Re: [PATCH 2/8] x86/head: Refactor 32-bit pgtable setup

From: Ingo Molnar
Date: Fri Dec 02 2016 - 04:46:22 EST



* Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> wrote:

> On 10/31/2016 08:33 AM, Boris Ostrovsky wrote:
> >
> >
> > On 10/14/2016 02:05 PM, Boris Ostrovsky wrote:
> >> From: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
> >>
> >> The new Xen PVH entry point requires page tables to be setup by the
> >> kernel since it is entered with paging disabled.
> >>
> >> Pull the common code out of head_32.S and into pgtable_32.S so that
> >> setup_pgtable_32 can be invoked from both the new Xen entry point and
> >> the existing startup_32 code.
> >
> >
> > Ping to x86 maintainers.
>
> Pinging again.
>
> I will be re-sending this series at some point (it has been delayed by
> some hypervisor changes that will be needed) but I'd like to hear from
> x86 maintainers whether this will be acceptable before I post this again.

Could this be done in C?

Thanks,

Ingo