Thanks Jason,
Could you explain what other things should be considered for FLUSH if
invalidate and write-back is not enough? Or is it fine modifying the CPU
sequencer that it just ignores the FLUSH request?
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Hi Daecheol,
The complication comes from handling all of the corner cases. What happens
if you get a flush for a line when you've sent a request but haven't
received a response? What about when you've received an invalidation, but
you haven't responded yet? There are many intermediate states that
Hi Daecheol,
Unfortunately, the flush command is a bit more complicated to implement
than just a simple replacement. I responded to another message about this
on the mailing list a few minutes ago that you can see for more information.
Cheers,
Jason
On Mon, Sep 28, 2020 at 8:59 PM Daecheol You v
