Date: Wed, 4 Aug 2010 14:50:55 +0200 From: Attilio Rao <attilio@freebsd.org> To: Robert Watson <rwatson@freebsd.org> Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org, alfred@freebsd.org Subject: Re: cvs commit: src/sys/kern kern_rwlock.c Message-ID: <AANLkTikpdCBOR3YonnEm0aWfpYuZFjd-k4e9jD%2BZ-HTy@mail.gmail.com> In-Reply-To: <alpine.BSF.2.00.1008032350550.25854@fledge.watson.org> References: <200711142121.lAELLmo4018474@repoman.freebsd.org> <alpine.BSF.2.00.1008032350550.25854@fledge.watson.org>
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2010/8/4 Robert Watson <rwatson@freebsd.org>: > On Wed, 14 Nov 2007, Attilio Rao wrote: > >> attilio 2007-11-14 21:21:48 UTC >> >> FreeBSD src repository >> >> Modified files: >> sys/kern kern_rwlock.c >> Log: >> Remove a bogus KASSERT which will prevent rwlock to be acquired >> recursively in exclusive mode with debugging kernels. >> >> Submitted by: kmacy >> Approved by: jeff >> >> Revision Changes Path >> 1.30 +0 -3 src/sys/kern/kern_rwlock.c > > Hi Attilio-- > > This bug seems also to affect the 6.x backport of rwlocks that Alfred did. > Might either you or Alfred consider doing an MFC of this change? Without > it, recursive write locks on rwlocks are broken with INVARIANTS enabled. Thanks for signaling this, I'll take care. Attilio -- Peace can only be achieved by understanding - A. Einstein
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