From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1bK1Bw-0002Ef-HV for mharc-grub-devel@gnu.org; Mon, 04 Jul 2016 06:33:28 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47516) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bK1Bt-0002EL-A3 for grub-devel@gnu.org; Mon, 04 Jul 2016 06:33:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bK1Bo-00063r-AT for grub-devel@gnu.org; Mon, 04 Jul 2016 06:33:24 -0400 Received: from mx2.suse.de ([195.135.220.15]:33878) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bK1Bn-00063j-UX for grub-devel@gnu.org; Mon, 04 Jul 2016 06:33:20 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 12650AC35; Mon, 4 Jul 2016 10:33:18 +0000 (UTC) Subject: Re: [Xen-devel] [PATCH v7 00/11] grub-xen: support booting huge pv-domains To: The development of GNU GRUB References: <1456997896-14063-1-git-send-email-jgross@suse.com> <5734163F.6010801@suse.com> Cc: phcoder@gmail.com, daniel.kiper@oracle.com, mchang@suse.com, xen-devel@lists.xen.org From: Juergen Gross Message-ID: <577A3B6D.7060509@suse.com> Date: Mon, 4 Jul 2016 12:33:17 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <5734163F.6010801@suse.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] X-Received-From: 195.135.220.15 X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Jul 2016 10:33:26 -0000 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 >> > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel >