svn commit: r238907 - projects/calloutng/sys/kern
Attilio Rao
attilio at freebsd.org
Fri Oct 19 09:21:25 UTC 2012
On 10/19/12, Andre Oppermann <andre at freebsd.org> wrote:
> On 17.09.2012 17:13, John Baldwin wrote:
>> On Monday, September 17, 2012 3:25:44 am Andre Oppermann wrote:
>>> Hello Attilio,
>>>
>>> could you integrate and test this patch from Isilon as well:
>>>
>>> Add INVARIANT and WITNESS support to rm_lock locks and optimize the
>>> synchronization path by replacing a LIST of active readers with a
>>> TAILQ.
>>>
>>> Obtained from: Isilon
>>> Submitted by: mlaier
>>>
>>> http://svn.freebsd.org/changeset/base/234648
>>>
>>> You're far deeper into locking than I am.
>>
>> Some of this is already in the tree, and their WITNESS changes don't
>> quite
>> work correctly. I have several fixes (including some of these already)
>> that I
>> am just waiting to develop a good test for. Having an _rm_assert() to
>> pull
>> from will be good though.
>
> Any news/progress on this?
I left the ball to John, but I can intervein if needed.
Attilio
--
Peace can only be achieved by understanding - A. Einstein
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