Re: [Xen-devel] [PATCH 05/13] xen: simplify xen_set_identity_and_remap() by using global variables

[David Vrabel <dvrabel@xxxxxxxxxx>]

On 18/02/2015 06:51, Juergen Gross wrote:
> xen_set_identity_and_remap() is used to prepare remapping of memory
> conflicting with the E820 map. It is tracking the pfn where to remap
> new memory via a local variable which is passed to a subfunction
> which in turn returns the new value for that variable.
>
> Additionally the targeted maximum pfn is passed as a parameter to
> sub functions.
>
> Simplify that construct by using just global variables in the
> source for that purpose. This will make things simpler when we need
> those values later, too.
I'm not convinced this actually simplifies anything.

David

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