From nobody Thu Apr 9 11:35:45 2026 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 802B3348457; Tue, 10 Mar 2026 06:45:25 +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=1773125127; cv=none; b=SRLiAMJ3grFFjMusE7+4fRbDXiFX5fvNS366Y5kPvgDoYVzdHRSHbaZPKnUV11OfuIMKj+JsFtv5yMb6WE5I+hQI45uox4L+MJzijgUsbGxod5+OV6oJutrh2kBomAcf2qY4d508j3KK5tkUpos3lcFdKeK1VbuQZrJoB/url+k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773125127; c=relaxed/simple; bh=0aVAiHmBG3wfAE5Zdb0lJbmJG9vphW+wFTv0ZFo9fDQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MyeSiAVPxMC0t693/JubRsddeVh+KUyqXxmmG8Uollpk75TS+xnhCXnbn089o6J2THTR95jnOCs8SarUwCUxcBdhYW2NdpGQ+G4Vh8iuWB/LP7APeHzEh8AGHzSj2ay0Jvk3mrw8VsDjaRTeuhITO8Mn1hMGW8iJzXbrUWM6ACA= 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 [113.200.148.30]) by gateway (Coremail) with SMTP id _____8DxPMP+va9plGoZAA--.9076S3; Tue, 10 Mar 2026 14:45:18 +0800 (CST) Received: from linux.localdomain (unknown [113.200.148.30]) by front1 (Coremail) with SMTP id qMiowJCxOMHzva9p8edRAA--.11000S4; Tue, 10 Mar 2026 14:45:17 +0800 (CST) From: Tiezhu Yang To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Hengqi Chen Cc: loongarch@lists.linux.dev, bpf@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH bpf-next v1 2/2] selftests/bpf: Add alignment flag for test_verifier 190 testcase Date: Tue, 10 Mar 2026 14:45:07 +0800 Message-ID: <20260310064507.4228-3-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20260310064507.4228-1-yangtiezhu@loongson.cn> References: <20260310064507.4228-1-yangtiezhu@loongson.cn> 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: qMiowJCxOMHzva9p8edRAA--.11000S4 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBj93XoW7tr1fCF4rXFyUJw4DuFW3Jwc_yoW8Xry3p3 WrAayqkF92qF1xCFy7AanxWFWrWFZYqay3CF1jkry5Zw18C3srJrWIgF1UJr9Ig395Jw4S y3s3ta12v3WkXFXCm3ZEXasCq-sJn29KB7ZKAUJUUUUr529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUU9Yb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1a6r1DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVWxJVW8Jr1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6r4UJVWxJr1ln4kS14v26r1Y6r17M2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12 xvs2x26I8E6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q 6rW5McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64 vIr41l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1l4IxYO2xFxVAFwI0_ Jrv_JF1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1V AY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Gr0_Xr1lIxAI cVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42 IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIev Ja73UjIFyTuYvjxUFc_-DUUUU Content-Type: text/plain; charset="utf-8" There exists failure when executing the testcase "./test_verifier 190" if CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set on LoongArch. #190/p calls: two calls that return map_value with incorrect bool check F= AIL ... misaligned access off (0x0; 0xffffffffffffffff)+0 size 8 ... Summary: 0 PASSED, 0 SKIPPED, 1 FAILED It means that the program has unaligned accesses, but the kernel sets CONFIG_ARCH_STRICT_ALIGN by default to enable -mstrict-align to prevent unaligned accesses, so add a flag F_NEEDS_EFFICIENT_UNALIGNED_ACCESS into the testcase to avoid the failure. This is somehow similar with the commit ce1f289f541e ("selftests/bpf: Add F_NEEDS_EFFICIENT_UNALIGNED_ACCESS to some tests"). Signed-off-by: Tiezhu Yang Acked-by: Paul Chaignon Reviewed-by: Emil Tsalapatis --- tools/testing/selftests/bpf/verifier/calls.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/bpf/verifier/calls.c b/tools/testing/s= elftests/bpf/verifier/calls.c index 86887130a0ef..29e57f0e56c3 100644 --- a/tools/testing/selftests/bpf/verifier/calls.c +++ b/tools/testing/selftests/bpf/verifier/calls.c @@ -1521,6 +1521,7 @@ .errstr =3D "R0 invalid mem access 'scalar'", .result_unpriv =3D REJECT, .errstr_unpriv =3D "invalid read from stack R7 off=3D-16 size=3D8", + .flags =3D F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "calls: two calls that receive map_value via arg=3Dptr_stack_of_caller. t= est1", --=20 2.42.0