Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp3903880ybe; Mon, 9 Sep 2019 00:37:16 -0700 (PDT) X-Google-Smtp-Source: APXvYqy9l4p9V91bef57q0gA36uSSL1glOu/sNdDuywv6gSNCWRpTchW328ITd9dsMBB6yN/1sVe X-Received: by 2002:a17:906:454b:: with SMTP id s11mr18266668ejq.183.1568014636558; Mon, 09 Sep 2019 00:37:16 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1568014636; cv=none; d=google.com; s=arc-20160816; b=G13MfEbSybFIWjGtYiCDnlyi029ztpOfkIlb6FCaLgj/Ab8/SdSfk49r8OO9HfIYs2 sge/b+7ql/Cqi+nV4Udebx1DdyWTX7DVQimz77I7ee4Km4ggOVGnp3hlCCAPW89oiRjY dMft6H1pdfa9s33f18X2AVwpuUAcdhWEdLwLlid+ZwSDCnsZkDjn85zxxMA6ILxqblC7 b3eoz2M4RYvXQPic2Q3+Gb0gbAmLqDqSmlFrZysnMVI/HRLnV/o4EuUiy5QE6eJN5xCa OwpyiTDuz988WJOjtCVJGe9j7t7y+NMkBQ9F1jbKQNkeKQ6dEL6bBiiY5SSQuUWwJc0G 9aLQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=mg3rD7UYoQohcNlJDhvas+f5gcb8SahIBcKJEgl17NA=; b=lOzB3GXLuZGXIzVdeV2syhUC0VmXzlkEZVaQgIoSfH4rNHqUNUzRIQd/yYge7byVPA An2nYwMfgmq3q9hT9mT6vBlCKaz9V7fNdCyE/uk7ewPu1p7OmdqUswN9+a/6mhRU/l8M 4+GlY9Z8ALH+Xp/xBQzam3uqJwwU9NUhcr7IGpyjHFUULb4EkEYngcEIy5630Fmsz2Dz H9n6SyE91gTbdcGxcbL9VePUP1L1Ov7cq0WLDT8WnV62ipDmo1B3W615CBW/ooYnkctq u6HFdBZuvW55wNq0dxZGhHEHdj2uVVPaP2oSgfBgbqeaPckKRKMAejcJf5JDr1WlP36c PXeg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=idqshwqd; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id k2si6102293eds.174.2019.09.09.00.36.53; Mon, 09 Sep 2019 00:37:16 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=idqshwqd; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392152AbfIHB2g (ORCPT + 99 others); Sat, 7 Sep 2019 21:28:36 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:45737 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725846AbfIHB2d (ORCPT ); Sat, 7 Sep 2019 21:28:33 -0400 Received: by mail-pf1-f195.google.com with SMTP id y72so6887948pfb.12 for ; Sat, 07 Sep 2019 18:28:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=mg3rD7UYoQohcNlJDhvas+f5gcb8SahIBcKJEgl17NA=; b=idqshwqdoBLOeLVNPz9c5arwrGAf6HFGQkcV7H0h/m185HR5I2kwaEGTeIWoJKzeOX X4Y9eZL6j5AIDaa2hFKMmWuSo4xWwO/B0w/DlS3QD2w8dews+oejGU9qK2d1QSWeIy8P PW/Wo8OzbBDyH7Ha4miD86HHpw8HeTI1N25VfR7joDYwIPCJhr4sRPpGoRsxCxUEiFPC YuLuNQU8Jc5kIdNE7iex4A8iRMVZayvpf/137nOep5NcRApqf6dy2HJUBS0neOFFG2PT rzZ5rtnqCUqhikApoPqLar9eHIYoE6iFX0AoSf1MF25aV1BdSHVs4HPzHVaziBT+OmGo TqwA== 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=mg3rD7UYoQohcNlJDhvas+f5gcb8SahIBcKJEgl17NA=; b=fBIRFwr5FryxXW7JeBZLgunoC7w7CEecI+ZCkTr8cAdpoAdeQqvp6ZIqj8mjS510n8 kRv5PKW/lzPHiNJJOEwi0IsrBtPwA/w+fjxr/U6dvEX8RgUUrt/NvSMVKJKqV/gTe0ne SwPsiGlmCWM6VPqC2JyzAMAH/gfXNFcTwo6xTvmQtPJvZmCp+RzDPZe+2yrK9Fpl1cdM 0gEB9z4aOnX8ZZjkEULv3w00GHnFgQ78ItpbC8BL/l0Q+TSAjOOYHIWtC3R+IldinmyQ T852ozbbRor4jpMCWhkL0GPBfLPXoh4LZI8cVxi8LI4rvYMUoRYeiaQd+xUTlwzKu73o cO+A== X-Gm-Message-State: APjAAAU7HBXYFKHULYmVmvpwBmruo6aKQpXWbHavipdsesChgRnfxv+w 1dWVii84r2ZQ3+jZy3NdlMjJIi0cGDo= X-Received: by 2002:a17:90b:34a:: with SMTP id fh10mr9799400pjb.35.1567906112283; Sat, 07 Sep 2019 18:28:32 -0700 (PDT) Received: from localhost.localdomain ([149.28.153.17]) by smtp.gmail.com with ESMTPSA id s1sm18367884pjs.31.2019.09.07.18.28.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Sep 2019 18:28:31 -0700 (PDT) From: Changbin Du To: Andrew Morton Cc: Thomas Gleixner , linux-kernel@vger.kernel.org, Changbin Du Subject: [PATCH 3/8] kconfig/hacking: Group kernel data structures debugging together Date: Sun, 8 Sep 2019 09:27:55 +0800 Message-Id: <20190908012800.12979-4-changbin.du@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190908012800.12979-1-changbin.du@gmail.com> References: <20190908012800.12979-1-changbin.du@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Group these similar runtime data structures verification options together. Signed-off-by: Changbin Du --- lib/Kconfig.debug | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 96047140be93..3c9674483ec2 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1374,6 +1374,8 @@ config DEBUG_BUGVERBOSE of the BUG call as well as the EIP and oops trace. This aids debugging but costs about 70-100K of memory. +menu "Debug kernel data structures" + config DEBUG_LIST bool "Debug linked list manipulation" depends on DEBUG_KERNEL || BUG_ON_DATA_CORRUPTION @@ -1403,6 +1405,18 @@ config DEBUG_SG If unsure, say N. +config BUG_ON_DATA_CORRUPTION + bool "Trigger a BUG when data corruption is detected" + select DEBUG_LIST + help + Select this option if the kernel should BUG when it encounters + data corruption in kernel memory structures when they get checked + for validity. + + If unsure, say N. + +endmenu + config DEBUG_NOTIFIERS bool "Debug notifier call chains" depends on DEBUG_KERNEL @@ -2095,16 +2109,6 @@ config MEMTEST memtest=17, mean do 17 test patterns. If you are unsure how to answer this question, answer N. -config BUG_ON_DATA_CORRUPTION - bool "Trigger a BUG when data corruption is detected" - select DEBUG_LIST - help - Select this option if the kernel should BUG when it encounters - data corruption in kernel memory structures when they get checked - for validity. - - If unsure, say N. - source "samples/Kconfig" config ARCH_HAS_DEVMEM_IS_ALLOWED -- 2.20.1