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4 Commits

Author SHA1 Message Date
Al Viro
2e29f50ad5 nios2: fix __get_user() 
a) should not leave crap on fault
b) should _not_ require access_ok() in any cases.

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2016-09-13 17:49:43 -04:00
Al Viro
e33d1f6f72 nios2: copy_from_user() should zero the tail of destination 
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2016-09-13 17:49:43 -04:00
Ley Foon Tan
f1f2eac912 nios2/uaccess: fix sparse errors 
virtio wants to read bitwise types from userspace using get_user.  At the
moment this triggers sparse errors, since the value is passed through an
integer.

Fix that up using __force.

Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-17 13:53:41 +08:00
Ley Foon Tan
5ccc6af5e8 nios2: Memory management 
This patch contains the initialisation of the memory blocks, MMU
attributes and the memory map.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
 2014-12-08 12:55:51 +08:00