Re: [PATCH for 4.6 v3 0/5] Migration v2 fix

[Andrew Cooper <andrew.cooper3@citrix.com>]

On 07/09/15 11:07, Wei Liu wrote:
> On Mon, Sep 07, 2015 at 11:04:25AM +0100, Andrew Cooper wrote:
>> On 06/09/15 21:05, Wei Liu wrote:
>>> Wei Liu (5):
>>>    libxc: clearer migration v2 debug message
>>>    libxc: migration v2 prefix Memory -> Frames
>>>    libxc: fix indentation
>>>    libxc: don't populate same pfn more than once in populate_pfns
>>>    libxc: add assertion to avoid setting same bit more than once
>>>
>>>   tools/libxc/xc_sr_restore.c        |  7 ++++---
>>>   tools/libxc/xc_sr_restore_x86_pv.c |  4 ++--
>>>   tools/libxc/xc_sr_save.c           | 10 +++++-----
>>>   3 files changed, 11 insertions(+), 10 deletions(-)
>>>
>> Please test against Xen 4.5 as well.  I have looked at the legacy code, but
>> can't convince myself either way as to whether the bug is present or not.
>>
> DYM cross version migration from 4.5 to 4.6 or 32bit Linux 4.1 save /
> restore with Xen 4.5?

Just plain legacy migration with Linux 4.1, to see whether legacy 
suffers from the same issue.  If it does, we should probably backport a 
legacy fix.

~Andrew