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From: Song Liu <songliubraving@fb.com>
To: <bpf@vger.kernel.org>, <netdev@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Cc: <ast@kernel.org>, <daniel@iogearbox.net>, <kernel-team@fb.com>,
	<peterz@infradead.org>, Song Liu <songliubraving@fb.com>,
	Andrii Nakryiko <andrii@kernel.org>
Subject: [PATCH v6 bpf-next 5/6] bpf: runqslower: prefer using local vmlimux to generate vmlinux.h
Date: Thu, 25 Feb 2021 15:43:18 -0800	[thread overview]
Message-ID: <20210225234319.336131-6-songliubraving@fb.com> (raw)
In-Reply-To: <20210225234319.336131-1-songliubraving@fb.com>

Update the Makefile to prefer using $(O)/vmlinux, $(KBUILD_OUTPUT)/vmlinux
(for selftests) or ../../../vmlinux. These two files should have latest
definitions for vmlinux.h.

Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Song Liu <songliubraving@fb.com>
---
 tools/bpf/runqslower/Makefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile
index 9d9fb6209be1b..c96ba90c6f018 100644
--- a/tools/bpf/runqslower/Makefile
+++ b/tools/bpf/runqslower/Makefile
@@ -16,7 +16,10 @@ CFLAGS := -g -Wall
 
 # Try to detect best kernel BTF source
 KERNEL_REL := $(shell uname -r)
-VMLINUX_BTF_PATHS := /sys/kernel/btf/vmlinux /boot/vmlinux-$(KERNEL_REL)
+VMLINUX_BTF_PATHS := $(if $(O),$(O)/vmlinux)		\
+	$(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
+	../../../vmlinux /sys/kernel/btf/vmlinux	\
+	/boot/vmlinux-$(KERNEL_REL)
 VMLINUX_BTF_PATH := $(or $(VMLINUX_BTF),$(firstword			       \
 					  $(wildcard $(VMLINUX_BTF_PATHS))))
 
-- 
2.24.1


  parent reply	other threads:[~2021-02-25 23:45 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-25 23:43 [PATCH v6 bpf-next 0/6] bpf: enable task local storage for tracing programs Song Liu
2021-02-25 23:43 ` [PATCH v6 bpf-next 1/6] " Song Liu
2021-02-25 23:43 ` [PATCH v6 bpf-next 2/6] bpf: prevent deadlock from recursive bpf_task_storage_[get|delete] Song Liu
2021-02-26  0:01   ` Martin KaFai Lau
2021-02-25 23:43 ` [PATCH v6 bpf-next 3/6] selftests/bpf: add non-BPF_LSM test for task local storage Song Liu
2021-02-25 23:43 ` [PATCH v6 bpf-next 4/6] selftests/bpf: test deadlock from recursive bpf_task_storage_[get|delete] Song Liu
2021-02-25 23:43 ` Song Liu [this message]
2021-02-25 23:43 ` [PATCH v6 bpf-next 6/6] bpf: runqslower: use task local storage Song Liu
2021-02-26  0:03 ` [PATCH v6 bpf-next 0/6] bpf: enable task local storage for tracing programs Martin KaFai Lau
2021-02-26 20:03   ` Alexei Starovoitov

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