Re: [PATCH] Replace ioremap_cache() with memremap()

From: Wei Liu
Date: Sun Nov 12 2023 - 18:12:44 EST


On Wed, Nov 01, 2023 at 09:01:48AM -0700, Nischala Yelchuri wrote:
> Current Hyper-V code for CoCo VMs uses ioremap_cache() to map normal memory as decrypted.
> ioremap_cache() is ideally used to map I/O device memory when it has the characteristics
> of normal memory. It should not be used to map normal memory as the returned pointer
> has the __iomem attribute.

Do you find any real world issues with the current code? How do you
discover these issues?

Thanks,
Wei.