From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: [PATCH RFC 48/55] x86_64/mm: map and unmap page tables in subarch_memory_op Date: Thu, 7 Feb 2019 16:44:49 +0000 Message-ID: <20190207164456.9260-49-wei.liu2@citrix.com> References: <20190207164456.9260-1-wei.liu2@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1grn0e-0000SJ-Rf for xen-devel@lists.xenproject.org; Thu, 07 Feb 2019 16:58:44 +0000 In-Reply-To: <20190207164456.9260-1-wei.liu2@citrix.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: Andrew Cooper , Wei Liu , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= List-Id: xen-devel@lists.xenproject.org U2lnbmVkLW9mZi1ieTogV2VpIExpdSA8d2VpLmxpdTJAY2l0cml4LmNvbT4KLS0tCiB4ZW4vYXJj aC94ODYveDg2XzY0L21tLmMgfCAxNSArKysrKysrKysrLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAx MCBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL3hlbi9hcmNoL3g4 Ni94ODZfNjQvbW0uYyBiL3hlbi9hcmNoL3g4Ni94ODZfNjQvbW0uYwppbmRleCA5ZGQyZWNhZDRh Li5jYWMwNmI3ODJkIDEwMDY0NAotLS0gYS94ZW4vYXJjaC94ODYveDg2XzY0L21tLmMKKysrIGIv eGVuL2FyY2gveDg2L3g4Nl82NC9tbS5jCkBAIC0xMDE1LDggKzEwMTUsOCBAQCB2b2lkIF9faW5p dCBzdWJhcmNoX2luaXRfbWVtb3J5KHZvaWQpCiBsb25nIHN1YmFyY2hfbWVtb3J5X29wKHVuc2ln bmVkIGxvbmcgY21kLCBYRU5fR1VFU1RfSEFORExFX1BBUkFNKHZvaWQpIGFyZykKIHsKICAgICBz dHJ1Y3QgeGVuX21hY2hwaHlzX21mbl9saXN0IHhtbWw7Ci0gICAgbDNfcGdlbnRyeV90IGwzZTsK LSAgICBsMl9wZ2VudHJ5X3QgbDJlOworICAgIGwzX3BnZW50cnlfdCBsM2UsICpsM3Q7CisgICAg bDJfcGdlbnRyeV90IGwyZSwgKmwydDsKICAgICB1bnNpZ25lZCBsb25nIHYsIGxpbWl0OwogICAg IHhlbl9wZm5fdCBtZm4sIGxhc3RfbWZuOwogICAgIHVuc2lnbmVkIGludCBpOwpAQCAtMTAzNSwx MyArMTAzNSwxOCBAQCBsb25nIHN1YmFyY2hfbWVtb3J5X29wKHVuc2lnbmVkIGxvbmcgY21kLCBY RU5fR1VFU1RfSEFORExFX1BBUkFNKHZvaWQpIGFyZykKICAgICAgICAgICAgICAgKHYgPCAodW5z aWduZWQgbG9uZykobWFjaGluZV90b19waHlzX21hcHBpbmcgKyBtYXhfcGFnZSkpOwogICAgICAg ICAgICAgICBpKyssIHYgKz0gMVVMIDw8IEwyX1BBR0VUQUJMRV9TSElGVCApCiAgICAgICAgIHsK LSAgICAgICAgICAgIGwzZSA9IGw0ZV90b19sM2UoaWRsZV9wZ190YWJsZVtsNF90YWJsZV9vZmZz ZXQodildKVsKLSAgICAgICAgICAgICAgICBsM190YWJsZV9vZmZzZXQodildOworICAgICAgICAg ICAgbDN0ID0gbWFwX3hlbl9wYWdldGFibGVfbmV3KAorICAgICAgICAgICAgICAgIGw0ZV9nZXRf bWZuKGlkbGVfcGdfdGFibGVbbDRfdGFibGVfb2Zmc2V0KHYpXSkpOworICAgICAgICAgICAgbDNl ID0gbDN0W2wzX3RhYmxlX29mZnNldCh2KV07CisgICAgICAgICAgICBVTk1BUF9YRU5fUEFHRVRB QkxFX05FVyhsM3QpOworCiAgICAgICAgICAgICBpZiAoICEobDNlX2dldF9mbGFncyhsM2UpICYg X1BBR0VfUFJFU0VOVCkgKQogICAgICAgICAgICAgICAgIG1mbiA9IGxhc3RfbWZuOwogICAgICAg ICAgICAgZWxzZSBpZiAoICEobDNlX2dldF9mbGFncyhsM2UpICYgX1BBR0VfUFNFKSApCiAgICAg ICAgICAgICB7Ci0gICAgICAgICAgICAgICAgbDJlID0gbDNlX3RvX2wyZShsM2UpW2wyX3RhYmxl X29mZnNldCh2KV07CisgICAgICAgICAgICAgICAgbDJ0ID0gbWFwX3hlbl9wYWdldGFibGVfbmV3 KGwzZV9nZXRfbWZuKGwzZSkpOworICAgICAgICAgICAgICAgIGwyZSA9IGwydFtsMl90YWJsZV9v ZmZzZXQodildOworICAgICAgICAgICAgICAgIFVOTUFQX1hFTl9QQUdFVEFCTEVfTkVXKGwydCk7 CiAgICAgICAgICAgICAgICAgaWYgKCBsMmVfZ2V0X2ZsYWdzKGwyZSkgJiBfUEFHRV9QUkVTRU5U ICkKICAgICAgICAgICAgICAgICAgICAgbWZuID0gbDJlX2dldF9wZm4obDJlKTsKICAgICAgICAg ICAgICAgICBlbHNlCi0tIAoyLjExLjAKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54 ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGlu Zm8veGVuLWRldmVs