linux-kernel - Re: [PATCH v1 01/12] x86/smp: Make start_secondary() and initial_pg

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Date:	Tue, 26 Jan 2016 22:58:03 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc:	David Vrabel <david.vrabel@...rix.com>, konrad.wilk@...cle.com,
	xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
	roger.pau@...rix.com, mcgrof@...e.com
Subject: Re: [PATCH v1 01/12] x86/smp: Make start_secondary() and
 initial_pg_pmd visible globally

On Mon, Jan 25, 2016 at 10:30:26AM -0500, Boris Ostrovsky wrote:
> initial_pg_pmd (together with initial_page_table) are not really required
> --- I just used them for temporary page tables in the hvmlite startup code
> instead of allocating dedicated pages for that. Perhaps there is other
> (Xen-specific) area that I can use for that. Once we jump to startup_32
> these tables are no longer in use.

Then please create and use your own. There's no need for this short
temporary dependency during boot, especially if one day we go and change
things and break xen in the process.

-- 
Regards/Gruss,
    Boris.

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