From patchwork Tue Jul 26 17:11:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yonghong Song X-Patchwork-Id: 12929575 X-Patchwork-Delegate: bpf@iogearbox.net 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 75C08C00144 for ; Tue, 26 Jul 2022 17:12:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230074AbiGZRMD (ORCPT ); Tue, 26 Jul 2022 13:12:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44048 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238837AbiGZRMC (ORCPT ); Tue, 26 Jul 2022 13:12:02 -0400 Received: from mx0b-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E226B1D0EF for ; Tue, 26 Jul 2022 10:12:01 -0700 (PDT) Received: from pps.filterd (m0148460.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 26QGXxLu002852 for ; Tue, 26 Jul 2022 10:12:01 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=DxciTCI/czOxJ3Xm+YNnXqXfIqv74dD4skpZ7aRuGZU=; b=E9xu7kroeG+OZONUEjcNwa+e3U0QhTmrvL5p0AKFDixbDM0qKPyjpikgzrpIkxTo5e5a T6fZfJl70DKE1zmhxWEZ7Os6L513KUazL9TNlX4ardfX/hEWDtRnXksBvPVS2pGYcNHN n69dmo20pc5vvxNqaUc9eHbZI/pSv/LYiTQ= Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3hj9jmbum7-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 26 Jul 2022 10:12:01 -0700 Received: from twshared25107.07.ash9.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:82::f) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Tue, 26 Jul 2022 10:12:00 -0700 Received: by devbig309.ftw3.facebook.com (Postfix, from userid 128203) id CC1F6D40EA66; Tue, 26 Jul 2022 10:11:56 -0700 (PDT) From: Yonghong Song To: CC: Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , Subject: [RFC PATCH bpf-next 5/7] bpf: arm64: No support of struct value argument Date: Tue, 26 Jul 2022 10:11:56 -0700 Message-ID: <20220726171156.713564-1-yhs@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220726171129.708371-1-yhs@fb.com> References: <20220726171129.708371-1-yhs@fb.com> MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-GUID: Y2RkAzblWRaIzqWYP8gefLhnWJfvLWum X-Proofpoint-ORIG-GUID: Y2RkAzblWRaIzqWYP8gefLhnWJfvLWum X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-26_05,2022-07-26_01,2022-06-22_01 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net X-Patchwork-State: RFC ARM64 does not support struct value argument for trampoline based bpf programs yet. Signed-off-by: Yonghong Song --- arch/arm64/net/bpf_jit_comp.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index 7ca8779ae34f..27bda6b755ae 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -1982,6 +1982,10 @@ int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, if (nargs > 8) return -ENOTSUPP; + /* don't support struct argument */ + if (m->struct_arg_bsize[0]) + return -ENOTSUPP; + ret = prepare_trampoline(&ctx, im, tlinks, orig_call, nargs, flags); if (ret < 0) return ret;