From patchwork Tue Feb 2 15:07:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hailong Liu X-Patchwork-Id: 12061993 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=-13.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 8CDF4C433E0 for ; Tue, 2 Feb 2021 15:12:07 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 478E464F54 for ; Tue, 2 Feb 2021 15:12:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 478E464F54 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=163.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Owner; bh=lYdEYJGz876u+28rE07U/KUbJ0+eQ6RPpFonRP2TgfA=; b=NjOalIb89IUOv/jH3g4GsXEwVv f1Qe6DKhWOJu7RDxYIN7SddSrpmO2TVtpvtMQa4B1LrqTIvmeXrurgd70H6dK46ko76gNsfCG4Cjn Tk8+KpPwWeyochB9M5ZOUCj+pwhZ43heM4etIHsUk9aSl53BMasQN8IPW/k6BUcAQzy8oKKBptN1H nklTa69ybfg/I+LPIoFjNv18a/3O4t3uVXAEfipqB0Pljqqf33FjH3Tbk9qWBH9kBwGW/uHlTTifS rOk/zbW0UF6njGXznULt/iTbYq2luUwqclwFi+xB49kDJbsgEHphz+is3ZLYF8+1xFVofIfxo9Gzr jpzGkKLw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l6xKR-0006qM-Gi; Tue, 02 Feb 2021 15:10:55 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l6xKP-0006pw-Cx for linux-arm-kernel@merlin.infradead.org; Tue, 02 Feb 2021 15:10:53 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Message-Id:Date:Subject:Cc:To:From: Sender:Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:In-Reply-To:References; bh=6qdfUkx636JZda/diRGYx/P2eDRmGvPnIoq8RRlXT4o=; b=l2s9wmRgLrXzfRJ19lCJ4WWeVl GrBql1rc60F/8H9KXwGtjuF9AZ5ghZ92aCBkp8ecfpspjv4hXrDSBU7HwCOoZG4m0DQYibknB7Wh5 ha8mB1y2axq1J8pftifbD7cA8rvfPl4SqQyTqOxWGwvzF1i30GVdAQZhqT/01bhLWaV8uXFopFRkp iVlndsk5HM58tSGkfxJtSQvRT9iSoJZVJ78NgX3ni4457MHrBFxhrfDC29dk4lCqRnwvFEizQvYfZ SPc2TcDoKWA+X75YiSh1ktsCwUpMOsNl2L+wNJAcN93gdFfr/mbVgRBCIWet25KkWCwJD6JY5wuJJ IUm7+P+Q==; Received: from m12-17.163.com ([220.181.12.17]) by casper.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1l6xKM-00FN9d-Kq for linux-arm-kernel@lists.infradead.org; Tue, 02 Feb 2021 15:10:52 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=6qdfUkx636JZda/diR GYx/P2eDRmGvPnIoq8RRlXT4o=; b=cllRTyVxoQ5txdXmbYd5gtsPoUV0Qz4chP iph4j/GtAv8rpzkHWC3QcQKSawXaJj31xJmiwsnyd2ABPtEeyWQMI/5bVWeDpym9 HOb6CN8/0KwbZs/qkD08h5w5WxTn/qmGkCo8l1Qbct62EWuhGgnH8sSogsszBZ22 o55+CCpTM= Received: from localhost.localdomain (unknown [117.139.251.135]) by smtp13 (Coremail) with SMTP id EcCowAAHA4vRahlgPNhTjA--.35282S2; Tue, 02 Feb 2021 23:08:02 +0800 (CST) From: Hailong Liu To: Catalin Marinas Subject: [PATCH] arm64/ptdump:display the Linear Mapping start marker Date: Tue, 2 Feb 2021 23:07:49 +0800 Message-Id: <20210202150749.10104-1-liuhailongg6@163.com> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: EcCowAAHA4vRahlgPNhTjA--.35282S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrZryDXw15Ww4xur17WF4DArb_yoWfGrg_J3 42qa4Ygr1fZr1Sq3yru3Z5ury7Jw1qgrWFqw43Kr1ktay8Xrs8GFW0qFWSgF1kJws7GrZa kr97Was8Gr42qjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUnDku7UUUUU== X-Originating-IP: [117.139.251.135] X-CM-SenderInfo: xolxxtxlor0wjjw6il2tof0z/xtbBFRMnYFXlns83LAABs6 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210202_151051_907991_BF3EA40A X-CRM114-Status: UNSURE ( 9.76 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anshuman Khandual , Andrey Konovalov , Hailong Liu , linux-kernel@vger.kernel.org, Steven Price , Mark Brown , Andrew Morton , Vincenzo Frascino , Will Deacon , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Hailong Liu The current /sys/kernel/debug/kernel_page_tables does not display the *Linear Mapping start* marker on arm64, which I think should be paired with the *Linear Mapping start* marker. Since *Linear Mapping start* is the first marker, use level=-1 to display it. Signed-off-by: Hailong Liu --- arch/arm64/mm/ptdump.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c index 04137a8f3d2d..0e050d76b83a 100644 --- a/arch/arm64/mm/ptdump.c +++ b/arch/arm64/mm/ptdump.c @@ -324,6 +324,7 @@ void ptdump_walk(struct seq_file *s, struct ptdump_info *info) st = (struct pg_state){ .seq = s, .marker = info->markers, + .level = -1, .ptdump = { .note_page = note_page, .range = (struct ptdump_range[]){