Bongani Hlope schrieb:
On Monday 31 March 2008 11:04:13 Bernd Büttner wrote:
Hi,
I'm using distribution 20070130 on platform m68knommu.
In my device driver that is loaded during startup, not compiled in, I must
use sys_open, sys_close, sys_read, sys_write and sys_ioctl.
sys_write and sys_ioctl are not exported.
Is it ok to add following lines to m68k_ksyms.c:
#include <linux/syscalls.h>
EXPORT_SYMBOL(sys_write);
EXPORT_SYMBOL(sys_ioctl);
or is there a better way to access these functions from kernel-mode
drivers?
Those are system calls, they don't need EXPORT_SYMBOL. There are some kernel
module that uses those, but since we don't know what error you are getting it
is hard to give a good answer.
The driver is linked as module and the linker shows a warning:
WARNING: "sys_write" [drivers/mkc/mkcext_4108.ko] undefined!
exporting sys_write as described above eliminates the warning.
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