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Message-ID: <088401c329de$e82f7a50$52557f42@errno.com>
From: "Sam Leffler" <sam@errno.com>
To: "Nate Lawson" <nate@root.org>
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Date: Tue, 3 Jun 2003 07:46:23 -0700
Organization: Errno Consulting
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cc: cvs-src@FreeBSD.org
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Subject: Re: cvs commit: src/sys/dev/ubsec ubsec.c ubsecvar.h
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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