From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6723C282DD for ; Thu, 9 Jan 2020 00:35:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 92CA8206ED for ; Thu, 9 Jan 2020 00:35:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="UKw5Cw8D" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727631AbgAIAfD (ORCPT ); Wed, 8 Jan 2020 19:35:03 -0500 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:35498 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727168AbgAIAfC (ORCPT ); Wed, 8 Jan 2020 19:35:02 -0500 Received: from pps.filterd (m0148461.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0090YvvY026072 for ; Wed, 8 Jan 2020 16:35:02 -0800 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-type; s=facebook; bh=M9EHpNrDr1lJ5Uo6eiTBlsMHkWM+vmH+MrEGGeU1TME=; b=UKw5Cw8D7YmBi/QLL/VHTdkjtr6JWEMu3z+VBDrDmmDEMHt+P42z1M/8M9ny+S2LrF84 lzMfEalkTgwYInUT3NwDtqtAKo7sArYOcmVJ0FIIecehQSRrUMfcqQ565rFUcWmadQp0 HhZzV1Nbr6autPoSzuPpmWzVTO97hD5bh5g= Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com with ESMTP id 2xdkut9w86-6 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Wed, 08 Jan 2020 16:35:02 -0800 Received: from intmgw004.06.prn3.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:83::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Wed, 8 Jan 2020 16:35:00 -0800 Received: by devbig005.ftw2.facebook.com (Postfix, from userid 6611) id 3B7122942576; Wed, 8 Jan 2020 16:34:59 -0800 (PST) Smtp-Origin-Hostprefix: devbig From: Martin KaFai Lau Smtp-Origin-Hostname: devbig005.ftw2.facebook.com To: CC: Alexei Starovoitov , Daniel Borkmann , David Miller , , Smtp-Origin-Cluster: ftw2c04 Subject: [PATCH bpf-next v4 03/11] bpf: Add enum support to btf_ctx_access() Date: Wed, 8 Jan 2020 16:34:59 -0800 Message-ID: <20200109003459.3855366-1-kafai@fb.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200109003453.3854769-1-kafai@fb.com> References: <20200109003453.3854769-1-kafai@fb.com> X-FB-Internal: Safe MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-01-08_07:2020-01-08,2020-01-08 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 mlxscore=0 lowpriorityscore=0 adultscore=0 suspectscore=13 phishscore=0 spamscore=0 bulkscore=0 clxscore=1015 mlxlogscore=844 impostorscore=0 priorityscore=1501 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-2001090003 X-FB-Internal: deliver Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org It allows bpf prog (e.g. tracing) to attach to a kernel function that takes enum argument. Acked-by: Yonghong Song Signed-off-by: Martin KaFai Lau --- kernel/bpf/btf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 497ecf62d79d..6a5ccb748a72 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -3677,7 +3677,7 @@ bool btf_ctx_access(int off, int size, enum bpf_access_type type, /* skip modifiers */ while (btf_type_is_modifier(t)) t = btf_type_by_id(btf, t->type); - if (btf_type_is_int(t)) + if (btf_type_is_int(t) || btf_type_is_enum(t)) /* accessing a scalar */ return true; if (!btf_type_is_ptr(t)) { -- 2.17.1