Re: [PATCH v2 bpf-next 2/3] mm, xen: Separate xen use cases from ioremap.

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On Fri, Feb 23, 2024 at 03:57:27PM -0800, Alexei Starovoitov wrote:
> From: Alexei Starovoitov <ast@xxxxxxxxxx>
> 
> xen grant table and xenbus ring are not ioremap the way arch specific code is using it,
> so let's add VM_XEN flag to separate them from VM_IOREMAP users.
> xen will not and should not be calling ioremap_page_range() on that range.
> /proc/vmallocinfo will print such region as "xen" instead of "ioremap" as well.

Splitting this out is a good idea, but XEN seems a bit of a too
generit time.  Probably GRANT_TABLE or XEN_GRANT_TABLE if that isn't
too long would be better.  Maybe the Xen maintainers have an idea.

Also more overlong commit message lines here, I'm not going to complain
on the third patch if they show up again :)





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