From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: [PATCH RFC 04/13] x86/mm: carve out create_grant_pv_mapping Date: Mon, 27 Mar 2017 10:10:50 +0100 Message-ID: <20170327091059.8452-5-wei.liu2@citrix.com> References: <20170327091059.8452-1-wei.liu2@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1csQg6-0006Ll-GF for xen-devel@lists.xenproject.org; Mon, 27 Mar 2017 09:11:06 +0000 In-Reply-To: <20170327091059.8452-1-wei.liu2@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Xen-devel Cc: George Dunlap , Andrew Cooper , Tim Deegan , Wei Liu , Jan Beulich List-Id: xen-devel@lists.xenproject.org V2Ugd2lsbCBsYXRlciBzcGxpdCBvdXQgUFYgc3BlY2lmaWMgY29kZSB0byBwdi9tbS5jLgoKTm8g ZnVuY3Rpb25hbCBjaGFuZ2UuCgpTaWduZWQtb2ZmLWJ5OiBXZWkgTGl1IDx3ZWkubGl1MkBjaXRy aXguY29tPgotLS0KIHhlbi9hcmNoL3g4Ni9tbS5jIHwgMTYgKysrKysrKysrKystLS0tLQogMSBm aWxlIGNoYW5nZWQsIDExIGluc2VydGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0 IGEveGVuL2FyY2gveDg2L21tLmMgYi94ZW4vYXJjaC94ODYvbW0uYwppbmRleCA0YmY5NDIyN2Nj Li5iNDRkNDRjNzgyIDEwMDY0NAotLS0gYS94ZW4vYXJjaC94ODYvbW0uYworKysgYi94ZW4vYXJj aC94ODYvbW0uYwpAQCAtNDI0MiwxNSArNDI0MiwxMiBAQCBzdGF0aWMgaW50IGNyZWF0ZV9ncmFu dF9wMm1fbWFwcGluZyh1aW50NjRfdCBhZGRyLCB1bnNpZ25lZCBsb25nIGZyYW1lLAogICAgICAg ICByZXR1cm4gR05UU1Rfb2theTsKIH0KIAotaW50IGNyZWF0ZV9ncmFudF9ob3N0X21hcHBpbmco dWludDY0X3QgYWRkciwgdW5zaWduZWQgbG9uZyBmcmFtZSwgCi0gICAgICAgICAgICAgICAgICAg ICAgICAgICAgICB1bnNpZ25lZCBpbnQgZmxhZ3MsIHVuc2lnbmVkIGludCBjYWNoZV9mbGFncykK K3N0YXRpYyBpbnQgY3JlYXRlX2dyYW50X3B2X21hcHBpbmcodWludDY0X3QgYWRkciwgdW5zaWdu ZWQgbG9uZyBmcmFtZSwKKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgdW5zaWdu ZWQgaW50IGZsYWdzLCB1bnNpZ25lZCBpbnQgY2FjaGVfZmxhZ3MpCiB7CiAgICAgbDFfcGdlbnRy eV90IHB0ZTsKICAgICB1aW50MzJfdCBncmFudF9wdGVfZmxhZ3M7CiAKLSAgICBpZiAoIHBhZ2lu Z19tb2RlX2V4dGVybmFsKGN1cnJlbnQtPmRvbWFpbikgKQotICAgICAgICByZXR1cm4gY3JlYXRl X2dyYW50X3AybV9tYXBwaW5nKGFkZHIsIGZyYW1lLCBmbGFncywgY2FjaGVfZmxhZ3MpOwotCiAg ICAgZ3JhbnRfcHRlX2ZsYWdzID0KICAgICAgICAgX1BBR0VfUFJFU0VOVCB8IF9QQUdFX0FDQ0VT U0VEIHwgX1BBR0VfRElSVFkgfCBfUEFHRV9HTlRUQUI7CiAgICAgaWYgKCBjcHVfaGFzX254ICkK QEAgLTQyNzMsNiArNDI3MCwxNSBAQCBpbnQgY3JlYXRlX2dyYW50X2hvc3RfbWFwcGluZyh1aW50 NjRfdCBhZGRyLCB1bnNpZ25lZCBsb25nIGZyYW1lLAogICAgIHJldHVybiBjcmVhdGVfZ3JhbnRf dmFfbWFwcGluZyhhZGRyLCBwdGUsIGN1cnJlbnQpOwogfQogCitpbnQgY3JlYXRlX2dyYW50X2hv c3RfbWFwcGluZyh1aW50NjRfdCBhZGRyLCB1bnNpZ25lZCBsb25nIGZyYW1lLAorICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgdW5zaWduZWQgaW50IGZsYWdzLCB1bnNpZ25lZCBpbnQgY2Fj aGVfZmxhZ3MpCit7CisgICAgaWYgKCBwYWdpbmdfbW9kZV9leHRlcm5hbChjdXJyZW50LT5kb21h aW4pICkKKyAgICAgICAgcmV0dXJuIGNyZWF0ZV9ncmFudF9wMm1fbWFwcGluZyhhZGRyLCBmcmFt ZSwgZmxhZ3MsIGNhY2hlX2ZsYWdzKTsKKworICAgIHJldHVybiBjcmVhdGVfZ3JhbnRfcHZfbWFw cGluZyhhZGRyLCBmcmFtZSwgZmxhZ3MsIGNhY2hlX2ZsYWdzKTsKK30KKwogc3RhdGljIGludCBy ZXBsYWNlX2dyYW50X3AybV9tYXBwaW5nKAogICAgIHVpbnQ2NF90IGFkZHIsIHVuc2lnbmVkIGxv bmcgZnJhbWUsIHVpbnQ2NF90IG5ld19hZGRyLCB1bnNpZ25lZCBpbnQgZmxhZ3MpCiB7Ci0tIAoy LjExLjAKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpY ZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlz dHMueGVuLm9yZy94ZW4tZGV2ZWwK