From patchwork Tue Apr 27 20:42:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu-cheng Yu X-Patchwork-Id: 12227241 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=-16.8 required=3.0 tests=BAYES_00, 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 558D8C433B4 for ; Tue, 27 Apr 2021 20:44:31 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id DF43C61410 for ; Tue, 27 Apr 2021 20:44:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DF43C61410 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id A50B96B0075; Tue, 27 Apr 2021 16:44:14 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9C5756B007E; Tue, 27 Apr 2021 16:44:14 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 756726B0075; Tue, 27 Apr 2021 16:44:14 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0132.hostedemail.com [216.40.44.132]) by kanga.kvack.org (Postfix) with ESMTP id E285B6B007E for ; Tue, 27 Apr 2021 16:44:13 -0400 (EDT) Received: from smtpin11.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id A7C958249980 for ; Tue, 27 Apr 2021 20:44:13 +0000 (UTC) X-FDA: 78079324386.11.63E78E7 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by imf10.hostedemail.com (Postfix) with ESMTP id DB7CA40002F5 for ; Tue, 27 Apr 2021 20:44:02 +0000 (UTC) IronPort-SDR: pHY3/nPSL56lpkRbp2nqcWIxyGIg2Sw3NwhZ0OLm/MOnhTp37S/8YBSlKG0QGB8cv1NCS7APPw MPupxlnEts1g== X-IronPort-AV: E=McAfee;i="6200,9189,9967"; a="194473663" X-IronPort-AV: E=Sophos;i="5.82,255,1613462400"; d="scan'208";a="194473663" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Apr 2021 13:44:12 -0700 IronPort-SDR: fhIQad1STiOfMO1Xl7m7hbTbq5zRyOnKXEPM5z/eyo+DYYh0yiHi5PmW/8xS+Hul1JCotpf8Kf rUsRrFJTFOzA== X-IronPort-AV: E=Sophos;i="5.82,255,1613462400"; d="scan'208";a="465623473" Received: from yyu32-desk.sc.intel.com ([143.183.136.146]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Apr 2021 13:44:11 -0700 From: Yu-cheng Yu To: x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Borislav Petkov , Cyrill Gorcunov , Dave Hansen , Eugene Syromiatnikov , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , Randy Dunlap , "Ravi V. Shankar" , Vedvyas Shanbhogue , Dave Martin , Weijiang Yang , Pengfei Xu , Haitao Huang Cc: Yu-cheng Yu , "Kirill A . Shutemov" , David Airlie , Joonas Lahtinen , Jani Nikula , Daniel Vetter , Rodrigo Vivi , Zhenyu Wang , Zhi Wang Subject: [PATCH v26 10/30] drm/i915/gvt: Change _PAGE_DIRTY to _PAGE_DIRTY_BITS Date: Tue, 27 Apr 2021 13:42:55 -0700 Message-Id: <20210427204315.24153-11-yu-cheng.yu@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20210427204315.24153-1-yu-cheng.yu@intel.com> References: <20210427204315.24153-1-yu-cheng.yu@intel.com> MIME-Version: 1.0 X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: DB7CA40002F5 X-Stat-Signature: 186j9j53ro374axu3jsa9rgypcgbisx4 Received-SPF: none (intel.com>: No applicable sender policy available) receiver=imf10; identity=mailfrom; envelope-from=""; helo=mga04.intel.com; client-ip=192.55.52.120 X-HE-DKIM-Result: none/none X-HE-Tag: 1619556242-1955 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: After the introduction of _PAGE_COW, a modified page's PTE can have either _PAGE_DIRTY or _PAGE_COW. Change _PAGE_DIRTY to _PAGE_DIRTY_BITS. Signed-off-by: Yu-cheng Yu Reviewed-by: Kees Cook Reviewed-by: Kirill A. Shutemov Cc: David Airlie Cc: Joonas Lahtinen Cc: Jani Nikula Cc: Daniel Vetter Cc: Rodrigo Vivi Cc: Zhenyu Wang Cc: Zhi Wang --- drivers/gpu/drm/i915/gvt/gtt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index 897c007ea96a..937b6083b2dc 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -1216,7 +1216,7 @@ static int split_2MB_gtt_entry(struct intel_vgpu *vgpu, } /* Clear dirty field. */ - se->val64 &= ~_PAGE_DIRTY; + se->val64 &= ~_PAGE_DIRTY_BITS; ops->clear_pse(se); ops->clear_ips(se);