From: Keir Fraser <keir@xen.org>
To: Jan Beulich <JBeulich@suse.com>, xen-devel <xen-devel@lists.xen.org>
Subject: Re: [PATCH 00/11] x86: support up to 16Tb
Date: Wed, 23 Jan 2013 09:33:16 +0000 [thread overview]
Message-ID: <CD255EDC.59767%keir@xen.org> (raw)
In-Reply-To: <50FE7BF502000078000B82F8@nat28.tlf.novell.com>
On 22/01/2013 10:45, "Jan Beulich" <JBeulich@suse.com> wrote:
> This series enables Xen to support up to 16Tb.
>
> 01: x86: introduce virt_to_xen_l1e()
> 02: x86: extend frame table virtual space
> 03: x86: re-introduce map_domain_page() et al
> 04: x86: properly use map_domain_page() when building Dom0
> 05: x86: consolidate initialization of PV guest L4 page tables
> 06: x86: properly use map_domain_page() during domain creation/destruction
> 07: x86: properly use map_domain_page() during page table manipulation
> 08: x86: properly use map_domain_page() in nested HVM code
> 09: x86: properly use map_domain_page() in miscellaneous places
> 10: tmem: partial adjustments for x86 16Tb support
> 11: x86: support up to 16Tb
Acked-by: Keir Fraser <keir@xen.org>
There's an 'ifdef PAGE_LIST_NULL' in patch 11 in x86/setup.c. Is that really
needed?
> As I don't have a 16Tb system around, I used the following
> debugging patch to simulate the most critical aspect the changes
> above would have on a system with this much memory: Not all of
> the 1:1 mapping being accessible when in PV guest context. To do
> so, a command line option to pull the split point down is being
> added. The patch is being provided in the raw form I used it, but
> has pieces properly formatted and not marked "//temp" which I
> would think might be worth considering to add. The other pieces
> are likely less worthwhile, but if others think differently I could
> certainly also put them into "normal" shape.
>
> 12: x86: debugging code for testing 16Tb support on smaller memory systems
Make split-gb a size_param, and rename to something more meaningful like
highmem_start.
-- Keir
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
>
>
> _______________________________________________
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> Xen-devel@lists.xen.org
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next prev parent reply other threads:[~2013-01-23 9:33 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-22 10:45 [PATCH 00/11] x86: support up to 16Tb Jan Beulich
2013-01-22 10:50 ` [PATCH 02/11] x86: extend frame table virtual space Jan Beulich
2013-01-22 10:50 ` [PATCH 03/11] x86: re-introduce map_domain_page() et al Jan Beulich
2013-01-22 10:51 ` [PATCH 04/11] x86: properly use map_domain_page() when building Dom0 Jan Beulich
2013-01-22 10:52 ` [PATCH 05/11] x86: consolidate initialization of PV guest L4 page tables Jan Beulich
2013-01-22 10:53 ` [PATCH 06/11] x86: properly use map_domain_page() during domain creation/destruction Jan Beulich
2013-01-22 10:55 ` [PATCH 07/11] x86: properly use map_domain_page() during page table manipulation Jan Beulich
2013-01-22 10:55 ` [PATCH 08/11] x86: properly use map_domain_page() in nested HVM code Jan Beulich
2013-01-22 10:56 ` [PATCH 09/11] x86: properly use map_domain_page() in miscellaneous places Jan Beulich
2013-01-22 10:57 ` [PATCH 10/11] tmem: partial adjustments for x86 16Tb support Jan Beulich
2013-01-22 17:55 ` Dan Magenheimer
2013-01-22 10:57 ` [PATCH 11/11] x86: support up to 16Tb Jan Beulich
2013-01-22 15:20 ` Dan Magenheimer
2013-01-22 15:31 ` Jan Beulich
2013-01-22 10:58 ` [PATCH 12/11] x86: debugging code for testing 16Tb support on smaller memory systems Jan Beulich
2013-01-23 14:26 ` [PATCH v2] " Jan Beulich
2013-01-23 15:18 ` Keir Fraser
2013-01-24 11:36 ` Tim Deegan
2013-01-24 12:23 ` Jan Beulich
2013-01-24 12:36 ` Tim Deegan
2013-01-22 20:13 ` [PATCH 00/11] x86: support up to 16Tb Keir Fraser
2013-01-23 9:33 ` Keir Fraser [this message]
2013-01-23 9:56 ` Jan Beulich
2013-01-23 10:16 ` Keir Fraser
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