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Date: Fri, 19 Jul 2024 21:59:37 +0200
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Subject: Re: [PATCH 1/3] mm: vmalloc: export __vmalloc_node_range
To: Mary Strodl <mstrodl@freedom.csh.rit.edu>,
 Christian Gmeiner <christian.gmeiner@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
 Matthew Wilcox <willy@infradead.org>, Christoph Hellwig <hch@infradead.org>,
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From: Rudolf Marek <r.marek@assembler.cz>
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Hi,

Dne 19. 07. 24 v 13:58 Mary Strodl napsal(a):
> I think this is good discussion, thanks for sharing your thoughts
> everybody.

I would suggest to simply run the BIOS code of this interface in usermode. Sort of similar to VM86 VESA stuff.
Last time I looked into this it used STI/CLI/RDMSR/WRMSR and couple of I/O ports and cf8/cfc for PCI.

Thanks,
Rudolf