Date: Tue, 3 Jun 2003 07:46:23 -0700 From: "Sam Leffler" <sam@errno.com> To: "Nate Lawson" <nate@root.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/ubsec ubsec.c ubsecvar.h Message-ID: <088401c329de$e82f7a50$52557f42@errno.com> References: <20030602233211.2492D37B4A2@hub.freebsd.org> <20030602234329.T22029@root.org>
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> On Mon, 2 Jun 2003, Sam Leffler wrote:
> > Redo locking for proper SMP operation:
> >
> > o replace driver-global lock with three locks: one for the handling of
mcr1
> > operations, one for handling of mcr2 operations, and one for the
mcr1
> > free list
> > o mark the interrupt handler MPSAFE
> > o don't use locking on detach; disabling interrupts is sufficient (I
think)
>
> Unfortunately it's not if you're on a shared interrupt. You need to
> call bus_teardown_intr() before you are detached from the ithread. See
> the thread near this message:
> Message-ID: <1742240000.1051807110@aslan.btc.adaptec.com>
If you're interested look at the change. I understood the device could be
on a shared irq.
Sam
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