Re: [PATCHSET] block: fix PIO cache coherency bug

[Tejun Heo]

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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