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authorAlexei Starovoitov <ast@kernel.org>2018-05-13 12:32:22 -0700
committerThomas Gleixner <tglx@linutronix.de>2018-05-13 21:49:14 +0200
commitb1ae32dbab50ed19cfc16d225b0fb0114fb13025 (patch)
tree57c5c39ada4cb8f287392d5e0630edea43667ccd /samples
parent13ebe18c94f5b0665c01ae7fad2717ae959f4212 (diff)
downloadlinux-b1ae32dbab50ed19cfc16d225b0fb0114fb13025.tar.bz2
x86/cpufeature: Guard asm_volatile_goto usage for BPF compilation
Workaround for the sake of BPF compilation which utilizes kernel headers, but clang does not support ASM GOTO and fails the build. Fixes: d0266046ad54 ("x86: Remove FAST_FEATURE_TESTS") Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: daniel@iogearbox.net Cc: peterz@infradead.org Cc: netdev@vger.kernel.org Cc: bp@alien8.de Cc: yhs@fb.com Cc: kernel-team@fb.com Cc: torvalds@linux-foundation.org Cc: davem@davemloft.net Link: https://lkml.kernel.org/r/20180513193222.1997938-1-ast@kernel.org
Diffstat (limited to 'samples')
-rw-r--r--samples/bpf/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 4d6a6edd4bf6..092947676143 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -255,7 +255,7 @@ $(obj)/tracex5_kern.o: $(obj)/syscall_nrs.h
$(obj)/%.o: $(src)/%.c
$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) -I$(obj) \
-I$(srctree)/tools/testing/selftests/bpf/ \
- -D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \
+ -D__KERNEL__ -D__BPF_TRACING__ -Wno-unused-value -Wno-pointer-sign \
-D__TARGET_ARCH_$(ARCH) -Wno-compare-distinct-pointer-types \
-Wno-gnu-variable-sized-type-not-at-end \
-Wno-address-of-packed-member -Wno-tautological-compare \