Date: Tue, 1 Jul 2003 10:38:34 -0700 (PDT) From: Nate Lawson <nate@root.org> To: Scott Long <scottl@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/alpha/alpha busdma_machdep.csrc/sys/alpha/include bus.h src/sys/alpha/isa isa_dma.c src/sys/amd64/amd64 busdma_machdep.c src/sys/amd64/include bus_dma.h src/ Message-ID: <20030701103637.P87367@root.org> In-Reply-To: <20030701155255.12BAB37B405@hub.freebsd.org> References: <20030701155255.12BAB37B405@hub.freebsd.org>
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On Tue, 1 Jul 2003, Scott Long wrote:
> +/*
> + * dflt_lock should never get called. It gets put into the dma tag when
> + * lockfunc == NULL, which is only valid if the maps that are associated
> + * with the tag are meant to never be defered.
> + * XXX Should have a way to identify which driver is responsible here.
> + */
> +static void
> +dflt_lock(void *arg, bus_dma_lock_op_t op)
> +{
> +#ifdef INVARIANTS
> + panic("driver error: busdma dflt_lock called");
> +#else
> + printf("DRIVER_ERROR: busdma dflt_lock called\n");
> +#endif
> +}
> +
backtrace()?
-Nate
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