Nicolas Pitre wrote:
Has any discussion about this problem lead to some consensus?
Argghhh.. I completely forgot about this.
What do you think of the kmap_atomic_pio() (notoriously bad at names,
but it should get the point across) and kunmap_atomic_pio(), the latter
accepting a read/write flag to note if we wrote to a vm page?
This is basically Tejuns original patch set, just moving it out of the
block layer so it's a generel exported property of the kmap api.
What was the problem with Tejun's patchset already to which RMK (and
many others) agreed?
I do have hardware that exhibits the problem and therefore I wish the
discussion could be resumed.
I'll follow up soon. Sorry.
--
tejun
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