Date: Fri, 19 Oct 2012 10:21:21 +0100 From: Attilio Rao <attilio@freebsd.org> To: Andre Oppermann <andre@freebsd.org> Cc: Davide Italiano <davide@freebsd.org>, mlaier@freebsd.org, svn-src-projects@freebsd.org, John Baldwin <jhb@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: <CAJ-FndAb9naW5RopgH8H=gBGRmu1UdGX85A12fcevGabHoQj6w@mail.gmail.com> In-Reply-To: <508119DE.6020106@freebsd.org> References: <201207301350.q6UDobCI099069@svn.freebsd.org> <CAJ-FndA8Yende_=-hgOMjfUkQVhaSdSjAb0W8xthqN1ThwT=Vg@mail.gmail.com> <5056D078.3020904@freebsd.org> <201209171113.06861.jhb@freebsd.org> <508119DE.6020106@freebsd.org>
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On 10/19/12, Andre Oppermann <andre@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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