For linux1394-devel: David Brownell wrote at LKML: > On at least ARM (and I'm told MIPS too) dma_free_coherent() has a newish > call context requirement: unlike its dma_alloc_coherent() sibling, it > may not be called with IRQs disabled. (This was new behavior on ARM as > of late 2006, caused by ARM SMP updates.) This little surprise can be > annoyingly driver-visible. > > Since it looks like that restriction won't be removed, this patch changes > the definition of the API to include that requirement. Also, to help > catch nonportable drivers, it updates the x86 and swiotlb versions to > include the relevant warnings. (I already observed that it trips on the > bus_reset_tasklet of the new firewire_ohci driver.)
Also in ohci_set_config_rom(). -- Stefan Richter -=====-=-=== -=== ==--= http://arcgraph.de/sr/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
