From patchwork Sat Jun 20 18:52:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Valdis_Kl_=C4=93_tnieks?= X-Patchwork-Id: 11616343 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 68BA2138C for ; Sun, 21 Jun 2020 00:23:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5974424766 for ; Sun, 21 Jun 2020 00:23:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728720AbgFUAX0 (ORCPT ); Sat, 20 Jun 2020 20:23:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728726AbgFUAXU (ORCPT ); Sat, 20 Jun 2020 20:23:20 -0400 Received: from omr2.cc.vt.edu (omr2.cc.ipv6.vt.edu [IPv6:2607:b400:92:8400:0:33:fb76:806e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D877C061796 for ; Sat, 20 Jun 2020 17:23:20 -0700 (PDT) Received: from mr4.cc.vt.edu (mr4.cc.vt.edu [IPv6:2607:b400:92:8300:0:7b:e2b1:6a29]) by omr2.cc.vt.edu (8.14.4/8.14.4) with ESMTP id 05KIqfRh025355 for ; Sat, 20 Jun 2020 14:52:41 -0400 Received: from mail-qt1-f197.google.com (mail-qt1-f197.google.com [209.85.160.197]) by mr4.cc.vt.edu (8.14.7/8.14.7) with ESMTP id 05KIqZJj000656 for ; Sat, 20 Jun 2020 14:52:40 -0400 Received: by mail-qt1-f197.google.com with SMTP id s44so3757239qtc.11 for ; Sat, 20 Jun 2020 11:52:40 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:mime-version:date :message-id; bh=dwZeMkh+DsPbnyYGwceXjBXapy6lVxCTDStNpO5K+aU=; b=OCrrZliqpYr3jCne4WVVAzr6llekjjLFsr+c7w6MAKYcXXmdJHmHQ/EQjZssdeeLHJ tkiDJwCH1PURCTzSCG2kvX74ABBF6X7iUemNDqcHcmaEp00SsgOqx1sf3u17cJDVQTNw /Tt1qP+kaXp3fYuI5tOAKBq53gpR1AHHNyppq4FYjDpBF9/xvgi9FrXcYVw4+adV+g5U tFWB25w11Dxiz37DWVzCeBgUHpCOIEmoeCA5c5w+5kNXH0Ykgc3fhtiqLySgH7TV2b3E tHPH7LJCkb4SCvJCE/lO1s3uBgp293YxRkjeuEP1piwAipdS6P0CjlHTaGRwh5O1NEOD u1Gw== X-Gm-Message-State: AOAM531PllGiME1OS/MlhwUJ0GMZm8ev0CGK69jAPjgI9nvuAhkw+MjZ hxlvAZZF1QFX0miwYl3QW+N75V9zettbP1YJH4faCOBxe6mB4tVk5zyt2yPEGlFcpFiKHWl4Yy8 9830F0CK/1QKXYrxiU9MNEPUVPnzi2bCziEk= X-Received: by 2002:a37:a643:: with SMTP id p64mr9171252qke.214.1592679155360; Sat, 20 Jun 2020 11:52:35 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzB9rQ95PmDCQcidxxn3PnhtBZFxvAShjGrkrwrdZoJbwcRrWurmQO9gfDk1BE1lWP+aUJ4Wg== X-Received: by 2002:a37:a643:: with SMTP id p64mr9171236qke.214.1592679155078; Sat, 20 Jun 2020 11:52:35 -0700 (PDT) Received: from turing-police ([2601:5c0:c001:c9e1::359]) by smtp.gmail.com with ESMTPSA id b53sm10601172qtc.65.2020.06.20.11.52.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 Jun 2020 11:52:34 -0700 (PDT) From: "Valdis =?utf-8?q?Kl=C4=93tnieks?= " X-Google-Original-From: "Valdis =?utf-8?q?Kl=C4=93tnieks?= " X-Mailer: exmh version 2.9.0 11/07/2018 with nmh-1.7+dev To: Masahiro Yamada , Michal Marek cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org Subject: kbuild: separate kerneldoc warnings from compiler warnings Mime-Version: 1.0 Date: Sat, 20 Jun 2020 14:52:33 -0400 Message-ID: <591473.1592679153@turing-police> Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org This patch introduces a new build flag 'K=1' which controls whether kerneldoc warnings should be issued, separating them from the compiler warnings that W= controls. Signed-off-by: Valdis Kletnieks diff --git a/Makefile b/Makefile index 29abe44ada91..b1c0f9484a66 100644 --- a/Makefile +++ b/Makefile @@ -1605,6 +1605,7 @@ PHONY += help @echo ' (sparse by default)' @echo ' make C=2 [targets] Force check of all c source with $$CHECK' @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' + @echo ' make K=1 [targets] Warn about problems in kerneldoc comments' @echo ' make W=n [targets] Enable extra build checks, n=1,2,3 where' @echo ' 1: warnings which may be relevant and do not occur too often' @echo ' 2: warnings which occur quite often but may still be relevant' diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 2e8810b7e5ed..9bcb77f5a5f1 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -100,7 +100,7 @@ else ifeq ($(KBUILD_CHECKSRC),2) cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< endif -ifneq ($(KBUILD_EXTRA_WARN),) +ifneq ($(KBUILD_KDOC_WARN),) cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $< endif diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index 4aea7cf71d11..3fd5881c91b0 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -17,6 +17,12 @@ endif export KBUILD_EXTRA_WARN +ifeq ("$(origin K)", "command line") + KBUILD_KDOC_WARN := $(K) +endif + +export KBUILD_KDOC_WARN + # # W=1 - warnings which may be relevant and do not occur too often #