kernel_samsung_sm7125

jenna

Commit Graph

Author	SHA1	Message	Date
Gerald Schaefer	59f35d53fd	[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>	18 years ago

Author

SHA1

Message

Date

Gerald Schaefer

59f35d53fd

[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>

18 years ago

1 Commits (bcddc0155f351ab3f06c6ede6d91fd399ef9e18f)