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=-17.4 required=3.0 tests=DKIMWL_WL_MED,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, USER_IN_DEF_DKIM_WL autolearn=ham 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 2B6B3C2D0DB for ; Mon, 27 Jan 2020 19:36:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ECB272467F for ; Mon, 27 Jan 2020 19:36:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="i9rSgBNI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726599AbgA0TgV (ORCPT ); Mon, 27 Jan 2020 14:36:21 -0500 Received: from mail-pj1-f73.google.com ([209.85.216.73]:40852 "EHLO mail-pj1-f73.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725990AbgA0TgU (ORCPT ); Mon, 27 Jan 2020 14:36:20 -0500 Received: by mail-pj1-f73.google.com with SMTP id ev1so4643015pjb.5 for ; Mon, 27 Jan 2020 11:36:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=aJSm85atyJnx3aV4XPhE+g3+E/dOnaGn6esbhO+jJI0=; b=i9rSgBNIxezXPNrIZBLBWaZ68vA2x6JkVm3NwUao1U2o8TMtQzX5PgavtMtNsEhRJA n65HaX89soVklGfFrqwsBeACCt7X6G4eW0Xplt7Eh5NlIrL9IAcOWf5OwUcjjzoM1l69 RbCgK+SLmK+feNuDXLwqkdm7aYoTirSUubKAojSlY3U9rOZ0moGCxuHpoam3sfjEt7LW 6zkqi4E/pJ0MLuvUJrYAPZA4KlRlfkcmCW3v+L2vosOLEhQaXnsr0mEM2ktpkPdw1J1r 75LHvA3aoP8DFei9T7jimGok+SFDX5BhppLZJyta/+nvtYGKMtKqjNAbMK97KJ23LeAd xjBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=aJSm85atyJnx3aV4XPhE+g3+E/dOnaGn6esbhO+jJI0=; b=udeIqzvuYSlYpbXGZfApBnixmO4K9Lff8PNF2A3qXv/u+XjpxgB0vfPIQNDqNVTZLZ O86rRC6i4oi9qygn5+aqrOQCWSUnBiJPpaSdsA2FNX1m9mKWDVdhEI4WpYJA4uq2oUz7 1Z5olnT0irnSvlBVcF3fwLpM++07sdC33ey/80nh1d90HB/MIvDdoAdcLSWJY8sHrzam zWElnX5C/s2HMXm9O0+uj2fmPUBxG54Fbuwf0BPN76g/NGoVxe9coL8KclIfCsLwO5zN S5qxZnrY2/1+KOjOQJyqG84QPNgA6CvKNCnCotwxcXfk5Cbz2oywB4frw41GcrF5ggS2 fBSA== X-Gm-Message-State: APjAAAWnIIgylfFbfa4UZgqw4VW0GJ8yiNavfHExbB6meCAKB2k/WdlN 7tNuZA65LVLG9XW6vWSqWEbrfEy2HNuUAvrt6Ptnfw== X-Google-Smtp-Source: APXvYqx9pC2152Lu4FZNg/IOp3Cj3cc0+Gbq3g83KkqaaPhmlvpxER9ACv7DQBzKaGqCe/nHonqQCN7/GAI1hHq/dImN6A== X-Received: by 2002:a63:6e0e:: with SMTP id j14mr20400073pgc.361.1580153780074; Mon, 27 Jan 2020 11:36:20 -0800 (PST) Date: Mon, 27 Jan 2020 11:35:48 -0800 In-Reply-To: <20200127193549.187419-1-brendanhiggins@google.com> Message-Id: <20200127193549.187419-2-brendanhiggins@google.com> Mime-Version: 1.0 References: <20200127193549.187419-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.25.0.341.g760bfbb309-goog Subject: [RFC v1 1/2] kbuild: add arch specific dependency for BTF support From: Brendan Higgins To: jdike@addtoit.com, richard@nod.at, anton.ivanov@cambridgegreys.com, akpm@linux-foundation.org, changbin.du@intel.com, yamada.masahiro@socionext.com, rdunlap@infradead.org, keescook@chromium.org, andriy.shevchenko@linux.intel.com Cc: linux-um@lists.infradead.org, linux-kernel@vger.kernel.org, davidgow@google.com, heidifahim@google.com, Brendan Higgins Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some archs (like UM) do not build with CONFIG_DEBUG_INFO_BTF=y, so add an options for archs to select to opt-in or out of BTF typeinfo support. Signed-off-by: Brendan Higgins --- lib/Kconfig.debug | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index e4676b992eae9..f5bcb391f1b7d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -238,9 +238,12 @@ config DEBUG_INFO_DWARF4 But it significantly improves the success of resolving variables in gdb on optimized code. +config ARCH_NO_BTF_TYPEINFO + bool + config DEBUG_INFO_BTF bool "Generate BTF typeinfo" - depends on DEBUG_INFO + depends on DEBUG_INFO && !ARCH_NO_BTF_TYPEINFO help Generate deduplicated BTF type information from DWARF debug info. Turning this on expects presence of pahole tool, which will convert -- 2.25.0.341.g760bfbb309-goog