On Tue, May 21, 2019 at 5:21 PM Daniel Borkmann <daniel@xxxxxxxxxxxxx> wrote: > > On 05/20/2019 10:38 PM, Jakub Kicinski wrote: > > On Mon, 20 May 2019 19:46:27 +0200, Matteo Croce wrote: > >> On Sat, May 18, 2019 at 2:46 AM Matteo Croce <mcroce@xxxxxxxxxx> wrote: > >>> > >>> Fix the following error by removing a duplicate struct definition: > >> > >> Hi all, > >> > >> I forget to send a cover letter for this series, but basically what I > >> wanted to say is that while patches 1-3 are very straightforward, > >> patches 4-5 are a bit rough and I accept suggstions to make a cleaner > >> work. > > > > samples depend on headers being locally installed: > > > > make headers_install > > > > Are you intending to change that? > > +1, Matteo, could you elaborate? > > On latest bpf tree, everything compiles just fine: > > [root@linux bpf]# make headers_install > [root@linux bpf]# make -C samples/bpf/ > make: Entering directory '/home/darkstar/trees/bpf/samples/bpf' > make -C ../../ /home/darkstar/trees/bpf/samples/bpf/ BPF_SAMPLES_PATH=/home/darkstar/trees/bpf/samples/bpf > make[1]: Entering directory '/home/darkstar/trees/bpf' > CALL scripts/checksyscalls.sh > CALL scripts/atomic/check-atomics.sh > DESCEND objtool > make -C /home/darkstar/trees/bpf/samples/bpf/../../tools/lib/bpf/ RM='rm -rf' LDFLAGS= srctree=/home/darkstar/trees/bpf/samples/bpf/../../ O= > HOSTCC /home/darkstar/trees/bpf/samples/bpf/test_lru_dist > HOSTCC /home/darkstar/trees/bpf/samples/bpf/sock_example > Hi all, I have kernel-headers installed from master, but yet the samples fail to build: matteo@turbo:~/src/linux/samples/bpf$ rpm -q kernel-headers kernel-headers-5.2.0_rc1-38.x86_64 matteo@turbo:~/src/linux/samples/bpf$ git describe HEAD v5.2-rc1-97-g5bdd9ad875b6 matteo@turbo:~/src/linux/samples/bpf$ make make -C ../../ /home/matteo/src/linux/samples/bpf/ BPF_SAMPLES_PATH=/home/matteo/src/linux/samples/bpf make[1]: Entering directory '/home/matteo/src/linux' CALL scripts/checksyscalls.sh CALL scripts/atomic/check-atomics.sh DESCEND objtool make -C /home/matteo/src/linux/samples/bpf/../../tools/lib/bpf/ RM='rm -rf' LDFLAGS= srctree=/home/matteo/src/linux/samples/bpf/../../ O= HOSTCC /home/matteo/src/linux/samples/bpf/test_lru_dist /home/matteo/src/linux/samples/bpf/test_lru_dist.c:39:8: error: redefinition of ‘struct list_head’ 39 | struct list_head { | ^~~~~~~~~ In file included from /home/matteo/src/linux/samples/bpf/test_lru_dist.c:9: ./tools/include/linux/types.h:69:8: note: originally defined here 69 | struct list_head { | ^~~~~~~~~ make[2]: *** [scripts/Makefile.host:90: /home/matteo/src/linux/samples/bpf/test_lru_dist] Error 1 make[1]: *** [Makefile:1762: /home/matteo/src/linux/samples/bpf/] Error 2 make[1]: Leaving directory '/home/matteo/src/linux' make: *** [Makefile:231: all] Error 2 Am I missing something obvious? Regards, -- Matteo Croce per aspera ad upstream