From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joe Thornber <thornber@redhat.com>
Subject: Re: [PATCH] Remove the spinlock protecting the pages
 allocation
Date: Thu, 26 May 2011 13:52:31 +0100
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To: Mikulas Patocka <mpatocka@redhat.com>
Cc: device-mapper development <dm-devel@redhat.com>, "Alasdair G. Kergon" <agk@redhat.com>
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On Thu, 2011-05-26 at 08:50 -0400, Mikulas Patocka wrote:
> There is another spinlock, kc->job_lock, that is taken each time
> someone 
> pushes or pops some work for the worker thread.
> 
> Once we take kc->job_lock, we guarantee that any written memory is 
> visible to the other CPUs. 

Good, thanks.