Date: Mon, 17 Sep 2012 11:13:06 -0400 From: John Baldwin <jhb@freebsd.org> To: Andre Oppermann <andre@freebsd.org> Cc: Davide Italiano <davide@freebsd.org>, mlaier@freebsd.org, svn-src-projects@freebsd.org, attilio@freebsd.org, Konstantin Belousov <kostikbel@gmail.com>, src-committers@freebsd.org, Stephan Uphoff <ups@freebsd.org> Subject: Re: svn commit: r238907 - projects/calloutng/sys/kern Message-ID: <201209171113.06861.jhb@freebsd.org> In-Reply-To: <5056D078.3020904@freebsd.org> References: <201207301350.q6UDobCI099069@svn.freebsd.org> <CAJ-FndA8Yende_=-hgOMjfUkQVhaSdSjAb0W8xthqN1ThwT=Vg@mail.gmail.com> <5056D078.3020904@freebsd.org>
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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. -- John Baldwin
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