Re: [PATCH v7] RISC-V: enable XIP

Mike Rapoport
2021-04-09T14:10:46Z

On Fri, Apr 09, 2021 at 02:07:24PM +0200, David Hildenbrand wrote:
> On 09.04.21 13:39, Alex Ghiti wrote:
> > Hi David,
>
> I assume you still somehow create the direct mapping for the kernel, right?
> So it's really some memory region with a direct mapping but without a memmap
> (and right now, without a resource), correct?

XIP kernel text is not a region in memory to begin with ;-)

It resides in a flash and it is executed directly from there without being
relocated to RAM.

That's why it does not need neither direct mapping, nor struct pages.

--
Sincerely yours,
Mike.