From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out30-110.freemail.mail.aliyun.com (out30-110.freemail.mail.aliyun.com [115.124.30.110]) (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 3D832418A46; Wed, 19 Aug 2026 12:09:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.110 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787141377; cv=none; b=khs18Y7M5Zy4LjCHRUi0lqxdtcc2PpLWdGsiKUT1/y2hmpXU6PfSyO5+Et1c4E2anPTMjOZJ9Whnou71R3d965rBzh0w43il4OQPSbWn4D3NmcJ/9llF6aHZ6/fTjv7oezQc/5mSkacdWwzTlXUMgplClh75TI37SnvDY0I/GCM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787141377; c=relaxed/simple; bh=S0g4WFSLQ2qZFvCIQUCzd4WPm3qYSawkMr6Z+YG1OaI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=I56Lii2y02GjbjZn6wpY9Cf/Jvj2yHcGIeyKKmwPgIRUr5m7ogXqXyrdA/mg7ky7xzquDXwkAZgj0J3nlW/Xef+E0Rt1w4eZzdlT+ZBK6JSB8nGlBH2UDRAO/TAYuIPkMoN4IxESMjocdKFh+MP3s5BMWP+iTP2oMCJpT8Exr3c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=dWRdWFP3; arc=none smtp.client-ip=115.124.30.110 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="dWRdWFP3" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1787141371; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=ZCkwrG5UaWoJEzEsbaTN0x0VxiVzO2j77PibIF7G8XU=; b=dWRdWFP3RRdR7KSv09vM5kk+OinVmUZAk4OJJwkCQ8yxnJX7T4HeH+WhDzyXHShBkMvMTP2HuknuEugvl7gA1YRx/ZlwW7C2zvkLqsrpaYB/hk3G63EiYCNKM9eQYW+qzoapnZGD7j+YHJQ5wmqjkLHXy8dxiZZPenE3tUY/Ji8= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R221e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033037026112;MF=cp0613@linux.alibaba.com;NM=1;PH=DS;RN=22;SR=0;TI=SMTPD_---0X9GeFUz_1787141370; Received: from DESKTOP-S9E58SO.localdomain(mailfrom:cp0613@linux.alibaba.com fp:SMTPD_---0X9GeFUz_1787141370 cluster:ay36) by smtp.aliyun-inc.com; Wed, 19 Aug 2026 20:09:31 +0800 From: Chen Pei To: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, memxor@gmail.com, bjorn@kernel.org, puranjay@kernel.org Cc: ihor.solodrai@linux.dev, eddyz87@gmail.com, martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev, jolsa@kernel.org, emil@etsalapatis.com, pulehui@huawei.com, pjw@kernel.org, palmer@dabbelt.com, shuah@kernel.org, guoren@kernel.org, bpf@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH bpf-next v3 2/2] selftests/bpf: Enable arena LDSX tests for riscv64 Date: Wed, 19 Aug 2026 20:09:24 +0800 Message-ID: <1bab696ec36f196fa6ec74a0f056030b39730da7.1787140923.git.cp0613@linux.alibaba.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Now that the riscv64 JIT supports signed arena loads (BPF_PROBE_MEM32SX), enable the arena LDSX tests on riscv64: add JIT disassembly assertions for arena_ldsx_disasm (arena base in s7, add into t2, sign-extending lw/lh/lb loads) and run arena_ldsx_exception and arena_ldsx_s8/s16/s32 on riscv64. Reviewed-by: Pu Lehui Signed-off-by: Chen Pei --- .../testing/selftests/bpf/progs/verifier_ldsx.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/tools/testing/selftests/bpf/progs/verifier_ldsx.c b/tools/testing/selftests/bpf/progs/verifier_ldsx.c index 41340877dc9d..ed0a0f159bc1 100644 --- a/tools/testing/selftests/bpf/progs/verifier_ldsx.c +++ b/tools/testing/selftests/bpf/progs/verifier_ldsx.c @@ -286,6 +286,19 @@ __jited("add x11, x0, x28") __jited("ldrsh x22, [x11, #0x18]") __jited("add x11, x0, x28") __jited("ldrsb x22, [x11, #0x20]") +__arch_riscv64 +__jited("add t2, a5, s7") +__jited("lw s3, 0x10(t2)") +__jited("add t2, a5, s7") +__jited("lh s3, 0x18(t2)") +__jited("add t2, a5, s7") +__jited("lb s3, 0x20(t2)") +__jited("add t2, a0, s7") +__jited("lw s4, 0x10(t2)") +__jited("add t2, a0, s7") +__jited("lh s4, 0x18(t2)") +__jited("add t2, a0, s7") +__jited("lb s4, 0x20(t2)") __naked void arena_ldsx_disasm(void *ctx) { asm volatile ( @@ -317,6 +330,7 @@ __description("Arena LDSX Exception") __success __retval(0) __arch_x86_64 __arch_arm64 +__arch_riscv64 __naked void arena_ldsx_exception(void *ctx) { asm volatile ( @@ -338,6 +352,7 @@ __description("Arena LDSX, S8") __success __retval(-1) __arch_x86_64 __arch_arm64 +__arch_riscv64 __naked void arena_ldsx_s8(void *ctx) { asm volatile ( @@ -369,6 +384,7 @@ __description("Arena LDSX, S16") __success __retval(-1) __arch_x86_64 __arch_arm64 +__arch_riscv64 __naked void arena_ldsx_s16(void *ctx) { asm volatile ( @@ -400,6 +416,7 @@ __description("Arena LDSX, S32") __success __retval(-1) __arch_x86_64 __arch_arm64 +__arch_riscv64 __naked void arena_ldsx_s32(void *ctx) { asm volatile ( -- 2.50.1