From nobody Tue Sep 29 02:37:27 2026 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id B4E0D356779; Thu, 13 Aug 2026 07:09:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786604955; cv=none; b=GPZihOvYK8YhiOC4FUmSSDEhKy0qQiaJYeFperg94pjPbF/3PMfrd4bB4NpmTL6E1jTj9Dbcq4lcjhZy0Pz/bmEwNFYrcIY3U7gfTnXAjk63M84eHpJLQMka1+jqo4AqNIG1Q6DnEiGDth4xl/H8obcDXcC3fX9AE3Z3LXU39PI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786604955; c=relaxed/simple; bh=6Z1KVKHKC7XX4FfaZ954+tbK1vGqBHuDIcjuPObLF5w=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=GcYfBxNxB+LxaaqBQUMSdHYYy+vPtQAqzuG1FJrtZnUJKcLm+Ona2Z2EJf/aGQ5t+Ci1l02Pbtap/ph1I4hqvY7UMLK7XBNG5zaWMi3eWx+XW3v+n/edGZO9FnDDlEpVeElJmoQ4jLFPw+XLAICQ61h3V2c6cbH8qZ3v4mofRcI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [123.138.236.242]) by gateway (Coremail) with SMTP id _____8DxC9KVbX1qc9MAAA--.2500S3; Thu, 13 Aug 2026 15:09:09 +0800 (CST) Received: from linux.localdomain (unknown [123.138.236.242]) by front1 (Coremail) with SMTP id qMiowJCxNs2UbX1qrRADAA--.7861S2; Thu, 13 Aug 2026 15:09:08 +0800 (CST) From: Tiezhu Yang To: Huacai Chen , Hengqi Chen , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi Cc: loongarch@lists.linux.dev, bpf@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH bpf-next v1] selftests/bpf: Enable timed may_goto tests for LoongArch Date: Thu, 13 Aug 2026 15:09:06 +0800 Message-ID: <20260813070906.5164-1-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.42.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJCxNs2UbX1qrRADAA--.7861S2 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBj93XoWxWw48XFWfGw4fArWkWw4kAFc_yoW5KFWxpa 4kuasIkr18Jw1DJF9rGr4UWFW5Xrn293yaqr4ftryfAF17Jr97WF1xK34UKFyY9F4ruw4F va129F98Xa18ArgCm3ZEXasCq-sJn29KB7ZKAUJUUUU5529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUkYb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1l84ACjcxK6I8E87Iv67AKxVWxJVW8Jr1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6r4UJVWxJr1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44I27w Aqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jrv_JF1lYx0Ex4A2jsIE 14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x 0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E 7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcV C0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF 04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7 CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU8zwZ7UUUUU== Content-Type: text/plain; charset="utf-8" Enable stream_cond_break, may_goto_interaction, and verifier_may_goto_1 tests for LoongArch, aligning with recent architectural infrastructure support (timed may_goto and arch_bpf_stack_walk JIT). With this patch, the following tests passed on LoongArch: sudo ./test_progs -a stream_success/stream_cond_break sudo ./test_progs -a verifier_bpf_fastcall/may_goto_interaction sudo ./test_progs -a verifier_may_goto_1 Signed-off-by: Tiezhu Yang --- This patch is based on the latest bpf-next tree, it depends on the following two patches: LoongArch: BPF: Add timed may_goto support https://lore.kernel.org/loongarch/20260804153938.16129-3-dongtai.guo@linux.= dev/ LoongArch: BPF: Implement arch_bpf_stack_walk() https://lore.kernel.org/loongarch/20260813045306.21571-1-yangtiezhu@loongso= n.cn/ They are expected to be merged into v7.3-rc1 during the upcoming merge window through the loongarch-next tree. tools/testing/selftests/bpf/progs/stream.c | 1 + tools/testing/selftests/bpf/progs/verifier_bpf_fastcall.c | 1 + tools/testing/selftests/bpf/progs/verifier_may_goto_1.c | 5 +++++ 3 files changed, 7 insertions(+) diff --git a/tools/testing/selftests/bpf/progs/stream.c b/tools/testing/sel= ftests/bpf/progs/stream.c index 00a37933e411..8e8e1339dc74 100644 --- a/tools/testing/selftests/bpf/progs/stream.c +++ b/tools/testing/selftests/bpf/progs/stream.c @@ -65,6 +65,7 @@ __arch_x86_64 __arch_arm64 __arch_s390x __arch_riscv64 +__arch_loongarch __success __retval(0) __stderr("ERROR: Timeout detected for may_goto instruction") __stderr("CPU: {{[0-9]+}} UID: 0 PID: {{[0-9]+}} Comm: {{.*}}") diff --git a/tools/testing/selftests/bpf/progs/verifier_bpf_fastcall.c b/to= ols/testing/selftests/bpf/progs/verifier_bpf_fastcall.c index 4cfaa6b4ab40..328cf630210a 100644 --- a/tools/testing/selftests/bpf/progs/verifier_bpf_fastcall.c +++ b/tools/testing/selftests/bpf/progs/verifier_bpf_fastcall.c @@ -665,6 +665,7 @@ __naked void may_goto_interaction_x86_64(void) SEC("raw_tp") __arch_arm64 __arch_riscv64 +__arch_loongarch __log_level(4) __msg("subprog 0 (may_goto_interaction) main {{.*}} stack 24") /* may_goto counter at -24 */ diff --git a/tools/testing/selftests/bpf/progs/verifier_may_goto_1.c b/tool= s/testing/selftests/bpf/progs/verifier_may_goto_1.c index 0e211f030d0d..db7e30da234f 100644 --- a/tools/testing/selftests/bpf/progs/verifier_may_goto_1.c +++ b/tools/testing/selftests/bpf/progs/verifier_may_goto_1.c @@ -12,6 +12,7 @@ __arch_x86_64 __arch_s390x __arch_arm64 __arch_riscv64 +__arch_loongarch __xlated("0: r0 =3D 1") __xlated("1: exit") __success @@ -33,6 +34,7 @@ __arch_x86_64 __arch_s390x __arch_arm64 __arch_riscv64 +__arch_loongarch __xlated("0: r0 =3D 1") __xlated("1: exit") __success @@ -56,6 +58,7 @@ __arch_x86_64 __arch_s390x __arch_arm64 __arch_riscv64 +__arch_loongarch __xlated("0: r0 =3D 1") __xlated("1: exit") __success @@ -83,6 +86,7 @@ __arch_x86_64 __arch_s390x __arch_arm64 __arch_riscv64 +__arch_loongarch __xlated("0: *(u64 *)(r10 -16) =3D 65535") __xlated("1: *(u64 *)(r10 -8) =3D 0") __xlated("2: r12 =3D *(u64 *)(r10 -16)") @@ -120,6 +124,7 @@ __arch_x86_64 __arch_s390x __arch_arm64 __arch_riscv64 +__arch_loongarch __success __retval(0) __naked void timed_may_goto_preserves_regs(void) --=20 2.42.0