lkml.org 
[lkml]   [2005]   [Aug]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC] [PATCH] cache pollution aware __copy_from_user_ll()
From
Date
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/

\
 
 \ /
  Last update: 2005-08-15 17:05    [W:0.027 / U:8.568 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site