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 E4239C7618E for ; Mon, 24 Apr 2023 19:49:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232159AbjDXTtv (ORCPT ); Mon, 24 Apr 2023 15:49:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48540 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232821AbjDXTtl (ORCPT ); Mon, 24 Apr 2023 15:49:41 -0400 Received: from mail-pl1-x634.google.com (mail-pl1-x634.google.com [IPv6:2607:f8b0:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BC645FF0 for ; Mon, 24 Apr 2023 12:49:37 -0700 (PDT) Received: by mail-pl1-x634.google.com with SMTP id d9443c01a7336-1a677dffb37so42549345ad.2 for ; Mon, 24 Apr 2023 12:49:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1682365777; x=1684957777; h=content-transfer-encoding:mime-version:subject:references :in-reply-to:message-id:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=ncXeF8+lSv+yUHjZGKkNhp0Jv9CE7Y6CwXT+QMlocgs=; b=ioI2c6rKmrBM7w5lAyzS3elYoLlGr4WX7+PFpkRPWL06xjkVAh74juiPP2bN+sFz8w TdeqNYyDXb+x8YFDGK9OcsCriKiLWT704o22ueLXUGib9SE4BlBIDVwa+b+nMgbMBZDy wzaOuGVrIa11p7O1XXh0H+z1Al2Ucow3Iz+MFstLc9E26oL7VAkb4C9Q+Z25SGP0ypUd eLcMT5G9MvFlrVJZcZ73cIPT8oPX0DI5VDN2Yk+fXogP9yUcfzktu3M8RLFZvTYrStkD yOQTy1La/a9NFB9oaWH3m322ZsFkzfxwHvgzXR5hV6FU52UjNleJBd1P5BaggMY0yR11 A6aA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682365777; x=1684957777; h=content-transfer-encoding:mime-version:subject:references :in-reply-to:message-id:cc:to:from:date:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=ncXeF8+lSv+yUHjZGKkNhp0Jv9CE7Y6CwXT+QMlocgs=; b=FIMoUy+uwXWAXTiZouLnnPNxMWnSPZDOCW2y7M1zb75TC1CR22+iFhsRV3DF1+fpA4 fj0azQzNGK5pOklGYTsErqpNM7V7FATCXsgL2FNfmYJB2kR/XgMd4hmWqi3t3+6936Iv scBrvTpb+YVyw/J9zOr1OpTYZiHpSBVsWXIM5Pm2Q42aPVXL0Tx3KMY6vQCy85a5iryZ PCbO9DrjGr/lIDzKGG2epHIpEclVo3+eNro/MxjvJVhoiPQLTRDx7dhPd+mrrRfb2BEr Lurvm4Hzo5DwvonzVNWHnn7lZHea4yu0u4Z7pWOWNhdPzXhRDCEpawtryUPwKE9/uDaT IJIA== X-Gm-Message-State: AAQBX9f0MEF8OkqfUpJ9WJDPybiHzvGIrxldEhiQYFu6vBclhOK0M3wT vInhyGX3Mvarly80HFPViTuHV8UVIc4= X-Google-Smtp-Source: AKy350aDTINZgc1Nj6WKEzmVblq3CYB+DNrwsSkYJIagd1OcMyS9TIYqFRebDlxGjuQYQkEWba4txw== X-Received: by 2002:a17:903:24e:b0:1a6:4a64:4d27 with SMTP id j14-20020a170903024e00b001a64a644d27mr18782941plh.40.1682365777414; Mon, 24 Apr 2023 12:49:37 -0700 (PDT) Received: from localhost ([2605:59c8:148:ba10:d8b6:344e:b81a:e8b5]) by smtp.gmail.com with ESMTPSA id bd2-20020a170902830200b001a68d45e52dsm6901912plb.249.2023.04.24.12.49.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Apr 2023 12:49:36 -0700 (PDT) Date: Mon, 24 Apr 2023 12:49:35 -0700 From: John Fastabend To: Joanne Koong , bpf@vger.kernel.org Cc: andrii@kernel.org, ast@kernel.org, daniel@iogearbox.net, Joanne Koong Message-ID: <6446dd4faa312_389cc208c3@john.notmuch> In-Reply-To: <20230420071414.570108-3-joannelkoong@gmail.com> References: <20230420071414.570108-1-joannelkoong@gmail.com> <20230420071414.570108-3-joannelkoong@gmail.com> Subject: RE: [PATCH v2 bpf-next 2/5] bpf: Add bpf_dynptr_is_null and bpf_dynptr_is_rdonly Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Joanne Koong wrote: > bpf_dynptr_is_null returns true if the dynptr is null / invalid > (determined by whether ptr->data is NULL), else false if > the dynptr is a valid dynptr. > > bpf_dynptr_is_rdonly returns true if the dynptr is read-only, > else false if the dynptr is read-writable. If the dynptr is > null / invalid, false is returned by default. > > Signed-off-by: Joanne Koong > Acked-by: Andrii Nakryiko > --- Acked-by: John Fastabend