Re: [Xen-devel] [PATCH 4 of 6] libxl: support suspend_cancel in domain_resume

[Shriram Rajagopalan <rshriram@xxxxxxxxx>]

2012/2/1 Shriram Rajagopalan <rshriram@xxxxxxxxx>

On 2012-02-01, at 8:02 AM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:

> On Wed, 2012-02-01 at 15:48 +0000, Pasi Kärkkäinen wrote:
>> On Wed, Feb 01, 2012 at 10:53:54AM +0000, Ian Campbell wrote:
>>> On Tue, 2012-01-31 at 17:52 +0000, Shriram Rajagopalan wrote:
>>>> As for guests supporting this fast suspend, almost all guests (pv/hvm
>>>> linux/windows) do support suspend_cancel. IIRC, I think some very old
>>>> kernels didnt have this ability.
>>>

xenstore entry, local/domain/<domid>/image/suspend-cancel - this entry indicates
if the guest supports co-operative suspend or not. 
 But unfortunately, I coundnt find any reference in xend, that "creates" this entry.

 There are references in xen/ and the tools/ folder, that read the SUSPEND_CANCEL entry,
  like readnotes, XendDomainInfo.py, xen/common/libelf/libelf-dominfo.c 
 
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