Date: Mon, 10 Apr 2017 01:08:40 +0200 From: Olivier Houchard <cognet@ci0.org> To: Conrad Meyer <cem@freebsd.org> Cc: src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r316665 - in head/sys: compat/linuxkpi/common/src contrib/ck/include contrib/ck/src Message-ID: <20170409230840.GA90254@ci0.org> In-Reply-To: <CAG6CVpUSyDfBOy9ScGOQs_JGuVLfD6y0E0Rs15Qo-rPhxd7bQg@mail.gmail.com> References: <201704092102.v39L25oh040066@repo.freebsd.org> <CAG6CVpUSyDfBOy9ScGOQs_JGuVLfD6y0E0Rs15Qo-rPhxd7bQg@mail.gmail.com>
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On Sun, Apr 09, 2017 at 03:49:57PM -0700, Conrad Meyer wrote: > On Sun, Apr 9, 2017 at 2:02 PM, Olivier Houchard <cognet@freebsd.org> wrote: > > Author: cognet > > Date: Sun Apr 9 21:02:05 2017 > > New Revision: 316665 > > URL: https://svnweb.freebsd.org/changeset/base/316665 > > > > Log: > > Import CK as of commit 6b141c0bdd21ce8b3e14147af8f87f22b20ecf32 > > This brings us changes we needed in ck_epoch. > > Out of curiosity ??? what changes did we need, and why? > Hi Conrad, What ck_epoch lacked was any way to do priority propagation, which led to some nice deadlocks to the linuxkpi folks. Regards, Olivierhelp
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