Re: [PATCH 1/5] uio: remove copy_from_iter_flushcache() and copy_mc_to_iter()

Christoph Hellwig
2021-12-13T08:27:32Z

On Sun, Dec 12, 2021 at 06:22:20AM -0800, Dan Williams wrote:
> > - * Use the 'no check' versions of copy_from_iter_flushcache() and
> > - * copy_mc_to_iter() to bypass HARDENED_USERCOPY overhead. Bounds
> > + * Use the 'no check' versions of _copy_from_iter_flushcache() and
> > + * _copy_mc_to_iter() to bypass HARDENED_USERCOPY overhead. Bounds
> > * checking, both file offset and device offset, is handled by
> > * dax_iomap_actor()
> > */
>
> This comment change does not make sense since it is saying why pmem is
> using the "_" versions. However, I assume this whole comment goes away
> in a later patch.

It does not go away in this series.