[PATCH v3 0/5] Add pmem node for preserving distro ISO's

[Tom Rini]

On Fri, Jan 24, 2025 at 01:39:45PM +0200, Ilias Apalodimas wrote:
> Heinrich, Tobias
> 
> There's a slight problem that I forgot when commenting v2.
> 
> Heinrich's idea of plugging this into blkmap is eventually the right
> thing to do.
> 
> However, when I started coding this I only added the pmem memory as
> 'reserved' in the DT hoping that would work.
> Unfortunately, this depends on a kernel config option. I've managed to
> track down the problem here[0], but I haven't found time to test it
> properly and send it upstream.
> So for this feature to work reliably we *need* to remove the memory
> map we hand over to the OS.
> 
> Since using EFI memmap function into the blkmap code makes no sense,
> can we perhaps merge v2 (or a variant of it), which only targets EFI,
> with an explanation of *why* while I try to sort out the kernel issue?
> 
> 
> [0] https://git.linaro.org/people/ilias.apalodimas/net-next.git/commit/?h=main

I think this is a reasonable path forward, FWIW.

-- 
Tom
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