On Mon, 2003-01-13 at 22:40, Richard B. Johnson wrote:
> There is a well-defined procedure for this. Any "read" anywhere
> in the PCI address space, will force all posted writes to complete.
> However, the "read" will not be the data one would obtain after
> the write completes.
Just to avoid confusion, the above is obviously wrong, the read will
indeed force pending store queues to complete _in order_, the read will
reach the device after the stores are complete and you'll read the value
you would get after the write normally. At least on PCI ;)
Ben.
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This archive was generated by hypermail 2b29 : Wed Jan 15 2003 - 22:00:47 EST