From patchwork Tue Mar 31 16:47:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Slava Bacherikov X-Patchwork-Id: 1264857 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=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=bacher09.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=bacher09.org header.i=@bacher09.org header.a=rsa-sha256 header.s=reg header.b=Re0+pc4f; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48sFpz2mXwz9sSG for ; Wed, 1 Apr 2020 03:56:43 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731144AbgCaQ4n (ORCPT ); Tue, 31 Mar 2020 12:56:43 -0400 Received: from pub.regulars.win ([89.163.144.234]:60628 "EHLO pub.regulars.win" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730589AbgCaQ4m (ORCPT ); Tue, 31 Mar 2020 12:56:42 -0400 X-Greylist: delayed 462 seconds by postgrey-1.27 at vger.kernel.org; Tue, 31 Mar 2020 12:56:42 EDT From: Slava Bacherikov DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bacher09.org; s=reg; t=1585673336; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=DmSQ2UIhT0odCb3E+9iqnV1wCWPiNesSH1XLAgRS7Jw=; b=Re0+pc4fcZ/9lLyWQmpJEiEuwkWiA/rcf3G5Ovd+qNiPmIJAMU0s0l2zzXj/Xo1ahMPieK WBTPVVN2hgx0dtCM96KcbSPr7bvID3Gnjcl4/tzhZZoQUSsk7JwhwmCzhj/p4nMIYH7aiJ Ao/cP94gY1ZNlL/CFxY1dNgqV6s7MHo= To: yamada.masahiro@socionext.com Cc: andriin@fb.com, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, Slava Bacherikov Subject: [PATCH] kbuild: disable DEBUG_INFO_SPLIT when BTF is on Date: Tue, 31 Mar 2020 19:47:20 +0300 Message-Id: <20200331164719.15930-1-slava@bacher09.org> MIME-Version: 1.0 Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Currently turning on DEBUG_INFO_SPLIT when DEBUG_INFO_BTF is also enabled will produce invalid btf file, since gen_btf function in link-vmlinux.sh script doesn't handle *.dwo files. Signed-off-by: Slava Bacherikov Reported-by: Jann Horn Reported-by: Liu Yiding --- lib/Kconfig.debug | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index f61d834e02fe..a9429ef5eec8 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -223,6 +223,7 @@ config DEBUG_INFO_DWARF4 config DEBUG_INFO_BTF bool "Generate BTF typeinfo" depends on DEBUG_INFO + depends on !DEBUG_INFO_SPLIT help Generate deduplicated BTF type information from DWARF debug info. Turning this on expects presence of pahole tool, which will convert