Date: Fri, 19 Oct 2012 15:32:59 -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: <201210191532.59244.jhb@freebsd.org> In-Reply-To: <508119DE.6020106@freebsd.org> References: <201207301350.q6UDobCI099069@svn.freebsd.org> <201209171113.06861.jhb@freebsd.org> <508119DE.6020106@freebsd.org>
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On Friday, October 19, 2012 5:14:06 am Andre Oppermann 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 need to get some time to test them. www.freebsd.org/~jhb/patches/rmlock.patch is the current set of patches I have. -- John Baldwin
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