Date: Fri, 9 Aug 2013 11:44:01 -0400 From: John Baldwin <jhb@freebsd.org> To: Attilio Rao <attilio@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r254139 - in head: share/man/man9 sys/kern Message-ID: <201308091144.01551.jhb@freebsd.org> In-Reply-To: <201308091124.r79BOT7w099814@svn.freebsd.org> References: <201308091124.r79BOT7w099814@svn.freebsd.org>
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On Friday, August 09, 2013 7:24:29 am Attilio Rao wrote: > Author: attilio > Date: Fri Aug 9 11:24:29 2013 > New Revision: 254139 > URL: http://svnweb.freebsd.org/changeset/base/254139 > > Log: > Give mutex(9) the ability to recurse on a per-instance basis. > Now the MTX_RECURSE flag can be passed to the mtx_*_flag() calls. > This helps in cases we want to narrow down to specific calls the > possibility to recurse for some locks. It would perhaps be better for the ops passed to WITNESS to be opt-in rather than opt-out, so that you use 'opts & LOP_QUIET | foo' rather than 'opts & ~MTX_RECURSE | foo'. -- John Baldwin
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