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: http://www.arcetri.astro.it/irlab/library/linux/khg/HyperNews/get/devices/reference/9/1.html
Дата изменения: Thu Mar 23 12:37:30 2000 Дата индексирования: Wed Sep 15 04:20:14 2010 Кодировка: |
In older versions of the Linux kernel, the i386 FS segment register pointed to user space. So, memcpy_tofs meant to user space, and memcpy_fromfs meant from user space. On other platforms, these did the right thing despite the non-existence of an FS register. These calls are deprecated in current kernels, however, and new code should use copy_from_user() and copy_to_user(). |