Re: git: 832acea92fc8 - main - icl_soft: Use PHYS_TO_DMAP instead of pmap_map_io_transient.

In reply to: Hans Petter Selasky : "Re: git: 832acea92fc8 - main - icl_soft: Use PHYS_TO_DMAP instead of pmap_map_io_transient."
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From: Hans Petter Selasky <hps_at_selasky.org>
Date: Fri, 11 Mar 2022 09:55:02 UTC

On 3/11/22 10:50, Hans Petter Selasky wrote:
> On 3/11/22 10:32, Andrew Turner wrote:
>> You can use PMAP_HAS_DMAP to check if the DMAP region is supported, 
>> however you’ll need a fallback to create a temporary mapping.
> 
> You may want to look at how the LinuxKPI handles this.
> 

More specifically kmap() and kunmap() .

--HPS