Date: Tue, 12 Sep 2000 09:02:44 -0700 (PDT) From: Bruce Evans <bde@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/i386/isa ithread.c Message-ID: <200009121602.JAA03025@freefall.freebsd.org>
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bde 2000/09/12 09:02:44 PDT
Modified files:
sys/i386/isa ithread.c
Log:
Don't panic for delivery of a multiplexed SWI. Most SWI handlers
don't take an arg, but swi_generic() is special in order to avoid one
whole conditional branch in the old SWI dispatch code. The new SWI
dispatch code passed it a garbage arg. Bypass swi_generic() and call
swi_dispatcher() directly, like the corresponding alpha code has always
done.
The panic was rare because because it only occurred if more than one
of the {sio,cy,rc} drivers was configured and one was active, and the
cy driver doesn't even compile.
Revision Changes Path
1.2 +5 -2 src/sys/i386/isa/ithread.c
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