From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: [PATCH MM-PART3 v2 11/12] xen/arm: mm: Don't open-code Xen PT update in {set, clear}_fixmap() Date: Tue, 14 May 2019 13:31:24 +0100 Message-ID: <20190514123125.29086-12-julien.grall@arm.com> References: <20190514123125.29086-1-julien.grall@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: 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 1hQWay-0005U8-LN for xen-devel@lists.xenproject.org; Tue, 14 May 2019 12:31:48 +0000 In-Reply-To: <20190514123125.29086-1-julien.grall@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org Cc: Oleksandr_Tyshchenko@epam.com, Julien Grall , Stefano Stabellini , Andrii Anisov List-Id: xen-devel@lists.xenproject.org e3NldCwgY2xlYXJ9X2ZpeG1hcCgpIGFyZSBjdXJyZW50bHkgb3Blbi1jb2RpbmcgdXBkYXRlIHRv IHRoZSBYZW4KcGFnZS10YWJsZXMuIFRoaXMgY2FuIGJlIGF2b2lkZWQgYnkgdXNpbmcgdGhlIGdl bmVyaWMgaGVscGVycwptYXBfcGFnZXNfdG9feGVuKCkgYW5kIGRlc3Ryb3lfeGVuX21hcHBpbmdz KCkuCgpCb3RoIGZ1bmN0aW9uIGFyZSBub3QgbWVhbnQgdG8gZmFpbCBmb3IgZml4bWFwLCBoZW5j ZSB0aGUgQlVHX09OKCkKY2hlY2tpbmcgdGhlIHJldHVybi4KClNpZ25lZC1vZmYtYnk6IEp1bGll biBHcmFsbCA8anVsaWVuLmdyYWxsQGFybS5jb20+ClJldmlld2VkLWJ5OiBBbmRyaWkgQW5pc292 IDxhbmRyaWlfYW5pc292QGVwYW0uY29tPgoKLS0tCiAgICBDaGFuZ2VzIGluIHYyOgogICAgICAg IC0gQWRkIEFuZHJpaSdzIHJldmlld2VkLWJ5Ci0tLQogeGVuL2FyY2gvYXJtL21tLmMgfCAxNiAr KysrKysrKy0tLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgOCBpbnNlcnRpb25zKCspLCA4IGRlbGV0 aW9ucygtKQoKZGlmZiAtLWdpdCBhL3hlbi9hcmNoL2FybS9tbS5jIGIveGVuL2FyY2gvYXJtL21t LmMKaW5kZXggOWE0MDc1NGY0NC4uMjNjYTYxZThmMCAxMDA2NDQKLS0tIGEveGVuL2FyY2gvYXJt L21tLmMKKysrIGIveGVuL2FyY2gvYXJtL21tLmMKQEAgLTM0OCwxOSArMzQ4LDE5IEBAIHN0YXRp YyBpbmxpbmUgbHBhZV90IG1mbl90b194ZW5fZW50cnkobWZuX3QgbWZuLCB1bnNpZ25lZCBhdHRy KQogLyogTWFwIGEgNGsgcGFnZSBpbiBhIGZpeG1hcCBlbnRyeSAqLwogdm9pZCBzZXRfZml4bWFw KHVuc2lnbmVkIG1hcCwgbWZuX3QgbWZuLCB1bnNpZ25lZCBpbnQgZmxhZ3MpCiB7Ci0gICAgbHBh ZV90IHB0ZSA9IG1mbl90b194ZW5fZW50cnkobWZuLCBQQUdFX0FJX01BU0soZmxhZ3MpKTsKLSAg ICBwdGUucHQudGFibGUgPSAxOyAvKiA0ayBtYXBwaW5ncyBhbHdheXMgaGF2ZSB0aGlzIGJpdCBz ZXQgKi8KLSAgICBwdGUucHQueG4gPSAxOwotICAgIHdyaXRlX3B0ZSh4ZW5fZml4bWFwICsgdGhp cmRfdGFibGVfb2Zmc2V0KEZJWE1BUF9BRERSKG1hcCkpLCBwdGUpOwotICAgIGZsdXNoX3hlbl90 bGJfcmFuZ2VfdmEoRklYTUFQX0FERFIobWFwKSwgUEFHRV9TSVpFKTsKKyAgICBpbnQgcmVzOwor CisgICAgcmVzID0gbWFwX3BhZ2VzX3RvX3hlbihGSVhNQVBfQUREUihtYXApLCBtZm4sIDEsIGZs YWdzKTsKKyAgICBCVUdfT04ocmVzICE9IDApOwogfQogCiAvKiBSZW1vdmUgYSBtYXBwaW5nIGZy b20gYSBmaXhtYXAgZW50cnkgKi8KIHZvaWQgY2xlYXJfZml4bWFwKHVuc2lnbmVkIG1hcCkKIHsK LSAgICBscGFlX3QgcHRlID0gezB9OwotICAgIHdyaXRlX3B0ZSh4ZW5fZml4bWFwICsgdGhpcmRf dGFibGVfb2Zmc2V0KEZJWE1BUF9BRERSKG1hcCkpLCBwdGUpOwotICAgIGZsdXNoX3hlbl90bGJf cmFuZ2VfdmEoRklYTUFQX0FERFIobWFwKSwgUEFHRV9TSVpFKTsKKyAgICBpbnQgcmVzOworCisg ICAgcmVzID0gZGVzdHJveV94ZW5fbWFwcGluZ3MoRklYTUFQX0FERFIobWFwKSwgRklYTUFQX0FE RFIobWFwKSArIFBBR0VfU0laRSk7CisgICAgQlVHX09OKHJlcyAhPSAwKTsKIH0KIAogLyogQ3Jl YXRlIFhlbidzIG1hcHBpbmdzIG9mIG1lbW9yeS4KLS0gCjIuMTEuMAoKCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QK WGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5v cmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw= 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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 AED05C04AB4 for ; 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Tue, 14 May 2019 12:31:47 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 5E11C341; Tue, 14 May 2019 05:31:47 -0700 (PDT) Received: from e108454-lin.cambridge.arm.com (e108454-lin.cambridge.arm.com [10.1.196.50]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 2ACDC3F71E; Tue, 14 May 2019 05:31:46 -0700 (PDT) From: Julien Grall To: xen-devel@lists.xenproject.org Date: Tue, 14 May 2019 13:31:24 +0100 Message-Id: <20190514123125.29086-12-julien.grall@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190514123125.29086-1-julien.grall@arm.com> References: <20190514123125.29086-1-julien.grall@arm.com> Subject: [Xen-devel] [PATCH MM-PART3 v2 11/12] xen/arm: mm: Don't open-code Xen PT update in {set, clear}_fixmap() 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: Oleksandr_Tyshchenko@epam.com, Julien Grall , Stefano Stabellini , Andrii Anisov 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" Message-ID: <20190514123124.lE0bJg_B4K8O3tlAtyNn9AZ7Z98jnDChLi8fapHko5A@z> e3NldCwgY2xlYXJ9X2ZpeG1hcCgpIGFyZSBjdXJyZW50bHkgb3Blbi1jb2RpbmcgdXBkYXRlIHRv IHRoZSBYZW4KcGFnZS10YWJsZXMuIFRoaXMgY2FuIGJlIGF2b2lkZWQgYnkgdXNpbmcgdGhlIGdl bmVyaWMgaGVscGVycwptYXBfcGFnZXNfdG9feGVuKCkgYW5kIGRlc3Ryb3lfeGVuX21hcHBpbmdz KCkuCgpCb3RoIGZ1bmN0aW9uIGFyZSBub3QgbWVhbnQgdG8gZmFpbCBmb3IgZml4bWFwLCBoZW5j ZSB0aGUgQlVHX09OKCkKY2hlY2tpbmcgdGhlIHJldHVybi4KClNpZ25lZC1vZmYtYnk6IEp1bGll biBHcmFsbCA8anVsaWVuLmdyYWxsQGFybS5jb20+ClJldmlld2VkLWJ5OiBBbmRyaWkgQW5pc292 IDxhbmRyaWlfYW5pc292QGVwYW0uY29tPgoKLS0tCiAgICBDaGFuZ2VzIGluIHYyOgogICAgICAg IC0gQWRkIEFuZHJpaSdzIHJldmlld2VkLWJ5Ci0tLQogeGVuL2FyY2gvYXJtL21tLmMgfCAxNiAr KysrKysrKy0tLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgOCBpbnNlcnRpb25zKCspLCA4IGRlbGV0 aW9ucygtKQoKZGlmZiAtLWdpdCBhL3hlbi9hcmNoL2FybS9tbS5jIGIveGVuL2FyY2gvYXJtL21t LmMKaW5kZXggOWE0MDc1NGY0NC4uMjNjYTYxZThmMCAxMDA2NDQKLS0tIGEveGVuL2FyY2gvYXJt L21tLmMKKysrIGIveGVuL2FyY2gvYXJtL21tLmMKQEAgLTM0OCwxOSArMzQ4LDE5IEBAIHN0YXRp YyBpbmxpbmUgbHBhZV90IG1mbl90b194ZW5fZW50cnkobWZuX3QgbWZuLCB1bnNpZ25lZCBhdHRy KQogLyogTWFwIGEgNGsgcGFnZSBpbiBhIGZpeG1hcCBlbnRyeSAqLwogdm9pZCBzZXRfZml4bWFw KHVuc2lnbmVkIG1hcCwgbWZuX3QgbWZuLCB1bnNpZ25lZCBpbnQgZmxhZ3MpCiB7Ci0gICAgbHBh ZV90IHB0ZSA9IG1mbl90b194ZW5fZW50cnkobWZuLCBQQUdFX0FJX01BU0soZmxhZ3MpKTsKLSAg ICBwdGUucHQudGFibGUgPSAxOyAvKiA0ayBtYXBwaW5ncyBhbHdheXMgaGF2ZSB0aGlzIGJpdCBz ZXQgKi8KLSAgICBwdGUucHQueG4gPSAxOwotICAgIHdyaXRlX3B0ZSh4ZW5fZml4bWFwICsgdGhp cmRfdGFibGVfb2Zmc2V0KEZJWE1BUF9BRERSKG1hcCkpLCBwdGUpOwotICAgIGZsdXNoX3hlbl90 bGJfcmFuZ2VfdmEoRklYTUFQX0FERFIobWFwKSwgUEFHRV9TSVpFKTsKKyAgICBpbnQgcmVzOwor CisgICAgcmVzID0gbWFwX3BhZ2VzX3RvX3hlbihGSVhNQVBfQUREUihtYXApLCBtZm4sIDEsIGZs YWdzKTsKKyAgICBCVUdfT04ocmVzICE9IDApOwogfQogCiAvKiBSZW1vdmUgYSBtYXBwaW5nIGZy b20gYSBmaXhtYXAgZW50cnkgKi8KIHZvaWQgY2xlYXJfZml4bWFwKHVuc2lnbmVkIG1hcCkKIHsK LSAgICBscGFlX3QgcHRlID0gezB9OwotICAgIHdyaXRlX3B0ZSh4ZW5fZml4bWFwICsgdGhpcmRf dGFibGVfb2Zmc2V0KEZJWE1BUF9BRERSKG1hcCkpLCBwdGUpOwotICAgIGZsdXNoX3hlbl90bGJf cmFuZ2VfdmEoRklYTUFQX0FERFIobWFwKSwgUEFHRV9TSVpFKTsKKyAgICBpbnQgcmVzOworCisg ICAgcmVzID0gZGVzdHJveV94ZW5fbWFwcGluZ3MoRklYTUFQX0FERFIobWFwKSwgRklYTUFQX0FE RFIobWFwKSArIFBBR0VfU0laRSk7CisgICAgQlVHX09OKHJlcyAhPSAwKTsKIH0KIAogLyogQ3Jl YXRlIFhlbidzIG1hcHBpbmdzIG9mIG1lbW9yeS4KLS0gCjIuMTEuMAoKCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QK WGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5v cmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=