig.

Well, if someone can come up with a good runtime check that's fine with me.