From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 34214C4332E for ; Mon, 23 Mar 2020 09:42:19 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 03045206F8 for ; Mon, 23 Mar 2020 09:42:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=xen.org header.i=@xen.org header.b="Hcr9YcN2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 03045206F8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xen.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jGJas-0004JM-Fr; Mon, 23 Mar 2020 09:42:02 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jGJaq-0004IZ-VH for xen-devel@lists.xenproject.org; Mon, 23 Mar 2020 09:42:00 +0000 X-Inumbo-ID: 89d5fe5e-6cea-11ea-8292-12813bfff9fa Received: from mail.xenproject.org (unknown [104.130.215.37]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 89d5fe5e-6cea-11ea-8292-12813bfff9fa; Mon, 23 Mar 2020 09:41:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xen.org; s=20200302mail; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Sender:Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=Op5RGEgTJYxinE1ReyG8HNPBZtOGMQ5zAHn/J1yOVxw=; b=Hcr9YcN2vHhvzpFR1m6ije9uQN 8M6D2Q36j7iUm6F3tnFM34Uzoz3bR1aVPmz8kGg9giBjLU1RFcKYtWTWxdrBOnQoNcBYdn6suxDQ8 qy5sODnVBS4n01z0ZegvG08CADEO+RBllFeKjKhZUBFXqnh1fANZdpDgsxeFjHvDsY+0=; Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jGJan-00006Z-JH; Mon, 23 Mar 2020 09:41:57 +0000 Received: from 54-240-197-235.amazon.com ([54.240.197.235] helo=u1bbd043a57dd5a.ant.amazon.com) by xenbits.xenproject.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1jGJan-00041e-9M; Mon, 23 Mar 2020 09:41:57 +0000 From: Hongyan Xia To: xen-devel@lists.xenproject.org Date: Mon, 23 Mar 2020 09:41:39 +0000 Message-Id: <9b46a0bae03107fcb192e6590234b9e882965f11.1584955616.git.hongyxia@amazon.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: Subject: [Xen-devel] [PATCH 2/5] x86_64/mm: map and unmap page tables in m2p_mapped X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Andrew Cooper , Wei Liu , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" RnJvbTogV2VpIExpdSA8d2VpLmxpdTJAY2l0cml4LmNvbT4KClNpZ25lZC1vZmYtYnk6IFdlaSBM aXUgPHdlaS5saXUyQGNpdHJpeC5jb20+ClJldmlld2VkLWJ5OiBIb25neWFuIFhpYSA8aG9uZ3l4 aWFAYW1hem9uLmNvbT4KLS0tCiB4ZW4vYXJjaC94ODYveDg2XzY0L21tLmMgfCAxOCArKysrKysr KysrKystLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAxMiBpbnNlcnRpb25zKCspLCA2IGRlbGV0aW9u cygtKQoKZGlmZiAtLWdpdCBhL3hlbi9hcmNoL3g4Ni94ODZfNjQvbW0uYyBiL3hlbi9hcmNoL3g4 Ni94ODZfNjQvbW0uYwppbmRleCBiN2NlODMzZmZjLi5hNDQwZGFjMjVlIDEwMDY0NAotLS0gYS94 ZW4vYXJjaC94ODYveDg2XzY0L21tLmMKKysrIGIveGVuL2FyY2gveDg2L3g4Nl82NC9tbS5jCkBA IC0xMzEsMjcgKzEzMSwzMyBAQCBzdGF0aWMgaW50IG0ycF9tYXBwZWQodW5zaWduZWQgbG9uZyBz cGZuKQogICAgIHVuc2lnbmVkIGxvbmcgdmE7CiAgICAgbDNfcGdlbnRyeV90ICpsM19yb19tcHQ7 CiAgICAgbDJfcGdlbnRyeV90ICpsMl9yb19tcHQ7CisgICAgaW50IHJjID0gTTJQX05PX01BUFBF RDsKIAogICAgIHZhID0gUk9fTVBUX1ZJUlRfU1RBUlQgKyBzcGZuICogc2l6ZW9mKCptYWNoaW5l X3RvX3BoeXNfbWFwcGluZyk7Ci0gICAgbDNfcm9fbXB0ID0gbDRlX3RvX2wzZShpZGxlX3BnX3Rh YmxlW2w0X3RhYmxlX29mZnNldCh2YSldKTsKKyAgICBsM19yb19tcHQgPSBtYXBfbDN0X2Zyb21f bDRlKGlkbGVfcGdfdGFibGVbbDRfdGFibGVfb2Zmc2V0KHZhKV0pOwogCiAgICAgc3dpdGNoICgg bDNlX2dldF9mbGFncyhsM19yb19tcHRbbDNfdGFibGVfb2Zmc2V0KHZhKV0pICYKICAgICAgICAg ICAgICAoX1BBR0VfUFJFU0VOVCB8X1BBR0VfUFNFKSkKICAgICB7CiAgICAgICAgIGNhc2UgX1BB R0VfUFNFfF9QQUdFX1BSRVNFTlQ6Ci0gICAgICAgICAgICByZXR1cm4gTTJQXzFHX01BUFBFRDsK KyAgICAgICAgICAgIHJjID0gTTJQXzFHX01BUFBFRDsKKyAgICAgICAgICAgIGdvdG8gb3V0Owog ICAgICAgICAvKiBDaGVjayBmb3IgbmV4dCBsZXZlbCAqLwogICAgICAgICBjYXNlIF9QQUdFX1BS RVNFTlQ6CiAgICAgICAgICAgICBicmVhazsKICAgICAgICAgZGVmYXVsdDoKLSAgICAgICAgICAg IHJldHVybiBNMlBfTk9fTUFQUEVEOworICAgICAgICAgICAgcmMgPSBNMlBfTk9fTUFQUEVEOwor ICAgICAgICAgICAgZ290byBvdXQ7CiAgICAgfQotICAgIGwyX3JvX21wdCA9IGwzZV90b19sMmUo bDNfcm9fbXB0W2wzX3RhYmxlX29mZnNldCh2YSldKTsKKyAgICBsMl9yb19tcHQgPSBtYXBfbDJ0 X2Zyb21fbDNlKGwzX3JvX21wdFtsM190YWJsZV9vZmZzZXQodmEpXSk7CiAKICAgICBpZiAobDJl X2dldF9mbGFncyhsMl9yb19tcHRbbDJfdGFibGVfb2Zmc2V0KHZhKV0pICYgX1BBR0VfUFJFU0VO VCkKLSAgICAgICAgcmV0dXJuIE0yUF8yTV9NQVBQRUQ7CisgICAgICAgIHJjID0gTTJQXzJNX01B UFBFRDsKKyAgICBVTk1BUF9ET01BSU5fUEFHRShsMl9yb19tcHQpOwogCi0gICAgcmV0dXJuIE0y UF9OT19NQVBQRUQ7Cisgb3V0OgorICAgIFVOTUFQX0RPTUFJTl9QQUdFKGwzX3JvX21wdCk7Cisg ICAgcmV0dXJuIHJjOwogfQogCiBzdGF0aWMgaW50IHNoYXJlX2hvdGFkZF9tMnBfdGFibGUoc3Ry dWN0IG1lbV9ob3RhZGRfaW5mbyAqaW5mbykKLS0gCjIuMjQuMS5BTVpOCgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlz dApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==