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Date:      Wed, 11 Jun 2003 23:56:22 -0600 (MDT)
From:      "M. Warner Losh" <imp@bsdimp.com>
To:        nate@root.org
Cc:        cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/dev/pccbb pccbb.c pccbbvar.h
Message-ID:  <20030611.235622.75446360.imp@bsdimp.com>
In-Reply-To: <20030611225111.E42109@root.org>
References:  <20030612033735.0B7D337B495@hub.freebsd.org> <20030611225111.E42109@root.org>

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In message: <20030611225111.E42109@root.org>
            Nate Lawson <nate@root.org> writes:
: On Wed, 11 Jun 2003, Warner Losh wrote:
: >   Modified files:
: >     sys/dev/pccbb        pccbb.c pccbbvar.h
: >   Log:
: >   Make cbb interrupts MPSAFE:
: 
: We need to have you at bsdcon 24/7.  ;-)
: 
: > --- src/sys/dev/pccbb/pccbb.c:1.75	Sat Jun  7 13:47:35 2003
: > +++ src/sys/dev/pccbb/pccbb.c	Wed Jun 11 20:37:28 2003
: > @@ -1080,7 +1087,11 @@
: >  	}
: >  	if (sc->flags & CBB_CARD_OK) {
: >  		STAILQ_FOREACH(ih, &sc->intr_handlers, entries) {
: > +			if ((ih->flags & INTR_MPSAFE) != 0)
: > +				mtx_lock(&Giant);
: >  			(*ih->intr)(ih->arg);
: > +			if ((ih->flags & INTR_MPSAFE) != 0)
: > +				mtx_lock(&Giant);
: >  		}
: >  	}
: >  }
: 
: Isn't that second call supposed to be an unlock?

Yes.  I don't know how my system is working at all with that :-(



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