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

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Message-ID: <20161202094554.GA28775@gmail.com>
Date:   Fri, 2 Dec 2016 10:45:54 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, david.vrabel@...rix.com,
        JGross@...e.com, roger.pau@...rix.com,
        linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org,
        x86@...nel.org, Matt Fleming <matt@...eblueprint.co.uk>
Subject: Re: [PATCH 2/8] x86/head: Refactor 32-bit pgtable setup


* Boris Ostrovsky <boris.ostrovsky@...cle.com> 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@...eblueprint.co.uk>
> >>
> >> 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