Hello Thomas,
I am building in a slightly non-standard way, because I tried to integrate DPDK
into Buildroot system.
The problem is with kzalloc and kfree which are undefined in the igb_uio
driver. I do not use that
driver, however, it has failed to build. See below:
/usr/bin/make -j5 -C
/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/linux-xilinx-v2015.1
HOSTCC="/usr/bin/gcc" HOSTCFLAGS="" ARCH=arm
INSTALL_MOD_PATH=/home/jviki/Projects/buildroot-dpdk-zedboard/build/target
CROSS_COMPILE="
/home/jviki/Projects/buildroot-dpdk-zedboard/build/host/usr/bin/arm-none-linux-gnueabi-"
DEPMOD=/home/jviki/Projects/buildroot-dpdk-zedboard/build/host/sbin/depmod
LOADADDR="0x8000"
RTE_SDK=/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1
RTE_TARGET=arm-armv7-a-linuxapp-gcc
RTE_SRCDIR=/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1
CROSS=/home/jviki/Projects/buildroot-dpdk-zedboard/build/host/usr/bin/arm-none-linux-gnueabi-
M=/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1/lib/librte_eal/linuxapp/igb_uio
LD
/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1/lib/librte_eal/linuxapp/igb_uio/built-in.o
CC [M]
/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1/lib/librte_eal/linuxapp/igb_uio/igb_uio.o
/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1/lib/librte_eal/linuxapp/igb_uio/igb_uio.c:
In function 'igbuio_pci_probe':
/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1/lib/librte_eal/linuxapp/igb_uio/igb_uio.c:440:2:
error: implicit declaration of function 'kzalloc'
[-Werror=implicit-function-declaration]
udev = kzalloc(sizeof(struct rte_uio_pci_dev), GFP_KERNEL);
^
/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1/lib/librte_eal/linuxapp/igb_uio/igb_uio.c:440:7:
error: assignment makes pointer from integer without a cast [-Werror]
udev = kzalloc(sizeof(struct rte_uio_pci_dev), GFP_KERNEL);
^
/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1/lib/librte_eal/linuxapp/igb_uio/igb_uio.c:557:2:
error: implicit declaration of function 'kfree'
[-Werror=implicit-function-declaration]
kfree(udev);
^
cc1: all warnings being treated as errors
scripts/Makefile.build:263: recipe for target
'/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1/lib/librte_eal/linuxapp/igb_uio/igb_uio.o'
failed
make[3]: ***
[/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1/lib/librte_eal/linuxapp/igb_uio/igb_uio.o]
Error 1
Makefile:1381: recipe for target
'_module_/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1/lib/librte_eal/linuxapp/igb_uio'
failed
make[2]: ***
[_module_/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1/lib/librte_eal/linuxapp/igb_uio]
Error 2
package/pkg-generic.mk:156: recipe for target
'/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1/.stamp_built'
failed
make[1]: ***
[/home/jviki/Projects/buildroot-dpdk-zedboard/build/build/dpdk-2.1.0-rc1/.stamp_built]
Error 2
Makefile:16: recipe for target '_all' failed
make: *** [_all] Error 2
Regards
Jan
On Mon, 27 Jul 2015 00:31:41 +0200
Thomas Monjalon <thomas.monjalon at 6wind.com> wrote:
> 2015-07-24 19:11, Jan Viktorin:
> > The missing header prevents to build with linux v3.18.
>
> Please could you give more details of why build is broken?
> What is the error message?
> I don't remember having seen such issue.
>
> Thanks
--
Jan Viktorin E-mail: Viktorin at RehiveTech.com
System Architect Web: www.RehiveTech.com
RehiveTech
Brno, Czech Republic
