From patchwork Thu Sep 21 02:50:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu-Chien Peter Lin X-Patchwork-Id: 13393615 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 68F2CCD4938 for ; Thu, 21 Sep 2023 02:51:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=bdUMSEiDnTLNvLVB0W0xWtiRmkBnNF5/L9rL3HtnZKA=; b=IuXxMiPNHVoE+9 0pzZf21YZ6tMQ3MGHUsUQJRrE5dvEosDDJL8uksDBX6LcsEHLU0U+ag05i2aVYG3NTpQQdNgQlIgw QIDoREZu2FPsPgtTA0aGltxHEnrS3ij9OlS+0ZQYmQgW9mzUbkkikhWPzMkecQnNXxU/j0XdaATeG /4KAX8Wtos/rqPoXeow09VJKgFD/Y0qAVqDfxfrhuJ4gEbbp9+WZPvlGabq9CWRjhV2oF+VMnJwX1 sHVUhPgLs3LrotuScsGFS2P72uNmHx/YbRA5hccEZZI5XegOsEMuZty1AaidCBIIDOUn/eKl9rjRN UhyYiil1J2YV0UINjd/w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qj9mQ-004pFZ-2Y; Thu, 21 Sep 2023 02:51:02 +0000 Received: from 60-248-80-70.hinet-ip.hinet.net ([60.248.80.70] helo=Atcsqr.andestech.com) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qj9mN-004pDa-2t for linux-riscv@lists.infradead.org; Thu, 21 Sep 2023 02:51:01 +0000 Received: from mail.andestech.com (ATCPCS16.andestech.com [10.0.1.222]) by Atcsqr.andestech.com with ESMTP id 38L2oi9T059298; Thu, 21 Sep 2023 10:50:44 +0800 (+08) (envelope-from peterlin@andestech.com) Received: from atctrx.andestech.com (10.0.15.173) by ATCPCS16.andestech.com (10.0.1.222) with Microsoft SMTP Server id 14.3.498.0; Thu, 21 Sep 2023 10:50:39 +0800 From: Yu Chien Peter Lin To: , , , , , , , , CC: , Yu Chien Peter Lin Subject: [PATCH v4 3/3] riscv: Introduce NAPOT field to PTDUMP Date: Thu, 21 Sep 2023 10:50:22 +0800 Message-ID: <20230921025022.3989723-4-peterlin@andestech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230921025022.3989723-1-peterlin@andestech.com> References: <20230921025022.3989723-1-peterlin@andestech.com> MIME-Version: 1.0 X-Originating-IP: [10.0.15.173] X-DNSRBL: X-MAIL: Atcsqr.andestech.com 38L2oi9T059298 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230920_195100_376951_3D7EE4D1 X-CRM114-Status: UNSURE ( 9.02 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org This patch introduces the NAPOT field to PTDUMP, allowing it to display the letter "N" for pages that have the 63rd bit set. Signed-off-by: Yu Chien Peter Lin Reviewed-by: Alexandre Ghiti Tested-by: Alexandre Ghiti --- Changes v1 -> v3 - no change Changes v3 -> v4 - Include Alexandre's RB/TB-tags --- arch/riscv/mm/ptdump.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c index 13997cf3fe36..b71f08b91e53 100644 --- a/arch/riscv/mm/ptdump.c +++ b/arch/riscv/mm/ptdump.c @@ -136,6 +136,10 @@ struct prot_bits { static const struct prot_bits pte_bits[] = { { #ifdef CONFIG_64BIT + .mask = _PAGE_NAPOT, + .set = "N", + .clear = ".", + }, { .mask = _PAGE_MTMASK_SVPBMT, .set = "MT(%s)", .clear = " .. ",