instead of using the one provided by the hardware.
512 - A kernel warning has occurred.
1024 - A module from drivers/staging was loaded.
+2048 - The system is working around a severe firmware bug.
+4096 - An out-of-tree module has been loaded.
0x40000000 - An unsupported kernel module was loaded.
0x80000000 - An kernel module with external support was loaded.