Re: Multiple PCI busses (WAS:Re: performance downgrade on PowerPC)

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Wed Jun 21 2000 - 12:57:16 EST


> Let me give an example. What is to say that the XFree code knows what
> restrictions exist to where PCI MEM space allocations can actually
> take place? For example, on sparc64 PCI controllers, there is a

This occurs as a kernel side problem too. The video capture layer needs
to know what can and cannot DMA to what other objects and what space/bus
they are on

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