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Re: [Xen-devel] [PATCH v8 0/3] libxl: save/restore qemu physmap
I ll wait until this series gets in before respinning my patch series (if need be). :) shriram
On Fri, Apr 13, 2012 at 4:40 AM, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx> wrote:
Hi all,
this patch series introduces a new xc_save_id called
XC_SAVE_ID_TOOLSTACK to save/restore toolstack specific information.
Libxl is going to use the new save_id to save and restore qemu's
physmap.
The QEMU side of this patch series has been accepted, so it is now safe
to commit it to xen-unstable.
Changes in v8:
- return an error on restore if toolstack data is available but no
toolstack callback has been provided.
Changes in v7:
- log error messages on error paths;
- make the toolstack save/restore functions more readable.
Changes in v6:
- rebased on "kexec: Fix printing of paddr_t in 32bit mode.";
- use the command "xen-save-devices-state" to save the QEMU devices
state.
Changes in v5:
- rebased on "arm: lr register in hyp mode is really LR_usr.".
Changes in v4:
- addressed Shriram's comments about the first patch: saving/restoring
toolstack extra information should work we Remus too now;
- added a new patch to use QMP "save_devices" command rather than
"migrate" to save QEMU's device state.
Changes in v3:
- rebased the series;
- xc_domain_restore: read the toolstack data in pagebuf_get_one, call
the callback at finish_hvm;
Changes in v2:
- xc_domain_save frees the buffer allocated by the callback;
- introduce a version number in the libxl save record;
- define libxl__physmap_info and use it to read/store information to the
buffer.
Stefano Stabellini (3):
libxc: introduce XC_SAVE_ID_TOOLSTACK
libxl: save/restore qemu's physmap
libxl_qmp: remove libxl__qmp_migrate, introduce libxl__qmp_save
tools/libxc/xc_domain_restore.c | 53 ++++++++++++-
tools/libxc/xc_domain_save.c | 17 ++++
tools/libxc/xenguest.h | 23 +++++-
tools/libxc/xg_save_restore.h | 1 +
tools/libxl/libxl_dom.c | 174 ++++++++++++++++++++++++++++++++++++---
tools/libxl/libxl_internal.h | 2 +-
tools/libxl/libxl_qmp.c | 82 +------------------
tools/xcutils/xc_restore.c | 2 +-
8 files changed, 260 insertions(+), 94 deletions(-)
Cheers,
Stefano
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