Re: PCI DMA into USER space

From: Russell King (rmk@arm.linux.org.uk)
Date: Wed Jun 14 2000 - 14:54:04 EST


Richard B. Johnson writes:
> This is bs semaitics. There is no way a READ can be posted. As I took
> the time to carefully explain about WRITE posting. Further, of course
> configuration transactions are not posted. Configuration and posting
> are not even related. Configuration writes to the controller. The
> high-bit being set tells the controller this is a configuration
> "instruction". Such instructions are not "transactions".

Well, obviously you are a greater authority on PCI than the public
specifications produced by the PCI special interest group.

My comment was word-unaltered extract from the official PCI 2.1
specification. If it's not what you understand, then you are WRONG.
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