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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7F8BC433FE for ; Thu, 17 Nov 2022 04:29:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239145AbiKQE3A (ORCPT ); Wed, 16 Nov 2022 23:29:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239184AbiKQE25 (ORCPT ); Wed, 16 Nov 2022 23:28:57 -0500 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9BF3D22B0B for ; Wed, 16 Nov 2022 20:28:56 -0800 (PST) Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.17.1.19/8.17.1.19) with ESMTP id 2AH0bm80017564 for ; Wed, 16 Nov 2022 20:28:55 -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-transfer-encoding : content-type; s=facebook; bh=S59NeVu2RZQB4adWnGHav0b+ilPQ+zmm4Gh8Ygz2tpo=; b=Ehsu27rhG22itN62QUEXUziBgMorikGDSRz0kObp641YpFbXbL1db+z2sn/RrFu0I2xy QFWdeqx6asDxLNGeK+taNsLEjKo8m88HLMl7KJXazKdZXGfnFHqH4kQJeZ85nVSOTk10 zcvqcBnHhLDcmO7crlv18kYwioiqbHGDrFI= Received: from maileast.thefacebook.com ([163.114.130.3]) by m0089730.ppops.net (PPS) with ESMTPS id 3kw33fwhtt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Wed, 16 Nov 2022 20:28:55 -0800 Received: from twshared10308.07.ash9.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:82::c) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Wed, 16 Nov 2022 20:28:55 -0800 Received: by devbig309.ftw3.facebook.com (Postfix, from userid 128203) id 50480124860C7; Wed, 16 Nov 2022 20:28:44 -0800 (PST) From: Yonghong Song To: CC: Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , , Martin KaFai Lau Subject: [PATCH bpf-next v6 5/7] bpf: Enable sleeptable support for cgrp local storage Date: Wed, 16 Nov 2022 20:28:44 -0800 Message-ID: <20221117042844.1090968-1-yhs@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221117042818.1086954-1-yhs@fb.com> References: <20221117042818.1086954-1-yhs@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-ORIG-GUID: efhRh5Aq1BrlZD038HkPYVqkarNXpPDh X-Proofpoint-GUID: efhRh5Aq1BrlZD038HkPYVqkarNXpPDh X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-16_03,2022-11-16_01,2022-06-22_01 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org With proper bpf_rcu_read_lock() support, sleepable support for cgrp local storage can be enabled as typical use case task->cgroups->dfl_cgrp can be protected with bpf_rcu_read_lock(). Signed-off-by: Yonghong Song --- kernel/bpf/verifier.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 44633a1a2565..6ced46deeae5 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -13007,10 +13007,11 @@ static int check_map_prog_compatibility(struct = bpf_verifier_env *env, case BPF_MAP_TYPE_INODE_STORAGE: case BPF_MAP_TYPE_SK_STORAGE: case BPF_MAP_TYPE_TASK_STORAGE: + case BPF_MAP_TYPE_CGRP_STORAGE: break; default: verbose(env, - "Sleepable programs can only use array, hash, and ringbuf maps\n"); + "Sleepable programs can only use array, hash, ringbuf and local stor= age maps\n"); return -EINVAL; } =20 --=20 2.30.2