From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: [PATCH 5/6] x86/shadow: Clean up the MMIO fastpath helpers Date: Wed, 15 Aug 2018 19:34:36 +0100 Message-ID: <1534358077-24700-6-git-send-email-andrew.cooper3@citrix.com> References: <1534358077-24700-1-git-send-email-andrew.cooper3@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1534358077-24700-1-git-send-email-andrew.cooper3@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Xen-devel Cc: Andrew Cooper , Tim Deegan , Wei Liu , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= List-Id: xen-devel@lists.xenproject.org VXNlIGJvb2wgd2hlbiBhcHByb3ByYWl0ZSwgcmVtb3ZlIGV4dHJhbmlvdXMgYnJhY2tldHMgYW5k IGZpeCB1cCBjb21tZW50CnN0eWxlLgoKTm8gZnVuY3Rpb25hbCBjaGFuZ2UuCgpTaWduZWQtb2Zm LWJ5OiBBbmRyZXcgQ29vcGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPgotLS0KQ0M6IEph biBCZXVsaWNoIDxKQmV1bGljaEBzdXNlLmNvbT4KQ0M6IFRpbSBEZWVnYW4gPHRpbUB4ZW4ub3Jn PgpDQzogV2VpIExpdSA8d2VpLmxpdTJAY2l0cml4LmNvbT4KQ0M6IFJvZ2VyIFBhdSBNb25uw6kg PHJvZ2VyLnBhdUBjaXRyaXguY29tPgotLS0KIHhlbi9hcmNoL3g4Ni9tbS9zaGFkb3cvdHlwZXMu aCB8IDIyICsrKysrKysrKysrKy0tLS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAxMiBpbnNlcnRp b25zKCspLCAxMCBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS94ZW4vYXJjaC94ODYvbW0vc2hh ZG93L3R5cGVzLmggYi94ZW4vYXJjaC94ODYvbW0vc2hhZG93L3R5cGVzLmgKaW5kZXggOGMwYzgw Mi4uZDUwOTY3NCAxMDA2NDQKLS0tIGEveGVuL2FyY2gveDg2L21tL3NoYWRvdy90eXBlcy5oCisr KyBiL3hlbi9hcmNoL3g4Ni9tbS9zaGFkb3cvdHlwZXMuaApAQCAtMjk0LDkgKzI5NCw5IEBAIHZv aWQgc2hfZGVzdHJveV9tb25pdG9yX3RhYmxlKHN0cnVjdCB2Y3B1ICp2LCBtZm5fdCBtbWZuKTsK ICAqLwogCiAjZGVmaW5lIFNIX0wxRV9NQUdJQyAweGZmZmZmZmZmMDAwMDAwMDFVTEwKLXN0YXRp YyBpbmxpbmUgaW50IHNoX2wxZV9pc19tYWdpYyhzaGFkb3dfbDFlX3Qgc2wxZSkKK3N0YXRpYyBp bmxpbmUgYm9vbCBzaF9sMWVfaXNfbWFnaWMoc2hhZG93X2wxZV90IHNsMWUpCiB7Ci0gICAgcmV0 dXJuICgoc2wxZS5sMSAmIFNIX0wxRV9NQUdJQykgPT0gU0hfTDFFX01BR0lDKTsKKyAgICByZXR1 cm4gKHNsMWUubDEgJiBTSF9MMUVfTUFHSUMpID09IFNIX0wxRV9NQUdJQzsKIH0KIAogLyogR3Vl c3Qgbm90IHByZXNlbnQ6IGEgc2luZ2xlIG1hZ2ljIHZhbHVlICovCkBAIC0zMDUsMTUgKzMwNSwx NyBAQCBzdGF0aWMgaW5saW5lIHNoYWRvd19sMWVfdCBzaF9sMWVfZ25wKHZvaWQpCiAgICAgcmV0 dXJuIChzaGFkb3dfbDFlX3QpeyAtMVVMTCB9OwogfQogCi1zdGF0aWMgaW5saW5lIGludCBzaF9s MWVfaXNfZ25wKHNoYWRvd19sMWVfdCBzbDFlKQorc3RhdGljIGlubGluZSBib29sIHNoX2wxZV9p c19nbnAoc2hhZG93X2wxZV90IHNsMWUpCiB7Ci0gICAgcmV0dXJuIChzbDFlLmwxID09IHNoX2wx ZV9nbnAoKS5sMSk7CisgICAgcmV0dXJuIHNsMWUubDEgPT0gc2hfbDFlX2ducCgpLmwxOwogfQog Ci0vKiBNTUlPOiBhbiBpbnZhbGlkIFBURSB0aGF0IGNvbnRhaW5zIHRoZSBHRk4gb2YgdGhlIGVx dWl2YWxlbnQgZ3Vlc3QgbDFlLgorLyoKKyAqIE1NSU86IGFuIGludmFsaWQgUFRFIHRoYXQgY29u dGFpbnMgdGhlIEdGTiBvZiB0aGUgZXF1aXZhbGVudCBndWVzdCBsMWUuCiAgKiBXZSBzdG9yZSAy OCBiaXRzIG9mIEdGTiBpbiBiaXRzIDQ6MzIgb2YgdGhlIGVudHJ5LgogICogVGhlIHByZXNlbnQg Yml0IGlzIHNldCwgYW5kIHRoZSBVL1MgYW5kIFIvVyBiaXRzIGFyZSB0YWtlbiBmcm9tIHRoZSBn dWVzdC4KLSAqIEJpdCAzIGlzIGFsd2F5cyAwLCB0byBkaWZmZXJlbnRpYXRlIGZyb20gZ25wIGFi b3ZlLiAgKi8KKyAqIEJpdCAzIGlzIGFsd2F5cyAwLCB0byBkaWZmZXJlbnRpYXRlIGZyb20gZ25w IGFib3ZlLgorICovCiAjZGVmaW5lIFNIX0wxRV9NTUlPX01BR0lDICAgICAgIDB4ZmZmZmZmZmYw MDAwMDAwMVVMTAogI2RlZmluZSBTSF9MMUVfTU1JT19NQUdJQ19NQVNLICAweGZmZmZmZmZmMDAw MDAwMDlVTEwKICNkZWZpbmUgU0hfTDFFX01NSU9fR0ZOX01BU0sgICAgMHgwMDAwMDAwMGZmZmZm ZmYwVUxMCkBAIC0zMjUsOSArMzI3LDkgQEAgc3RhdGljIGlubGluZSBzaGFkb3dfbDFlX3Qgc2hf bDFlX21taW8oZ2ZuX3QgZ2ZuLCB1MzIgZ2ZsYWdzKQogICAgICAgICAgICAgICAgICAgICAgICAg ICAgICB8IChnZmxhZ3MgJiAoX1BBR0VfVVNFUnxfUEFHRV9SVykpKSB9OwogfQogCi1zdGF0aWMg aW5saW5lIGludCBzaF9sMWVfaXNfbW1pbyhzaGFkb3dfbDFlX3Qgc2wxZSkKK3N0YXRpYyBpbmxp bmUgYm9vbCBzaF9sMWVfaXNfbW1pbyhzaGFkb3dfbDFlX3Qgc2wxZSkKIHsKLSAgICByZXR1cm4g KChzbDFlLmwxICYgU0hfTDFFX01NSU9fTUFHSUNfTUFTSykgPT0gU0hfTDFFX01NSU9fTUFHSUMp OworICAgIHJldHVybiAoc2wxZS5sMSAmIFNIX0wxRV9NTUlPX01BR0lDX01BU0spID09IFNIX0wx RV9NTUlPX01BR0lDOwogfQogCiBzdGF0aWMgaW5saW5lIGdmbl90IHNoX2wxZV9tbWlvX2dldF9n Zm4oc2hhZG93X2wxZV90IHNsMWUpCkBAIC0zMzUsOSArMzM3LDkgQEAgc3RhdGljIGlubGluZSBn Zm5fdCBzaF9sMWVfbW1pb19nZXRfZ2ZuKHNoYWRvd19sMWVfdCBzbDFlKQogICAgIHJldHVybiBf Z2ZuKE1BU0tfRVhUUihzbDFlLmwxLCBTSF9MMUVfTU1JT19HRk5fTUFTSykpOwogfQogCi1zdGF0 aWMgaW5saW5lIHUzMiBzaF9sMWVfbW1pb19nZXRfZmxhZ3Moc2hhZG93X2wxZV90IHNsMWUpCitz dGF0aWMgaW5saW5lIHVpbnQzMl90IHNoX2wxZV9tbWlvX2dldF9mbGFncyhzaGFkb3dfbDFlX3Qg c2wxZSkKIHsKLSAgICByZXR1cm4gKHUzMikoKHNsMWUubDEgJiAoX1BBR0VfVVNFUnxfUEFHRV9S VykpKTsKKyAgICByZXR1cm4gc2wxZS5sMSAmIChfUEFHRV9VU0VSIHwgX1BBR0VfUlcpOwogfQog CiAjZWxzZQotLSAKMi4xLjQKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9q ZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVu LWRldmVs