...@kvack.org
Subject: Re: [PATCH 2/2] Drivers: hv: balloon: Fix the deadlock issue in the
memory hot-add code
On Thu 11-12-14 00:21:09, KY Srinivasan wrote:
-Original Message-
From: Michal Hocko [mailto:mho...@suse.cz]
Sent: Tuesday, December 9, 2014 2:56 AM
To: Yasuaki
...@linuxdriverproject.org; o...@aepfle.de;
a...@canonical.com; linux...@kvack.org
Subject: Re: [PATCH 2/2] Drivers: hv: balloon: Fix the deadlock issue in the
memory hot-add code
On Tue 09-12-14 19:25:50, Yasuaki Ishimatsu wrote:
(2014/12/09 18:08), Michal Hocko wrote:
[...]
Doesn't udev retry
...@kvack.org
Subject: Re: [PATCH 2/2] Drivers: hv: balloon: Fix the deadlock issue in the
memory hot-add code
On Tue 09-12-14 19:25:50, Yasuaki Ishimatsu wrote:
(2014/12/09 18:08), Michal Hocko wrote:
[...]
Doesn't udev retry the operation if it gets EBUSY or EAGAIN?
It depend
On Tue 09-12-14 10:23:51, Yasuaki Ishimatsu wrote:
(2014/12/09 0:04), Michal Hocko wrote:
On Fri 05-12-14 16:41:38, K. Y. Srinivasan wrote:
Andy Whitcroft a...@canonical.com initially saw this deadlock. We
have seen this as well. Here is the original description of the
problem (and a
(2014/12/09 18:08), Michal Hocko wrote:
On Tue 09-12-14 10:23:51, Yasuaki Ishimatsu wrote:
(2014/12/09 0:04), Michal Hocko wrote:
On Fri 05-12-14 16:41:38, K. Y. Srinivasan wrote:
Andy Whitcroft a...@canonical.com initially saw this deadlock. We
have seen this as well. Here is the original
On Tue 09-12-14 19:25:50, Yasuaki Ishimatsu wrote:
(2014/12/09 18:08), Michal Hocko wrote:
[...]
Doesn't udev retry the operation if it gets EBUSY or EAGAIN?
It depend on implementation of udev.rules. So we can retry online/offline
operation in udev.rules.
[...]
# Memory hotadd request
On Fri 05-12-14 16:41:38, K. Y. Srinivasan wrote:
Andy Whitcroft a...@canonical.com initially saw this deadlock. We
have seen this as well. Here is the original description of the
problem (and a potential solution) from Andy:
https://lkml.org/lkml/2014/3/14/451
Here is an excerpt from
(2014/12/09 0:04), Michal Hocko wrote:
On Fri 05-12-14 16:41:38, K. Y. Srinivasan wrote:
Andy Whitcroft a...@canonical.com initially saw this deadlock. We
have seen this as well. Here is the original description of the
problem (and a potential solution) from Andy: