From patchwork Thu Sep 5 08:13:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pu Lehui X-Patchwork-Id: 13791923 X-Patchwork-Delegate: bpf@iogearbox.net Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7C172198A2A; Thu, 5 Sep 2024 08:11:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725523883; cv=none; b=M897cW6tETssvsS+0ukP2/6koQukDkinn8r18Dr0V2n1jXeVIAqyPmuH8928tx1b0jVw1YNbJvX8/D7GLAVs1d/HYU2VrXU8ko+yqjjxnIuKd5L+sYNa7Y/wUlqla2gN+6HxvKmBSkaNuJIf1ro2OE1p3qxoBlwYxrFuPgZvXAI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725523883; c=relaxed/simple; bh=1f2OmTCaCNMXcN7o8Ou68Z6+cXUNdpu7aj1uCcspoGM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=VExnjg451U33ZOwe8rBarE0UhoIv/7RNI61OEYxronwcyCOZXqL2rlcYdfpQHchKLSfAC3vsKbXZ1FIk1GJ9gbj3q8ba9GUSKN9/nGUlRcLFsmIInVjllklnJZccQrm9wfemJlggCose6LOt/Zhck9NGG7sHZQDrrTLE37N1OEg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.93.142]) by dggsgout12.his.huawei.com (SkyGuard) with ESMTP id 4WzsWC31QRz4f3jHc; Thu, 5 Sep 2024 16:11:03 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.112]) by mail.maildlp.com (Postfix) with ESMTP id 777931A018D; Thu, 5 Sep 2024 16:11:18 +0800 (CST) Received: from ultra.huawei.com (unknown [10.90.53.71]) by APP1 (Coremail) with SMTP id cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S3; Thu, 05 Sep 2024 16:11:15 +0800 (CST) From: Pu Lehui To: bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Puranjay Mohan , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Palmer Dabbelt , Pu Lehui Subject: [PATCH bpf-next v3 01/10] selftests/bpf: Adapt OUTPUT appending logic to lower versions of Make Date: Thu, 5 Sep 2024 08:13:52 +0000 Message-Id: <20240905081401.1894789-2-pulehui@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240905081401.1894789-1-pulehui@huaweicloud.com> References: <20240905081401.1894789-1-pulehui@huaweicloud.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S3 X-Coremail-Antispam: 1UD129KBjvJXoW7urWxuFyDtFWkArWDXryrWFg_yoW8GF4fpa nYkw1Ykr9aqrZrt3WkZrWFgr4rKr4kJay8XF1jqryUXr1xJF97Jr4IkFWjqrn3G3yYqrWf Z34xKF9xZ348A37anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPFb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUGw A2048vs2IY020Ec7CjxVAFwI0_Gr0_Xr1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV W8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMc Ij6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_ Jr0_Gr1lF7xvr2IYc2Ij64vIr41lFIxGxcIEc7CjxVA2Y2ka0xkIwI1lc7CjxVAaw2AFwI 0_GFv_Wryl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG 67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6rW5MI IYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E 14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJV W8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxU3cTm DUUUU X-CM-SenderInfo: psxovxtxl6x35dzhxuhorxvhhfrp/ X-Patchwork-Delegate: bpf@iogearbox.net From: Pu Lehui The $(let ...) function is only supported by GNU Make version 4.4 [0] and above, otherwise the following exception file or directory will be generated: tools/testing/selftests/bpfFEATURE-DUMP.selftests tools/testing/selftests/bpffeature/ Considering that the GNU Make version of most Linux distributions is lower than 4.4, let us adapt the corresponding logic to it. Link: https://lists.gnu.org/archive/html/info-gnu/2022-10/msg00008.html [0] Acked-by: Eduard Zingerman Signed-off-by: Pu Lehui --- tools/testing/selftests/bpf/Makefile | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 7660d19b66c2..9905e3739dd0 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -187,8 +187,14 @@ FEATURE_TESTS := llvm FEATURE_DISPLAY := $(FEATURE_TESTS) # Makefile.feature expects OUTPUT to end with a slash +ifeq ($(shell expr $(MAKE_VERSION) \>= 4.4), 1) $(let OUTPUT,$(OUTPUT)/,\ $(eval include ../../../build/Makefile.feature)) +else +OUTPUT := $(OUTPUT)/ +$(eval include ../../../build/Makefile.feature) +OUTPUT := $(patsubst %/,%,$(OUTPUT)) +endif endif ifeq ($(feature-llvm),1) From patchwork Thu Sep 5 08:13:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pu Lehui X-Patchwork-Id: 13791924 X-Patchwork-Delegate: bpf@iogearbox.net Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D76EC199249; 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dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.216]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4WzsWJ1ctSz4f3jkP; Thu, 5 Sep 2024 16:11:08 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.112]) by mail.maildlp.com (Postfix) with ESMTP id 8CAF41A15EB; Thu, 5 Sep 2024 16:11:18 +0800 (CST) Received: from ultra.huawei.com (unknown [10.90.53.71]) by APP1 (Coremail) with SMTP id cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S4; Thu, 05 Sep 2024 16:11:18 +0800 (CST) From: Pu Lehui To: bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Puranjay Mohan , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Palmer Dabbelt , Pu Lehui Subject: [PATCH bpf-next v3 02/10] selftests/bpf: Rename fallback in bpf_dctcp to avoid naming conflict Date: Thu, 5 Sep 2024 08:13:53 +0000 Message-Id: <20240905081401.1894789-3-pulehui@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240905081401.1894789-1-pulehui@huaweicloud.com> References: <20240905081401.1894789-1-pulehui@huaweicloud.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S4 X-Coremail-Antispam: 1UD129KBjvJXoWxCFW8GF1fAF15Zr48ZrW5ZFb_yoW5CF4kpa 4kZ3yYyF1xJFW3Jw17GrWqgFWFkws5XrWYkan7Wr15Ar17XryxWrs7KF4Yga9xWrZ5uwnx Aas2g3s3Ar1kZ37anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPIb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUXw A2048vs2IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV W8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMc Ij6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_ Jr0_Gr1lF7xvr2IYc2Ij64vIr41lFIxGxcIEc7CjxVA2Y2ka0xkIwI1lc7CjxVAaw2AFwI 0_GFv_Wryl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG 67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6rW5MI IYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E 14v26F4j6r4UJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr 0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8Jr0_Cr1UYxBIdaVFxhVjvjDU0xZFpf9x07jI sjbUUUUU= X-CM-SenderInfo: psxovxtxl6x35dzhxuhorxvhhfrp/ X-Patchwork-Delegate: bpf@iogearbox.net From: Pu Lehui Recently, when compiling bpf selftests on RV64, the following compilation failure occurred: progs/bpf_dctcp.c:29:21: error: redefinition of 'fallback' as different kind of symbol 29 | volatile const char fallback[TCP_CA_NAME_MAX]; | ^ /workspace/tools/testing/selftests/bpf/tools/include/vmlinux.h:86812:15: note: previous definition is here 86812 | typedef u32 (*fallback)(u32, const unsigned char *, size_t); The reason is that the `fallback` symbol has been defined in arch/riscv/lib/crc32.c, which will cause symbol conflicts when vmlinux.h is included in bpf_dctcp. Let we rename `fallback` string to `fallback_cc` in bpf_dctcp to fix this compilation failure. Signed-off-by: Pu Lehui --- tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c | 2 +- tools/testing/selftests/bpf/progs/bpf_dctcp.c | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c index 1d494b4453f4..409a06975823 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c @@ -285,7 +285,7 @@ static void test_dctcp_fallback(void) dctcp_skel = bpf_dctcp__open(); if (!ASSERT_OK_PTR(dctcp_skel, "dctcp_skel")) return; - strcpy(dctcp_skel->rodata->fallback, "cubic"); + strcpy(dctcp_skel->rodata->fallback_cc, "cubic"); if (!ASSERT_OK(bpf_dctcp__load(dctcp_skel), "bpf_dctcp__load")) goto done; diff --git a/tools/testing/selftests/bpf/progs/bpf_dctcp.c b/tools/testing/selftests/bpf/progs/bpf_dctcp.c index 02f552e7fd4d..7cd73e75f52a 100644 --- a/tools/testing/selftests/bpf/progs/bpf_dctcp.c +++ b/tools/testing/selftests/bpf/progs/bpf_dctcp.c @@ -26,7 +26,7 @@ static bool before(__u32 seq1, __u32 seq2) char _license[] SEC("license") = "GPL"; -volatile const char fallback[TCP_CA_NAME_MAX]; +volatile const char fallback_cc[TCP_CA_NAME_MAX]; const char bpf_dctcp[] = "bpf_dctcp"; const char tcp_cdg[] = "cdg"; char cc_res[TCP_CA_NAME_MAX]; @@ -71,10 +71,10 @@ void BPF_PROG(bpf_dctcp_init, struct sock *sk) struct bpf_dctcp *ca = inet_csk_ca(sk); int *stg; - if (!(tp->ecn_flags & TCP_ECN_OK) && fallback[0]) { + if (!(tp->ecn_flags & TCP_ECN_OK) && fallback_cc[0]) { /* Switch to fallback */ if (bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION, - (void *)fallback, sizeof(fallback)) == -EBUSY) + (void *)fallback_cc, sizeof(fallback_cc)) == -EBUSY) ebusy_cnt++; /* Switch back to myself and the recurred bpf_dctcp_init() @@ -87,7 +87,7 @@ void BPF_PROG(bpf_dctcp_init, struct sock *sk) /* Switch back to fallback */ if (bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION, - (void *)fallback, sizeof(fallback)) == -EBUSY) + (void *)fallback_cc, sizeof(fallback_cc)) == -EBUSY) ebusy_cnt++; /* Expecting -ENOTSUPP for tcp_cdg_res */ From patchwork Thu Sep 5 08:13:54 2024 Content-Type: text/plain; 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Thu, 05 Sep 2024 16:11:18 +0800 (CST) From: Pu Lehui To: bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Puranjay Mohan , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Palmer Dabbelt , Pu Lehui Subject: [PATCH bpf-next v3 03/10] selftests/bpf: Prefer static linking for LLVM libraries Date: Thu, 5 Sep 2024 08:13:54 +0000 Message-Id: <20240905081401.1894789-4-pulehui@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240905081401.1894789-1-pulehui@huaweicloud.com> References: <20240905081401.1894789-1-pulehui@huaweicloud.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S5 X-Coremail-Antispam: 1UD129KBjvJXoW7Ar17Cr4fJr43Zw15tFykuFg_yoW8XF1Dpw s5Cw4ftF18Gr1Y9FZ7GFWqgrZ0g3y5JFyjgr1xXrnrZrn7Jry2gr4SqryfJF9rXrWftw43 AF1SkryfAF4UJ3DanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPIb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUWw A2048vs2IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV W8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMc Ij6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_ Jr0_Gr1lF7xvr2IYc2Ij64vIr41lFIxGxcIEc7CjxVA2Y2ka0xkIwI1lc7CjxVAaw2AFwI 0_GFv_Wryl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG 67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6rW5MI IYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E 14v26F4j6r4UJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr 0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8Jr0_Cr1UYxBIdaVFxhVjvjDU0xZFpf9x07jx CztUUUUU= X-CM-SenderInfo: psxovxtxl6x35dzhxuhorxvhhfrp/ X-Patchwork-Delegate: bpf@iogearbox.net From: Eduard Zingerman It is not always convenient to have LLVM libraries installed inside CI rootfs images, thus request static libraries from llvm-config. Suggested-by: Andrii Nakryiko Signed-off-by: Eduard Zingerman Acked-by: Daniel Borkmann Tested-by: Daniel Borkmann --- tools/testing/selftests/bpf/Makefile | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 9905e3739dd0..04716a5e43f1 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -202,11 +202,9 @@ ifeq ($(feature-llvm),1) LLVM_CONFIG_LIB_COMPONENTS := mcdisassembler all-targets # both llvm-config and lib.mk add -D_GNU_SOURCE, which ends up as conflict LLVM_CFLAGS += $(filter-out -D_GNU_SOURCE,$(shell $(LLVM_CONFIG) --cflags)) - LLVM_LDLIBS += $(shell $(LLVM_CONFIG) --libs $(LLVM_CONFIG_LIB_COMPONENTS)) - ifeq ($(shell $(LLVM_CONFIG) --shared-mode),static) - LLVM_LDLIBS += $(shell $(LLVM_CONFIG) --system-libs $(LLVM_CONFIG_LIB_COMPONENTS)) - LLVM_LDLIBS += -lstdc++ - endif + LLVM_LDLIBS += $(shell $(LLVM_CONFIG) --link-static --libs $(LLVM_CONFIG_LIB_COMPONENTS)) + LLVM_LDLIBS += $(shell $(LLVM_CONFIG) --link-static --system-libs $(LLVM_CONFIG_LIB_COMPONENTS)) + LLVM_LDLIBS += -lstdc++ LLVM_LDFLAGS += $(shell $(LLVM_CONFIG) --ldflags) endif From patchwork Thu Sep 5 08:13:55 2024 Content-Type: text/plain; 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Thu, 05 Sep 2024 16:11:18 +0800 (CST) From: Pu Lehui To: bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Puranjay Mohan , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Palmer Dabbelt , Pu Lehui Subject: [PATCH bpf-next v3 04/10] selftests/bpf: Limit URLS parsing logic to actual scope in vmtest Date: Thu, 5 Sep 2024 08:13:55 +0000 Message-Id: <20240905081401.1894789-5-pulehui@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240905081401.1894789-1-pulehui@huaweicloud.com> References: <20240905081401.1894789-1-pulehui@huaweicloud.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S6 X-Coremail-Antispam: 1UD129KBjvJXoW7uF4fZr4DGF1rtF13Zry5urg_yoW8uFW3pw 1fWryakw1Iq3W7Wrn3JFyUuF43Gr4xCF1xJFy8Wr4Y9r17XF1qqFyIyFyqqrs8X345Xr4S vayfWFy3Cr45taDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPqb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAV Cq3wA2048vs2IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0 rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267 AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E 14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7 xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Y z7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lFIxGxcIEc7CjxVA2Y2ka0xkIwI1lc7CjxVAaw2 AFwI0_GFv_Wryl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAq x4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6r W5MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF 7I0E14v26F4j6r4UJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI 0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8Jr0_Cr1UYxBIdaVFxhVjvjDU0xZFpf9x 07jIPfQUUUUU= X-CM-SenderInfo: psxovxtxl6x35dzhxuhorxvhhfrp/ X-Patchwork-Delegate: bpf@iogearbox.net From: Pu Lehui The URLS array is only valid in the download_rootfs function and does not need to be parsed globally in advance. At the same time, the logic of loading rootfs is refactored to prepare vmtest for supporting local rootfs. Signed-off-by: Pu Lehui --- tools/testing/selftests/bpf/vmtest.sh | 39 +++++++++++++-------------- 1 file changed, 19 insertions(+), 20 deletions(-) diff --git a/tools/testing/selftests/bpf/vmtest.sh b/tools/testing/selftests/bpf/vmtest.sh index 65d14f3bbe30..87d93f29c565 100755 --- a/tools/testing/selftests/bpf/vmtest.sh +++ b/tools/testing/selftests/bpf/vmtest.sh @@ -92,19 +92,6 @@ populate_url_map() fi } -download() -{ - local file="$1" - - if [[ ! -v URLS[$file] ]]; then - echo "$file not found" >&2 - return 1 - fi - - echo "Downloading $file..." >&2 - curl -Lsf "${URLS[$file]}" "${@:2}" -} - newest_rootfs_version() { { @@ -118,16 +105,30 @@ newest_rootfs_version() download_rootfs() { - local rootfsversion="$1" - local dir="$2" + populate_url_map + + local rootfsversion="$(newest_rootfs_version)" + local file="${ARCH}/libbpf-vmtest-rootfs-$rootfsversion.tar.zst" + + if [[ ! -v URLS[$file] ]]; then + echo "$file not found" >&2 + return 1 + fi + + echo "Downloading $file..." >&2 + curl -Lsf "${URLS[$file]}" "${@:2}" +} + +load_rootfs() +{ + local dir="$1" if ! which zstd &> /dev/null; then echo 'Could not find "zstd" on the system, please install zstd' exit 1 fi - download "${ARCH}/libbpf-vmtest-rootfs-$rootfsversion.tar.zst" | - zstd -d | sudo tar -C "$dir" -x + download_rootfs | zstd -d | sudo tar -C "$dir" -x } recompile_kernel() @@ -227,7 +228,7 @@ create_vm_image() mkfs.ext4 -q "${rootfs_img}" mount_image - download_rootfs "$(newest_rootfs_version)" "${mount_dir}" + load_rootfs "${mount_dir}" unmount_image } @@ -402,8 +403,6 @@ main() make_command="${make_command} KBUILD_OUTPUT=${KBUILD_OUTPUT}" fi - populate_url_map - local rootfs_img="${OUTPUT_DIR}/${ROOTFS_IMAGE}" local mount_dir="${OUTPUT_DIR}/${MOUNT_DIR}" From patchwork Thu Sep 5 08:13:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pu Lehui X-Patchwork-Id: 13791925 X-Patchwork-Delegate: bpf@iogearbox.net Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0087F199251; 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dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.235]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4WzsWB6bPBz4f3l24; Thu, 5 Sep 2024 16:11:02 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.112]) by mail.maildlp.com (Postfix) with ESMTP id CC8E51A058E; Thu, 5 Sep 2024 16:11:18 +0800 (CST) Received: from ultra.huawei.com (unknown [10.90.53.71]) by APP1 (Coremail) with SMTP id cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S7; Thu, 05 Sep 2024 16:11:18 +0800 (CST) From: Pu Lehui To: bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Puranjay Mohan , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Palmer Dabbelt , Pu Lehui Subject: [PATCH bpf-next v3 05/10] selftests/bpf: Support local rootfs image for vmtest Date: Thu, 5 Sep 2024 08:13:56 +0000 Message-Id: <20240905081401.1894789-6-pulehui@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240905081401.1894789-1-pulehui@huaweicloud.com> References: <20240905081401.1894789-1-pulehui@huaweicloud.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S7 X-Coremail-Antispam: 1UD129KBjvJXoWxWw1xAF4DZr48Cr4rXw1UJrb_yoW5ZrWfpa 1kXw1Ykr9agF13XF1fJrW8WF4rGF1kWry7G34xXrWUuwn3tFykXr1SyFWjqFW3Wa4FqrZx A34SvF98uw1UA3DanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPvb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAV Cq3wA2048vs2IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0 rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267 AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E 14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7 xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Y z7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lFIxGxcIEc7CjxVA2Y2ka0xkIwI1lc7CjxVAaw2 AFwI0_GFv_Wryl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAq x4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6r W5MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_JFI_Gr1lIxAIcVC0I7IYx2IY6xkF 7I0E14v26r4UJVWxJr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14 v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuY vjxUI-eODUUUU X-CM-SenderInfo: psxovxtxl6x35dzhxuhorxvhhfrp/ X-Patchwork-Delegate: bpf@iogearbox.net From: Pu Lehui Support vmtest to use local rootfs image generated by [0] that is consistent with BPF CI. Now we can specify the local rootfs image through the `-l` parameter like as follows: vmtest.sh -l ./libbpf-vmtest-rootfs-2024.08.22-noble-amd64.tar.zst -- ./test_progs Meanwhile, some descriptions have been flushed. Link: https://github.com/libbpf/ci/blob/main/rootfs/mkrootfs_debian.sh [0] Acked-by: Eduard Zingerman Signed-off-by: Pu Lehui --- tools/testing/selftests/bpf/README.rst | 2 -- tools/testing/selftests/bpf/vmtest.sh | 21 ++++++++++++++++----- 2 files changed, 16 insertions(+), 7 deletions(-) diff --git a/tools/testing/selftests/bpf/README.rst b/tools/testing/selftests/bpf/README.rst index 9b974e425af3..4a1e74b17109 100644 --- a/tools/testing/selftests/bpf/README.rst +++ b/tools/testing/selftests/bpf/README.rst @@ -85,8 +85,6 @@ In case of linker errors when running selftests, try using static linking: If you want to change pahole and llvm, you can change `PATH` environment variable in the beginning of script. -.. note:: The script currently only supports x86_64 and s390x architectures. - Additional information about selftest failures are documented here. diff --git a/tools/testing/selftests/bpf/vmtest.sh b/tools/testing/selftests/bpf/vmtest.sh index 87d93f29c565..7bd2b44deb08 100755 --- a/tools/testing/selftests/bpf/vmtest.sh +++ b/tools/testing/selftests/bpf/vmtest.sh @@ -4,9 +4,11 @@ set -u set -e -# This script currently only works for x86_64 and s390x, as -# it is based on the VM image used by the BPF CI, which is -# available only for these architectures. +# This script currently only works for the following platforms, +# as it is based on the VM image used by the BPF CI, which is +# available only for these architectures. We can also specify +# the local rootfs image generated by the following script: +# https://github.com/libbpf/ci/blob/main/rootfs/mkrootfs_debian.sh ARCH="$(uname -m)" case "${ARCH}" in s390x) @@ -34,6 +36,7 @@ aarch64) esac DEFAULT_COMMAND="./test_progs" MOUNT_DIR="mnt" +LOCAL_ROOTFS_IMAGE="" ROOTFS_IMAGE="root.img" OUTPUT_DIR="$HOME/.bpf_selftests" KCONFIG_REL_PATHS=("tools/testing/selftests/bpf/config" @@ -69,6 +72,7 @@ or Options: + -l) Specify the path to the local rootfs image. -i) Update the rootfs image with a newer version. -d) Update the output directory (default: ${OUTPUT_DIR}) -j) Number of jobs for compilation, similar to -j in make @@ -128,7 +132,11 @@ load_rootfs() exit 1 fi - download_rootfs | zstd -d | sudo tar -C "$dir" -x + if [[ -n "${LOCAL_ROOTFS_IMAGE}" ]]; then + cat "${LOCAL_ROOTFS_IMAGE}" | zstd -d | sudo tar -C "$dir" -x + else + download_rootfs | zstd -d | sudo tar -C "$dir" -x + fi } recompile_kernel() @@ -342,8 +350,11 @@ main() local exit_command="poweroff -f" local debug_shell="no" - while getopts ':hskid:j:' opt; 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Thu, 5 Sep 2024 16:11:20 +0800 (CST) Received: from ultra.huawei.com (unknown [10.90.53.71]) by APP1 (Coremail) with SMTP id cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S8; Thu, 05 Sep 2024 16:11:18 +0800 (CST) From: Pu Lehui To: bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Puranjay Mohan , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Palmer Dabbelt , Pu Lehui Subject: [PATCH bpf-next v3 06/10] selftests/bpf: Enable cross platform testing for vmtest Date: Thu, 5 Sep 2024 08:13:57 +0000 Message-Id: <20240905081401.1894789-7-pulehui@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240905081401.1894789-1-pulehui@huaweicloud.com> References: <20240905081401.1894789-1-pulehui@huaweicloud.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S8 X-Coremail-Antispam: 1UD129KBjvJXoW3AryxCFyUZFyfCrWrCFyxAFb_yoW7GF4rp3 y8Zw42ka48WF1Sgrn7AF409FWfGw4kZrW7Gry8Xw1UZwn7JF9Fyr9ayFWDXrsxW34Syr43 ZasagF90kw47Z37anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUmFb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAV Cq3wA2048vs2IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0 rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267 AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E 14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7 xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Y z7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lFIxGxcIEc7CjxVA2Y2ka0xkIwI1lc7CjxVAaw2 AFwI0_GFv_Wryl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAq x4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6r W5MIIYY7kG6xAYrwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1I6r4UMIIF0xvE 2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42 IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4UJVWxJrUvcSsGvfC2 KfnxnUUI43ZEXa7IUYk9N7UUUUU== X-CM-SenderInfo: psxovxtxl6x35dzhxuhorxvhhfrp/ X-Patchwork-Delegate: bpf@iogearbox.net From: Pu Lehui Add support cross platform testing for vmtest. The variable $ARCH in the current script is platform semantics, not kernel semantics. Rename it to $PLATFORM so that we can easily use $ARCH in cross-compilation. And drop `set -u` unbound variable check as we will use CROSS_COMPILE env variable. For now, Using PLATFORM= and CROSS_COMPILE= options will enable cross platform testing: PLATFORM= CROSS_COMPILE= vmtest.sh -- ./test_progs Tested-by: Eduard Zingerman Signed-off-by: Pu Lehui --- tools/testing/selftests/bpf/vmtest.sh | 42 ++++++++++++++++++++------- 1 file changed, 31 insertions(+), 11 deletions(-) diff --git a/tools/testing/selftests/bpf/vmtest.sh b/tools/testing/selftests/bpf/vmtest.sh index 7bd2b44deb08..91f940e8ce45 100755 --- a/tools/testing/selftests/bpf/vmtest.sh +++ b/tools/testing/selftests/bpf/vmtest.sh @@ -1,7 +1,6 @@ #!/bin/bash # SPDX-License-Identifier: GPL-2.0 -set -u set -e # This script currently only works for the following platforms, @@ -9,25 +8,31 @@ set -e # available only for these architectures. We can also specify # the local rootfs image generated by the following script: # https://github.com/libbpf/ci/blob/main/rootfs/mkrootfs_debian.sh -ARCH="$(uname -m)" -case "${ARCH}" in +PLATFORM="${PLATFORM:-$(uname -m)}" +case "${PLATFORM}" in s390x) QEMU_BINARY=qemu-system-s390x QEMU_CONSOLE="ttyS1" - QEMU_FLAGS=(-smp 2) + HOST_FLAGS=(-smp 2 -enable-kvm) + CROSS_FLAGS=(-smp 2) BZIMAGE="arch/s390/boot/vmlinux" + ARCH="s390" ;; x86_64) QEMU_BINARY=qemu-system-x86_64 QEMU_CONSOLE="ttyS0,115200" - QEMU_FLAGS=(-cpu host -smp 8) + HOST_FLAGS=(-cpu host -enable-kvm -smp 8) + CROSS_FLAGS=(-smp 8) BZIMAGE="arch/x86/boot/bzImage" + ARCH="x86" ;; aarch64) QEMU_BINARY=qemu-system-aarch64 QEMU_CONSOLE="ttyAMA0,115200" - QEMU_FLAGS=(-M virt,gic-version=3 -cpu host -smp 8) + HOST_FLAGS=(-M virt,gic-version=3 -cpu host -enable-kvm -smp 8) + CROSS_FLAGS=(-M virt,gic-version=3 -cpu cortex-a76 -smp 8) BZIMAGE="arch/arm64/boot/Image" + ARCH="arm64" ;; *) echo "Unsupported architecture" @@ -41,7 +46,7 @@ ROOTFS_IMAGE="root.img" OUTPUT_DIR="$HOME/.bpf_selftests" KCONFIG_REL_PATHS=("tools/testing/selftests/bpf/config" "tools/testing/selftests/bpf/config.vm" - "tools/testing/selftests/bpf/config.${ARCH}") + "tools/testing/selftests/bpf/config.${PLATFORM}") INDEX_URL="https://raw.githubusercontent.com/libbpf/ci/master/INDEX" NUM_COMPILE_JOBS="$(nproc)" LOG_FILE_BASE="$(date +"bpf_selftests.%Y-%m-%d_%H-%M-%S")" @@ -61,6 +66,10 @@ tools/testing/selftests/bpf. e.g: If no command is specified and a debug shell (-s) is not requested, "${DEFAULT_COMMAND}" will be run by default. +Using PLATFORM= and CROSS_COMPILE= options will enable cross platform testing: + + PLATFORM= CROSS_COMPILE= $0 -- ./test_progs -t test_lsm + If you build your kernel using KBUILD_OUTPUT= or O= options, these can be passed as environment variables to the script: @@ -100,7 +109,7 @@ newest_rootfs_version() { { for file in "${!URLS[@]}"; do - if [[ $file =~ ^"${ARCH}"/libbpf-vmtest-rootfs-(.*)\.tar\.zst$ ]]; then + if [[ $file =~ ^"${PLATFORM}"/libbpf-vmtest-rootfs-(.*)\.tar\.zst$ ]]; then echo "${BASH_REMATCH[1]}" fi done @@ -112,7 +121,7 @@ download_rootfs() populate_url_map local rootfsversion="$(newest_rootfs_version)" - local file="${ARCH}/libbpf-vmtest-rootfs-$rootfsversion.tar.zst" + local file="${PLATFORM}/libbpf-vmtest-rootfs-$rootfsversion.tar.zst" if [[ ! -v URLS[$file] ]]; then echo "$file not found" >&2 @@ -253,12 +262,17 @@ EOF exit 1 fi + if [[ "${PLATFORM}" != "$(uname -m)" ]]; then + QEMU_FLAGS=("${CROSS_FLAGS[@]}") + else + QEMU_FLAGS=("${HOST_FLAGS[@]}") + fi + ${QEMU_BINARY} \ -nodefaults \ -display none \ -serial mon:stdio \ "${QEMU_FLAGS[@]}" \ - -enable-kvm \ -m 4G \ -drive file="${rootfs_img}",format=raw,index=1,media=disk,if=virtio,cache=none \ -kernel "${kernel_bzimage}" \ @@ -389,6 +403,11 @@ main() trap 'catch "$?"' EXIT + if [[ "${PLATFORM}" != "$(uname -m)" ]] && [[ -z "${CROSS_COMPILE}" ]]; then + echo "Cross-platform testing needs to specify CROSS_COMPILE" + exit 1 + fi + if [[ $# -eq 0 && "${debug_shell}" == "no" ]]; then echo "No command specified, will run ${DEFAULT_COMMAND} in the vm" else @@ -396,7 +415,8 @@ main() fi local kconfig_file="${OUTPUT_DIR}/latest.config" - local make_command="make -j ${NUM_COMPILE_JOBS} KCONFIG_CONFIG=${kconfig_file}" + local make_command="make ARCH=${ARCH} CROSS_COMPILE=${CROSS_COMPILE} \ + -j ${NUM_COMPILE_JOBS} KCONFIG_CONFIG=${kconfig_file}" # Figure out where the kernel is being built. # O takes precedence over KBUILD_OUTPUT. From patchwork Thu Sep 5 08:13:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pu Lehui X-Patchwork-Id: 13791930 X-Patchwork-Delegate: bpf@iogearbox.net Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7B8C51993B2; Thu, 5 Sep 2024 08:11:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725523886; cv=none; b=HZ5Znq7bybfGfigB1UeXFUYV7JPEiUj1WI1EWDr33zrAPHQmznH4cRq8i4h+HlR5bxsb+m+QXG9qTXspcoiBrvOoudlEc476JAd7gDnFq32iv09vorW7AXWgnb4yisORYCntVyyrwpYaQGXdzUdz0FCnWnpe+V7zkCF0eGGyusw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725523886; c=relaxed/simple; bh=Ey9n/C7/W1KXb3C4O0ZWrItcZQcO1j37HEJdCKbuOi4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=VU6qmcrZEj9oAUPbJhrdsi9RYJh0xTVTUeWHBxI5u28dDOi/nSyrH3QltIoLEpAArqgDsTBY/I6EoK4WGygePy+aZusC0gO92A0zzg2DGYehq9wuGS2sd8QkGe29NZ1XGXToO2xL05FFs2VqDiEkL1+uPX7qZOe/va8sQ6Eie5M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.235]) by dggsgout12.his.huawei.com (SkyGuard) with ESMTP id 4WzsWF4LKrz4f3jHc; Thu, 5 Sep 2024 16:11:05 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.112]) by mail.maildlp.com (Postfix) with ESMTP id A6B041A06D7; Thu, 5 Sep 2024 16:11:20 +0800 (CST) Received: from ultra.huawei.com (unknown [10.90.53.71]) by APP1 (Coremail) with SMTP id cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S9; Thu, 05 Sep 2024 16:11:20 +0800 (CST) From: Pu Lehui To: bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Puranjay Mohan , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Palmer Dabbelt , Pu Lehui Subject: [PATCH bpf-next v3 07/10] selftests/bpf: Add config.riscv64 Date: Thu, 5 Sep 2024 08:13:58 +0000 Message-Id: <20240905081401.1894789-8-pulehui@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240905081401.1894789-1-pulehui@huaweicloud.com> References: <20240905081401.1894789-1-pulehui@huaweicloud.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S9 X-Coremail-Antispam: 1UD129KBjvJXoWxGr43tF4fAw17uF1DZr1UWrg_yoW5WF4xpr n7JrW8Jr18Jr17KrW7AryDGrZ8tr1DJFWUJr17Xr1UJw1ktw4fJr1Fyr4UGr1UXa18Xr4r AF97GF13Zr1UJw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPvb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAV Cq3wA2048vs2IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0 rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267 AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E 14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7 xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Y z7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lFIxGxcIEc7CjxVA2Y2ka0xkIwI1lc7CjxVAaw2 AFwI0_GFv_Wryl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAq x4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6r W5MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_JFI_Gr1lIxAIcVC0I7IYx2IY6xkF 7I0E14v26r4UJVWxJr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14 v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuY vjxUI-eODUUUU X-CM-SenderInfo: psxovxtxl6x35dzhxuhorxvhhfrp/ X-Patchwork-Delegate: bpf@iogearbox.net From: Pu Lehui Add config.riscv64 for both BPF CI and local vmtest. Tested-by: Eduard Zingerman Signed-off-by: Pu Lehui --- tools/testing/selftests/bpf/config.riscv64 | 84 ++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 tools/testing/selftests/bpf/config.riscv64 diff --git a/tools/testing/selftests/bpf/config.riscv64 b/tools/testing/selftests/bpf/config.riscv64 new file mode 100644 index 000000000000..bb7043a80e1a --- /dev/null +++ b/tools/testing/selftests/bpf/config.riscv64 @@ -0,0 +1,84 @@ +CONFIG_AUDIT=y +CONFIG_BLK_CGROUP=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_BLK_DEV_RAM=y +CONFIG_BONDING=y +CONFIG_BPF_JIT_ALWAYS_ON=y +CONFIG_BPF_PRELOAD=y +CONFIG_BPF_PRELOAD_UMD=y +CONFIG_CGROUPS=y +CONFIG_CGROUP_CPUACCT=y +CONFIG_CGROUP_DEVICE=y +CONFIG_CGROUP_FREEZER=y +CONFIG_CGROUP_HUGETLB=y +CONFIG_CGROUP_NET_CLASSID=y +CONFIG_CGROUP_PERF=y +CONFIG_CGROUP_PIDS=y +CONFIG_CGROUP_SCHED=y +CONFIG_CPUSETS=y +CONFIG_DEBUG_ATOMIC_SLEEP=y +CONFIG_DEBUG_FS=y +CONFIG_DETECT_HUNG_TASK=y +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +CONFIG_EXPERT=y +CONFIG_EXT4_FS=y +CONFIG_EXT4_FS_POSIX_ACL=y +CONFIG_EXT4_FS_SECURITY=y +CONFIG_FRAME_POINTER=y +CONFIG_HARDLOCKUP_DETECTOR=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_HUGETLBFS=y +CONFIG_INET=y +CONFIG_IPV6_SEG6_LWTUNNEL=y +CONFIG_IP_ADVANCED_ROUTER=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_MULTIPLE_TABLES=y +CONFIG_JUMP_LABEL=y +CONFIG_KALLSYMS_ALL=y +CONFIG_KPROBES=y +CONFIG_MEMCG=y +CONFIG_NAMESPACES=y +CONFIG_NET=y +CONFIG_NETDEVICES=y +CONFIG_NETFILTER_XT_MATCH_BPF=y +CONFIG_NET_ACT_BPF=y +CONFIG_NET_L3_MASTER_DEV=y +CONFIG_NET_VRF=y +CONFIG_NONPORTABLE=y +CONFIG_NO_HZ_IDLE=y +CONFIG_NR_CPUS=256 +CONFIG_PACKET=y +CONFIG_PANIC_ON_OOPS=y +CONFIG_PARTITION_ADVANCED=y +CONFIG_PCI=y +CONFIG_PCI_HOST_GENERIC=y +CONFIG_POSIX_MQUEUE=y +CONFIG_PRINTK_TIME=y +CONFIG_PROC_KCORE=y +CONFIG_PROFILING=y +CONFIG_RCU_CPU_STALL_TIMEOUT=60 +CONFIG_RISCV_EFFICIENT_UNALIGNED_ACCESS=y +CONFIG_RISCV_ISA_C=y +CONFIG_RISCV_PMU=y +CONFIG_RISCV_PMU_SBI=y +CONFIG_RT_GROUP_SCHED=y +CONFIG_SECURITY_NETWORK=y +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_OF_PLATFORM=y +CONFIG_SMP=y +CONFIG_SOC_VIRT=y +CONFIG_SYSVIPC=y +CONFIG_TCP_CONG_ADVANCED=y +CONFIG_TLS=y +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +CONFIG_TUN=y +CONFIG_UNIX=y +CONFIG_UPROBES=y +CONFIG_USER_NS=y +CONFIG_VETH=y +CONFIG_VLAN_8021Q=y +CONFIG_VSOCKETS_LOOPBACK=y +CONFIG_XFRM_USER=y From patchwork Thu Sep 5 08:13:59 2024 Content-Type: text/plain; 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Thu, 05 Sep 2024 16:11:20 +0800 (CST) From: Pu Lehui To: bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Puranjay Mohan , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Palmer Dabbelt , Pu Lehui Subject: [PATCH bpf-next v3 08/10] selftests/bpf: Add DENYLIST.riscv64 Date: Thu, 5 Sep 2024 08:13:59 +0000 Message-Id: <20240905081401.1894789-9-pulehui@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240905081401.1894789-1-pulehui@huaweicloud.com> References: <20240905081401.1894789-1-pulehui@huaweicloud.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S10 X-Coremail-Antispam: 1UD129KBjvJXoW7ur48Xry3Xw4rur15tF15twb_yoW8Jw1Dpw 4fWryjk34fXF13tF1xCrZ2gFWrZFWkZrW8Jw10qr9xZr92yFZ7GFn7ta4rt3sxWFWrt3ya ya4akryrZw40qaDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPvb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAV Cq3wA2048vs2IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0 rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267 AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E 14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7 xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Y z7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lFIxGxcIEc7CjxVA2Y2ka0xkIwI1lc7CjxVAaw2 AFwI0_GFv_Wryl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAq x4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6r W5MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_JFI_Gr1lIxAIcVC0I7IYx2IY6xkF 7I0E14v26r4UJVWxJr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14 v26r4j6F4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuY vjxUI-eODUUUU X-CM-SenderInfo: psxovxtxl6x35dzhxuhorxvhhfrp/ X-Patchwork-Delegate: bpf@iogearbox.net From: Pu Lehui This patch adds DENYLIST.riscv64 file for riscv64. It will help BPF CI and local vmtest to mask failing and unsupported test cases. We can use the following command to use deny list in local vmtest as previously mentioned by Manu. PLATFORM=riscv64 CROSS_COMPILE=riscv64-linux-gnu- vmtest.sh \ -l ./libbpf-vmtest-rootfs-2024.08.30-noble-riscv64.tar.zst -- \ ./test_progs -d \ \"$(cat tools/testing/selftests/bpf/DENYLIST.riscv64 \ | cut -d'#' -f1 \ | sed -e 's/^[[:space:]]*//' \ -e 's/[[:space:]]*$//' \ | tr -s '\n' ','\ )\" Tested-by: Eduard Zingerman Signed-off-by: Pu Lehui --- tools/testing/selftests/bpf/DENYLIST.riscv64 | 3 +++ 1 file changed, 3 insertions(+) create mode 100644 tools/testing/selftests/bpf/DENYLIST.riscv64 diff --git a/tools/testing/selftests/bpf/DENYLIST.riscv64 b/tools/testing/selftests/bpf/DENYLIST.riscv64 new file mode 100644 index 000000000000..4fc4dfdde293 --- /dev/null +++ b/tools/testing/selftests/bpf/DENYLIST.riscv64 @@ -0,0 +1,3 @@ +# riscv64 deny list for BPF CI and local vmtest +exceptions # JIT does not support exceptions +tailcalls/tailcall_bpf2bpf* # JIT does not support mixing bpf2bpf and tailcalls From patchwork Thu Sep 5 08:14:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pu Lehui X-Patchwork-Id: 13791929 X-Patchwork-Delegate: bpf@iogearbox.net Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B87D1199239; 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We can now perform cross platform testing for riscv64 bpf using the following command: PLATFORM=riscv64 CROSS_COMPILE=riscv64-linux-gnu- vmtest.sh \ -l ./libbpf-vmtest-rootfs-2024.08.30-noble-riscv64.tar.zst -- \ ./test_progs -d \ \"$(cat tools/testing/selftests/bpf/DENYLIST.riscv64 \ | cut -d'#' -f1 \ | sed -e 's/^[[:space:]]*//' \ -e 's/[[:space:]]*$//' \ | tr -s '\n' ','\ )\" Tested-by: Eduard Zingerman Signed-off-by: Pu Lehui --- tools/testing/selftests/bpf/vmtest.sh | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/tools/testing/selftests/bpf/vmtest.sh b/tools/testing/selftests/bpf/vmtest.sh index 91f940e8ce45..79505d294c44 100755 --- a/tools/testing/selftests/bpf/vmtest.sh +++ b/tools/testing/selftests/bpf/vmtest.sh @@ -34,6 +34,15 @@ aarch64) BZIMAGE="arch/arm64/boot/Image" ARCH="arm64" ;; +riscv64) + # required qemu version v7.2.0+ + QEMU_BINARY=qemu-system-riscv64 + QEMU_CONSOLE="ttyS0,115200" + HOST_FLAGS=(-M virt -cpu host -enable-kvm -smp 8) + CROSS_FLAGS=(-M virt -cpu rv64,sscofpmf=true -smp 8) + BZIMAGE="arch/riscv/boot/Image" + ARCH="riscv" + ;; 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Thu, 05 Sep 2024 16:11:20 +0800 (CST) From: Pu Lehui To: bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Puranjay Mohan , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Palmer Dabbelt , Pu Lehui Subject: [PATCH bpf-next v3 10/10] selftests/bpf: Add description for running vmtest on RV64 Date: Thu, 5 Sep 2024 08:14:01 +0000 Message-Id: <20240905081401.1894789-11-pulehui@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240905081401.1894789-1-pulehui@huaweicloud.com> References: <20240905081401.1894789-1-pulehui@huaweicloud.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: cCh0CgD3Ii+gZ9lmMQ7AAQ--.26932S12 X-Coremail-Antispam: 1UD129KBjvJXoW7urW7Jr4kAFWUJrWftF47urg_yoW8Cw4Upw s5A34akr1SgF1aqF1fCrW7XF4Fqrs3XrWUGF1xGw15u3W5JFykXrn2yayjvanxuFZYvrsI ya4aqFyY9w18ZaDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPqb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAV Cq3wA2048vs2IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0 rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267 AKxVWxJr0_GcWl84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAF wI0_GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2 WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkE bVWUJVW8JwACjcxG0xvY0x0EwIxGrwACI402YVCY1x02628vn2kIc2xKxwCY1x0262kKe7 AKxVW8ZVWrXwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02 F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_GFv_Wr ylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVW8JVW5JwCI42IY6xIIjxv20xvEc7Cj xVAFwI0_Gr1j6F4UJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI 0_Gr0_Cr1lIxAIcVC2z280aVCY1x0267AKxVW8Jr0_Cr1UYxBIdaVFxhVjvjDU0xZFpf9x 07jIPfQUUUUU= X-CM-SenderInfo: psxovxtxl6x35dzhxuhorxvhhfrp/ X-Patchwork-Delegate: bpf@iogearbox.net From: Pu Lehui Add description in tools/testing/selftests/bpf/README.rst for running vmtest on RV64. Signed-off-by: Pu Lehui --- tools/testing/selftests/bpf/README.rst | 32 ++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/tools/testing/selftests/bpf/README.rst b/tools/testing/selftests/bpf/README.rst index 4a1e74b17109..776fbe3cb8f9 100644 --- a/tools/testing/selftests/bpf/README.rst +++ b/tools/testing/selftests/bpf/README.rst @@ -85,6 +85,38 @@ In case of linker errors when running selftests, try using static linking: If you want to change pahole and llvm, you can change `PATH` environment variable in the beginning of script. +Running vmtest on RV64 +====================== +To speed up testing and avoid various dependency issues, it is recommended to +run vmtest in a Docker container. Before running vmtest, we need to prepare +Docker container and local rootfs image. The overall steps are as follows: + +1. Create Docker container as shown in link [0]. + +2. Use mkrootfs_debian.sh script [1] to build local rootfs image: + +.. code-block:: console + + $ sudo ./mkrootfs_debian.sh --arch riscv64 --distro noble + +3. Start Docker container [0] and run vmtest in the container: + +.. code-block:: console + + $ PLATFORM=riscv64 CROSS_COMPILE=riscv64-linux-gnu- \ + tools/testing/selftests/bpf/vmtest.sh \ + -l -- \ + ./test_progs -d \ + \"$(cat tools/testing/selftests/bpf/DENYLIST.riscv64 \ + | cut -d'#' -f1 \ + | sed -e 's/^[[:space:]]*//' \ + -e 's/[[:space:]]*$//' \ + | tr -s '\n' ',' \ + )\" + +Link: https://github.com/pulehui/riscv-bpf-vmtest.git [0] +Link: https://github.com/libbpf/ci/blob/main/rootfs/mkrootfs_debian.sh [1] + Additional information about selftest failures are documented here.