From patchwork Wed Sep 9 17:11:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenz Bauer X-Patchwork-Id: 1360836 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=reject dis=none) header.from=cloudflare.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=cloudflare.com header.i=@cloudflare.com header.a=rsa-sha256 header.s=google header.b=IRMZrEuB; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BmpVv3dJ7z9sTd for ; Thu, 10 Sep 2020 03:12:55 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729479AbgIIRMy (ORCPT ); Wed, 9 Sep 2020 13:12:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35214 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731172AbgIIRMG (ORCPT ); Wed, 9 Sep 2020 13:12:06 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B89EC061756 for ; Wed, 9 Sep 2020 10:12:06 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id e16so3816835wrm.2 for ; Wed, 09 Sep 2020 10:12:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloudflare.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ftypMfD9as2FgBF1X0Pf2dywiRppR0lwxPdnQRmU7wU=; b=IRMZrEuBmAiuJ5El6UaMnfisIp070by9JNRUC4busqKg3AwfoR1zkKGPaFLPA+2Lmn PF9qsUtLbD4V79FH9RIuW3TQkkNlHWGT9j1Hxvzhqxr9PZ01Lw8y2faE8BVH7Q8jx5pX lziHsrU6FXcOtMclte5uc20d2e/4KrDIHbhAA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ftypMfD9as2FgBF1X0Pf2dywiRppR0lwxPdnQRmU7wU=; b=IPv05hbOOfHO4avPcaCBIIp4ixEoBS8ws2jRfN2hcAYRdG5l+qKJK3TWHiiLdwmI8q qljJWU5Kc4J3X6IkaMnw4oN2DEi0/Vyg3JXYVm+k+MUMU31J5dEJPG2qo9+uI/ACxdkC bQS4VYC8rGM0RaMVFw7eMteW7kSkXCg1uW++gVoE/kcRZfj61jjVb6WHe15qfS0fNAIt NlyPe68nYffmFrCaOCjHPzI+IHNqeRj9EyoQUigJ6hKJ551PD2Jy11ZskdfzstfCAotq 49ICK4fKIvkxut4qbvj0Nhcwslw+28hPJu+vN8JJAIKbkjpdUgFjgnuIN0Z+pI9Z09Mm hSGw== X-Gm-Message-State: AOAM531EYf12xywZjnKebHJBQQTvfyGPAlAmBC7SM7Xy+ZB0/s3/j39s yG/rwINheDGJrNWjDtv3oMYiIQ== X-Google-Smtp-Source: ABdhPJzH1aUDLTRY27NE4fpaT3JvvDLuWlN+c3liSna83U/NR7k3KgBuaNF91Fb9SGlfQhX0ALgg6Q== X-Received: by 2002:adf:ce85:: with SMTP id r5mr4968698wrn.205.1599671524784; Wed, 09 Sep 2020 10:12:04 -0700 (PDT) Received: from antares.lan (1.3.0.0.8.d.4.4.b.b.8.a.1.4.5.e.f.f.6.2.a.5.a.7.0.b.8.0.1.0.0.2.ip6.arpa. [2001:8b0:7a5a:26ff:e541:a8bb:44d8:31]) by smtp.gmail.com with ESMTPSA id g131sm3746743wmf.25.2020.09.09.10.12.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Sep 2020 10:12:04 -0700 (PDT) From: Lorenz Bauer To: ast@kernel.org, yhs@fb.com, daniel@iogearbox.net, kafai@fb.com, andriin@fb.com Cc: bpf@vger.kernel.org, kernel-team@cloudflare.com, Lorenz Bauer Subject: [PATCH bpf-next v2 03/11] btf: Add BTF_ID_LIST_SINGLE macro Date: Wed, 9 Sep 2020 18:11:47 +0100 Message-Id: <20200909171155.256601-4-lmb@cloudflare.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200909171155.256601-1-lmb@cloudflare.com> References: <20200909171155.256601-1-lmb@cloudflare.com> MIME-Version: 1.0 Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Add a convenience macro that allows defining a BTF ID list with a single item. This lets us cut down on repetitive macros. Signed-off-by: Lorenz Bauer Suggested-by: Andrii Nakryiko --- include/linux/btf_ids.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/linux/btf_ids.h b/include/linux/btf_ids.h index 210b086188a3..d6a959572175 100644 --- a/include/linux/btf_ids.h +++ b/include/linux/btf_ids.h @@ -76,6 +76,13 @@ extern u32 name[]; #define BTF_ID_LIST_GLOBAL(name) \ __BTF_ID_LIST(name, globl) +/* The BTF_ID_LIST_SINGLE macro defines a BTF_ID_LIST with + * a single entry. + */ +#define BTF_ID_LIST_SINGLE(name, prefix, typename) \ + BTF_ID_LIST(name) \ + BTF_ID(prefix, typename) + /* * The BTF_ID_UNUSED macro defines 4 zero bytes. * It's used when we want to define 'unused' entry