Date: Tue, 09 Jan 2007 10:04:20 -0600 From: "Christian S.J. Peron" <csjp@FreeBSD.ORG> To: Tai-hwa Liang <avatar@mmlab.cse.yzu.edu.tw> Cc: freebsd-pf@freebsd.org Subject: Re: debug.mpsafenet=1 vs. user/group rules [Re: kern/106805: ...] Message-ID: <45A3BD04.4010905@FreeBSD.ORG> In-Reply-To: <0701092218228.1404@www.mmlab.cse.yzu.edu.tw> References: <200612161335.kBGDZkMj012022@freefall.freebsd.org> <200612161709.48875.max@love2party.net> <45953727.7020405@FreeBSD.ORG> <0701092218228.1404@www.mmlab.cse.yzu.edu.tw>
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Tai-hwa Liang wrote: > On Fri, 29 Dec 2006, Christian S.J. Peron wrote: >> Max, >> >> I have replied to this mail and I guess it has been lost, as I have >> had no response. Although this technically makes >> the problem harmless, all you are doing is moving the lock order >> reversal from pf+inpcb to pfil+inpcb. The > > I probably missed something; however, with Max's patch applied, I > did not see any pf related LOR on a WITNESS + INVARIANT enabled > -STABLE box during > last two weeks [..] You won't see it on -STABLE because it doesn't exist. We switched from a home rolled reader/writer type lock (with no WITNESS semantics), to a standard read/write locking API in -CURRENT.
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