Re: [PATCH] mmc: sdhci-esdhc-mcf: Flag if the sg_miter is atomic

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Wed, Feb 28, 2024 at 9:36 AM Adrian Hunter <adrian.hunter@xxxxxxxxx> wrote:

> But passing around is_atomic seems ugly
>
> And esdhc_mcf_buffer_swap32() doesn't sleep, so there should not
> be a problem using kmap_atomic()

Aha, I'll send a simple patch just making the iteration atomic
so we don't overwork this.

> As an aside, gotta wonder why there is not:
>
> #define SG_MITER_LOCAL_PAGE    (1 << 3)        /* use kmap_local_page */

That beats me, but Christoph probably has a good answer.

Yours,
Linus Walleij