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-rw-r--r--net/bpfilter/Kconfig6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/bpfilter/Kconfig b/net/bpfilter/Kconfig
index fed9290e3b41..84015ef3ee27 100644
--- a/net/bpfilter/Kconfig
+++ b/net/bpfilter/Kconfig
@@ -9,8 +9,12 @@ menuconfig BPFILTER
if BPFILTER
config BPFILTER_UMH
tristate "bpfilter kernel module with user mode helper"
- depends on CC_CAN_LINK
+ depends on CC_CAN_LINK_STATIC
default m
help
This builds bpfilter kernel module with embedded user mode helper
+
+ Note: your toolchain must support building static binaries, since
+ rootfs isn't mounted at the time when __init functions are called
+ and do_execv won't be able to find the elf interpreter.
endif