diff mbox series

[bpf-next,v3,03/11] selftests: Pass VMLINUX_BTF to runqslower Makefile

Message ID 157918093501.1357254.2594464485570114583.stgit@toke.dk
State New
Headers show
Series None | expand

Commit Message

Toke Høiland-Jørgensen Jan. 16, 2020, 1:22 p.m. UTC 
From: Toke Høiland-Jørgensen <toke@redhat.com>

Add a VMLINUX_BTF variable with the locally-built path when calling the
runqslower Makefile from selftests. This makes sure a simple 'make'
invocation in the selftests dir works even when there is no BTF information
for the running kernel. Because of the previous changes to the runqslower
Makefile, if no locally-built vmlinux file exists, the wildcard search will
fall back to the pre-defined paths (and error out if they don't exist).

Fixes: 3a0d3092a4ed ("selftests/bpf: Build runqslower from selftests")
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
---
 tools/testing/selftests/bpf/Makefile |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 246d09ffb296..30d0e7a813d2 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -127,7 +127,7 @@  $(OUTPUT)/test_stub.o: test_stub.c
 .PHONY: $(OUTPUT)/runqslower
 $(OUTPUT)/runqslower: force
 	$(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower	      \
-		    OUTPUT=$(CURDIR)/tools/
+		    OUTPUT=$(CURDIR)/tools/ VMLINUX_BTF=$(abspath ../../../../vmlinux)
 
 BPFOBJ := $(OUTPUT)/libbpf.a