From patchwork Tue Dec 14 13:55:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pu Lehui X-Patchwork-Id: 12676039 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B18CBC433EF for ; Tue, 14 Dec 2021 13:54:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232397AbhLNNy4 (ORCPT ); Tue, 14 Dec 2021 08:54:56 -0500 Received: from szxga01-in.huawei.com ([45.249.212.187]:15732 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230038AbhLNNyz (ORCPT ); Tue, 14 Dec 2021 08:54:55 -0500 Received: from dggpemm500021.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4JD0DB42qtzZdQ0; Tue, 14 Dec 2021 21:51:54 +0800 (CST) Received: from dggpemm500019.china.huawei.com (7.185.36.180) by dggpemm500021.china.huawei.com (7.185.36.109) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Tue, 14 Dec 2021 21:54:53 +0800 Received: from ubuntu1804.huawei.com (10.67.174.98) by dggpemm500019.china.huawei.com (7.185.36.180) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Tue, 14 Dec 2021 21:54:53 +0800 From: Pu Lehui To: , , , , , , , , , , , CC: , , , , Subject: [PATCH bpf-next] selftests/bpf: Fix building error when using userspace pt_regs Date: Tue, 14 Dec 2021 21:55:55 +0800 Message-ID: <20211214135555.125348-1-pulehui@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.67.174.98] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemm500019.china.huawei.com (7.185.36.180) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org When building bpf selftests on arm64, the following error will occur: progs/loop2.c:20:7: error: incomplete definition of type 'struct user_pt_regs' Some archs, like arm64 and riscv, use userspace pt_regs in bpf_tracing.h, which causes build failure when bpf prog use macro in bpf_tracing.h. So let's use vmlinux.h directly. Signed-off-by: Pu Lehui --- tools/testing/selftests/bpf/progs/loop1.c | 8 ++------ tools/testing/selftests/bpf/progs/loop2.c | 8 ++------ tools/testing/selftests/bpf/progs/loop3.c | 8 ++------ tools/testing/selftests/bpf/progs/loop6.c | 20 ++++++------------- .../selftests/bpf/progs/test_overhead.c | 8 ++------ .../selftests/bpf/progs/test_probe_user.c | 6 +----- 6 files changed, 15 insertions(+), 43 deletions(-) diff --git a/tools/testing/selftests/bpf/progs/loop1.c b/tools/testing/selftests/bpf/progs/loop1.c index 50e66772c046..ea04c035719c 100644 --- a/tools/testing/selftests/bpf/progs/loop1.c +++ b/tools/testing/selftests/bpf/progs/loop1.c @@ -1,11 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2019 Facebook -#include -#include -#include -#include -#include -#include + +#include "vmlinux.h" #include #include diff --git a/tools/testing/selftests/bpf/progs/loop2.c b/tools/testing/selftests/bpf/progs/loop2.c index 947bb7e988c2..edf07b1d310e 100644 --- a/tools/testing/selftests/bpf/progs/loop2.c +++ b/tools/testing/selftests/bpf/progs/loop2.c @@ -1,11 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2019 Facebook -#include -#include -#include -#include -#include -#include + +#include "vmlinux.h" #include #include diff --git a/tools/testing/selftests/bpf/progs/loop3.c b/tools/testing/selftests/bpf/progs/loop3.c index 76e93b31c14b..c8d2f2c55547 100644 --- a/tools/testing/selftests/bpf/progs/loop3.c +++ b/tools/testing/selftests/bpf/progs/loop3.c @@ -1,11 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2019 Facebook -#include -#include -#include -#include -#include -#include + +#include "vmlinux.h" #include #include diff --git a/tools/testing/selftests/bpf/progs/loop6.c b/tools/testing/selftests/bpf/progs/loop6.c index 38de0331e6b4..17ac4da5664d 100644 --- a/tools/testing/selftests/bpf/progs/loop6.c +++ b/tools/testing/selftests/bpf/progs/loop6.c @@ -1,8 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 -#include -#include -#include +#include "vmlinux.h" #include #include @@ -25,12 +23,6 @@ char _license[] SEC("license") = "GPL"; #define SG_CHAIN 0x01UL #define SG_END 0x02UL -struct scatterlist { - unsigned long page_link; - unsigned int offset; - unsigned int length; -}; - #define sg_is_chain(sg) ((sg)->page_link & SG_CHAIN) #define sg_is_last(sg) ((sg)->page_link & SG_END) #define sg_chain_ptr(sg) \ @@ -61,8 +53,8 @@ static inline struct scatterlist *get_sgp(struct scatterlist **sgs, int i) return sgp; } -int config = 0; -int result = 0; +int g_config = 0; +int g_result = 0; SEC("kprobe/virtqueue_add_sgs") int BPF_KPROBE(trace_virtqueue_add_sgs, void *unused, struct scatterlist **sgs, @@ -72,7 +64,7 @@ int BPF_KPROBE(trace_virtqueue_add_sgs, void *unused, struct scatterlist **sgs, __u64 length1 = 0, length2 = 0; unsigned int i, n, len; - if (config != 0) + if (g_config != 0) return 0; for (i = 0; (i < VIRTIO_MAX_SGS) && (i < out_sgs); i++) { @@ -93,7 +85,7 @@ int BPF_KPROBE(trace_virtqueue_add_sgs, void *unused, struct scatterlist **sgs, } } - config = 1; - result = length2 - length1; + g_config = 1; + g_result = length2 - length1; return 0; } diff --git a/tools/testing/selftests/bpf/progs/test_overhead.c b/tools/testing/selftests/bpf/progs/test_overhead.c index abb7344b531f..df035e6a3143 100644 --- a/tools/testing/selftests/bpf/progs/test_overhead.c +++ b/tools/testing/selftests/bpf/progs/test_overhead.c @@ -1,14 +1,10 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2019 Facebook */ -#include -#include -#include -#include + +#include "vmlinux.h" #include #include -struct task_struct; - SEC("kprobe/__set_task_comm") int BPF_KPROBE(prog1, struct task_struct *tsk, const char *buf, bool exec) { diff --git a/tools/testing/selftests/bpf/progs/test_probe_user.c b/tools/testing/selftests/bpf/progs/test_probe_user.c index 8812a90da4eb..bf6c0b864ace 100644 --- a/tools/testing/selftests/bpf/progs/test_probe_user.c +++ b/tools/testing/selftests/bpf/progs/test_probe_user.c @@ -1,10 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 -#include -#include - -#include - +#include "vmlinux.h" #include #include