Messages in this thread |  | | Subject | Re: [RFC] [PATCH] cache pollution aware __copy_from_user_ll() | From | Andi Kleen <> | Date | 15 Aug 2005 17:02:27 +0200 |
| |
Arjan van de Ven <arjan@infradead.org> writes:
> On Mon, 2005-08-15 at 08:15 -0400, linux@horizon.com wrote: > > Actually, is there any place *other* than write() to the page cache that > > warrants a non-temporal store? Network sockets with scatter/gather and > > hardware checksum, maybe? > > afaik those use zero copy already, eg straight pagecache copy.
Only if you use sendfile(). And the normal write path uses csum_copy_*
-Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |