From: Juergen Gross <jgross@suse.com>
To: The development of GNU GRUB <grub-devel@gnu.org>
Cc: phcoder@gmail.com, daniel.kiper@oracle.com, mchang@suse.com,
xen-devel@lists.xen.org
Subject: Re: [PATCH v7 00/11] grub-xen: support booting huge pv-domains
Date: Mon, 4 Jul 2016 12:33:17 +0200 [thread overview]
Message-ID: <577A3B6D.7060509__24397.8590624922$1467628477$gmane$org@suse.com> (raw)
In-Reply-To: <5734163F.6010801@suse.com>
On 12/05/16 07:35, Juergen Gross wrote:
> Gentle ping...
Okay, now 4 months since posting the last version. Could it please be
included in a more timely manner?
Juergen
>
> On 03/03/16 10:38, Juergen Gross wrote:
>> The Xen hypervisor supports starting a dom0 with large memory (up to
>> the TB range) by not including the initrd and p2m list in the initial
>> kernel mapping. Especially the p2m list can grow larger than the
>> available virtual space in the initial mapping.
>>
>> The started kernel is indicating the support of each feature via
>> elf notes.
>>
>> This series enables grub-xen to do the same as the hypervisor.
>>
>> Tested with:
>> - 32 bit domU (kernel not supporting unmapped initrd)
>> - 32 bit domU (kernel supporting unmapped initrd)
>> - 1 GB 64 bit domU (kernel supporting unmapped initrd, not p2m)
>> - 1 GB 64 bit domU (kernel supporting unmapped initrd and p2m)
>> - 900GB 64 bit domU (kernel supporting unmapped initrd and p2m)
>>
>> Changes in V7:
>> - patch 9: set initrd size once instead of in if and else clause as requested
>> by Daniel Kiper
>> - patch 10: add GRUB_PACKED attribute to structure, drop alignments in assembly
>> files as requested by Daniel Kiper
>>
>> Changes in V6:
>> - patch 9: rename grub_xen_alloc_final() as requested by Daniel Kiper
>>
>> Changes in V5:
>> - patch 2: set grub_errno to GRUB_ERR_NONE to avoid false error reports as
>> requested by Daniel Kiper
>> - patch 9: let call grub_xen_alloc_final() all subfunctions unconditionally
>> and let them decide whether they need to do anything as suggested by
>> Daniel Kiper
>>
>> Changes in V4:
>> - split patch 1 into two patches as requested by Daniel Kiper
>> - patch 9 (was 8): rename grub_xen_alloc_end() as requested by Daniel Kiper
>> - patch 10 (was 9): align variables in assembly sources,
>> use separate structure define as requested by Daniel Kiper
>>
>> Changes in V3:
>> - added new patch 1 (free memory in case of error) as requested by
>> Daniel Kiper
>> - added new patch 2 (avoid global variables) as requested by Daniel Kiper
>> - added new patch 3 (use constants for elf notes) as requested by Daniel Kiper
>> - added new patch 4 (sync with new Xen headers) in order to use constants
>> in assembly code
>> - modified patch 9 (was patch 5) to use constants instead of numbers as
>> requested by Daniel Kiper
>>
>> Changes in V2:
>> - rebased patch 5 to current master
>>
>> Juergen Gross (11):
>> xen: make xen loader callable multiple times
>> xen: avoid memleaks on error
>> xen: reduce number of global variables in xen loader
>> xen: add elfnote.h to avoid using numbers instead of constants
>> xen: synchronize xen header
>> xen: factor out p2m list allocation into separate function
>> xen: factor out allocation of special pages into separate function
>> xen: factor out allocation of page tables into separate function
>> xen: add capability to load initrd outside of initial mapping
>> xen: modify page table construction
>> xen: add capability to load p2m list outside of kernel mapping
>>
>> grub-core/lib/i386/xen/relocator.S | 87 ++--
>> grub-core/lib/x86_64/xen/relocator.S | 134 +++---
>> grub-core/lib/xen/relocator.c | 28 +-
>> grub-core/loader/i386/xen.c | 778 +++++++++++++++++++++++------------
>> grub-core/loader/i386/xen_fileXX.c | 45 +-
>> include/grub/i386/memory.h | 7 +
>> include/grub/xen/relocator.h | 6 +-
>> include/grub/xen_file.h | 3 +
>> include/xen/arch-x86/xen-x86_32.h | 22 +-
>> include/xen/arch-x86/xen-x86_64.h | 8 +-
>> include/xen/elfnote.h | 281 +++++++++++++
>> include/xen/xen.h | 125 ++++--
>> 12 files changed, 1076 insertions(+), 448 deletions(-)
>> create mode 100644 include/xen/elfnote.h
>>
>
>
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> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
>
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next prev parent reply other threads:[~2016-07-04 10:33 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-03 9:38 [PATCH v7 00/11] grub-xen: support booting huge pv-domains Juergen Gross
2016-03-03 9:38 ` [PATCH v7 01/11] xen: make xen loader callable multiple times Juergen Gross
2016-03-03 9:38 ` [PATCH v7 02/11] xen: avoid memleaks on error Juergen Gross
2016-03-03 9:38 ` [PATCH v7 03/11] xen: reduce number of global variables in xen loader Juergen Gross
2016-03-03 9:38 ` [PATCH v7 04/11] xen: add elfnote.h to avoid using numbers instead of constants Juergen Gross
2016-03-03 9:38 ` [PATCH v7 05/11] xen: synchronize xen header Juergen Gross
2016-03-03 9:38 ` [PATCH v7 06/11] xen: factor out p2m list allocation into separate function Juergen Gross
2016-03-03 9:38 ` [PATCH v7 07/11] xen: factor out allocation of special pages " Juergen Gross
2016-03-03 9:38 ` [PATCH v7 08/11] xen: factor out allocation of page tables " Juergen Gross
2016-03-03 9:38 ` [PATCH v7 09/11] xen: add capability to load initrd outside of initial mapping Juergen Gross
2016-03-03 9:38 ` [PATCH v7 10/11] xen: modify page table construction Juergen Gross
2016-03-03 9:38 ` [PATCH v7 11/11] xen: add capability to load p2m list outside of kernel mapping Juergen Gross
2016-03-03 14:05 ` [PATCH v7 00/11] grub-xen: support booting huge pv-domains Daniel Kiper
2016-03-29 9:52 ` Juergen Gross
[not found] ` <56FA5074.90305@suse.com>
2016-03-29 10:04 ` Daniel Kiper
2016-05-12 5:35 ` Juergen Gross
2016-07-04 10:33 ` Juergen Gross [this message]
[not found] ` <577A3B6D.7060509@suse.com>
2016-07-04 10:53 ` Daniel Kiper
[not found] ` <20160704105339.GU24249@olila.local.net-space.pl>
2016-10-11 14:00 ` Juergen Gross
2016-10-17 6:52 ` Daniel Kiper
[not found] ` <20161017065258.GA23035@router-fw-old.local.net-space.pl>
2016-10-27 14:38 ` Daniel Kiper
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