From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: [PATCH 00/11] x86: support up to 16Tb Date: Tue, 22 Jan 2013 20:13:08 +0000 Message-ID: References: <50FE7BF502000078000B82F8@nat28.tlf.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <50FE7BF502000078000B82F8@nat28.tlf.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Jan Beulich , xen-devel List-Id: xen-devel@lists.xenproject.org On 22/01/2013 10:45, "Jan Beulich" 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 I will take a look at these tomorrow. -- Keir > 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 > > Signed-off-by: Jan Beulich > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel