Re: [patch][cft] zero-copy dma cd writing and ripping

[David S. Miller]

On Mon, 2002-10-28 at 04:42, Jens Axboe wrote:
> > This work reminds me that get_user_pages() (or it's callers)
> > need to be doing some flush_dcache_page()
> 
> Was wondering about that. Can you tell me what it needs? And what about
> bio_unmap_user(), surely that needs to flush cache as well for reads?

Documentation/cachetlb.txt describes where flush_dcache_page is needed.
If that doesn't describe it enough for you, that is a bug and please
tell me what part is confusing so I may make the document better.