| commit | 59f35d53fde3987d071ea1c9bf1c9ba29fcb69fe | [log] [tgz] |
|---|---|---|
| author | Gerald Schaefer <geraldsc@de.ibm.com> | Mon Dec 04 15:40:45 2006 +0100 |
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | Mon Dec 04 15:40:45 2006 +0100 |
| tree | 50853c1bf3ad3af080707fb2e6b3722d3d86db9e | |
| parent | d57de5a36791cb1b7285649c62f183b0d3505f7d [diff] |
[S390] Add dynamic size check for usercopy functions. Use a wrapper for copy_to/from_user to chose the best usercopy method. The mvcos instruction is better for sizes greater than 256 bytes, if mvcos is not available a page table walk is better for sizes greater than 1024 bytes. Also removed the redundant copy_to/from_user_std_small functions. Signed-off-by: Gerald Schaefer <geraldsc@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>