[dm-devel] [PATCH] Remove the spinlock protecting the pages allocation
Joe Thornber
thornber at redhat.com
Mon May 23 08:59:07 UTC 2011
On Thu, 2011-05-19 at 12:58 -0400, Mikulas Patocka wrote:
> The spinlock is only taken on initialization or from single-threaded
> workqueue.
> Therefore, the spinlock is useless.
The spinlock has memory barrier semantics as well. How are you
guaranteeing the changes from the initialisation thread are visible in
the workqueue thread?
- Joe
More information about the dm-devel
mailing list