Messages in this thread |  | | | Subject | Re: [patch][cft] zero-copy dma cd writing and ripping | | From | "David S. Miller" <> | | Date | 28 Oct 2002 06:40:48 -0800 |
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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.
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