jixi2018
commented
4 years ago I updated the gcc version to 7.4.0, the previous error was gone, but the following compile error showed:(I listed the first one to minimize the message length)
/home/projects/riffa/driver/linux/riffa_driver.c: In function ‘fill_sg_buf’:
/home/projects/riffa/driver/linux/riffa_driver.c:447:59: error: passing argument 5 of ‘get_user_pages’ from incompatible pointer type [-Werror=incompatible-pointer-types]
num_pages = get_user_pages(udata, num_pages_reqd, 1, 0, pages, NULL);
^~~~~
In file included from ./include/linux/scatterlist.h:8:0,
from ./include/linux/dmapool.h:14,
from ./include/linux/pci.h:1334,
from /home/jinwen/projects/riffa/driver/linux/riffa_driver.c:52:
./include/linux/mm.h:1484:6: note: expected ‘struct vm_area_struct ’ but argument is of type ‘struct page ’
long get_user_pages(unsigned long start, unsigned long nr_pages,
^~~~~~
/home/projects/riffa/driver/linux/riffa_driver.c:447:15: error: too many arguments to function ‘get_user_pages’
num_pages = get_user_pages(udata, num_pages_reqd, 1, 0, pages, NULL);
^~~~~~
In file included from ./include/linux/scatterlist.h:8:0,
from ./include/linux/dmapool.h:14,
from ./include/linux/pci.h:1334,
from /home/projects/riffa/driver/linux/riffa_driver.c:52:
./include/linux/mm.h:1484:6: note: declared here
long get_user_pages(unsigned long start, unsigned long nr_pages,
^~~~~~
marzoul
When I ran "make" under riffa/driver/linux directory, the following errors were generated:
jinwen@xbx-jixi-09:~/projects/riffa/driver/linux$ make debug Compiling driver for kernel: 4.18.0-22-generic with the following values NAME: 'riffa' MAJNUM: '100' VENDOR_ID0: '10EE' VENDOR_ID1: '1172'
sed -i 's/#define MAJOR_NUM [^\n]/#define MAJOR_NUM 100/g' riffa_driver.h sed -i 's/#define DEVICE_NAME [^\n]/#define DEVICE_NAME "riffa"/g' riffa_driver.h sed -i 's/#define VENDOR_ID0 [^\n]/#define VENDOR_ID0 0x10EE/g' riffa_driver.h sed -i 's/#define VENDOR_ID1 [^\n]/#define VENDOR_ID1 0x1172/g' riffa_driver.h sed -i 's/#define DEBUG [^\n]/#define DBUG 1/g' riffa_driver.h sed -i 's/#define DBUG [^\n]/#define DEBUG 1/g' riffa_driver.h make -C /lib/modules/
uname -r/build SUBDIRS=pwdmodules make[1]: Entering directory '/usr/src/linux-headers-4.18.0-22-generic' arch/x86/Makefile:155: CONFIG_X86_X32 enabled but no binutils support arch/x86/Makefile:244: You are building kernel with non-retpoline compiler, please update your compiler.. Stop. make[1]: Leaving directory '/usr/src/linux-headers-4.18.0-22-generic' Makefile:94: recipe for target 'riffa.ko' failed make: [riffa.ko] Error 2Could you advise how to fix this?