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authorDaniel Mack <daniel@zonque.org>2016-11-23 16:52:26 +0100
committerDavid S. Miller <davem@davemloft.net>2016-11-25 16:25:52 -0500
commit3007098494bec614fb55dee7bc0410bb7db5ad18 (patch)
treeff07e31da90fd790d2ae4f129d04954b70766057 /kernel/bpf/Makefile
parent0e33661de493db325435d565a4a722120ae4cbf3 (diff)
cgroup: add support for eBPF programs
This patch adds two sets of eBPF program pointers to struct cgroup. One for such that are directly pinned to a cgroup, and one for such that are effective for it. To illustrate the logic behind that, assume the following example cgroup hierarchy. A - B - C \ D - E If only B has a program attached, it will be effective for B, C, D and E. If D then attaches a program itself, that will be effective for both D and E, and the program in B will only affect B and C. Only one program of a given type is effective for a cgroup. Attaching and detaching programs will be done through the bpf(2) syscall. For now, ingress and egress inet socket filtering are the only supported use-cases. Signed-off-by: Daniel Mack <daniel@zonque.org> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/bpf/Makefile')
-rw-r--r--kernel/bpf/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/bpf/Makefile b/kernel/bpf/Makefile
index c4d89d6e2058..1276474ac3cd 100644
--- a/kernel/bpf/Makefile
+++ b/kernel/bpf/Makefile
@@ -5,3 +5,4 @@ obj-$(CONFIG_BPF_SYSCALL) += hashtab.o arraymap.o percpu_freelist.o bpf_lru_list
ifeq ($(CONFIG_PERF_EVENTS),y)
obj-$(CONFIG_BPF_SYSCALL) += stackmap.o
endif
+obj-$(CONFIG_CGROUP_BPF) += cgroup.o