From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peng Fan Subject: [PATCH V3 2/2] xen/arm: mm: clean up code in setup_pagetables Date: Thu, 12 May 2016 19:48:48 +0800 Message-ID: <1463053728-3624-2-git-send-email-van.freenix@gmail.com> References: <1463053728-3624-1-git-send-email-van.freenix@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1463053728-3624-1-git-send-email-van.freenix@gmail.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xen.org, julien.grall@arm.com, sstabellini@kernel.org Cc: van.freenix@gmail.com List-Id: xen-devel@lists.xenproject.org VGhlIGJhc2Ugb2YgYWRkcmVzcyBmb3IgdGhlIHJlbG9jYXRlZCB4ZW4gbmVlZHMgdG8gYmUgbWFw cGVkCmF0IHRoZSBzYW1lIHZpcnR1YWwgYWRkcmVzcyAoQk9PVF9SRUxPQ19WSVJUX1NUQVJUKSBp biBib3RoCnRoZSBib290IGFuZCBydW50aW1lIHBhZ2UgdGFibGVzLiBTbyB3ZSBjYW4gbWVyZ2Ug dGhlIHR3byBwaWVjZXMKb2YgY29kZSBpbnRvIG9uIGNvZGUgYmxvY2sKCkFsc28gbm8gbmVlZCB0 byB1c2Ugd3JpdGVfcHRlIHdoZW4gbWFwcGluZyBCT09UX1JFTE9DX1ZJUlRfU1RBUlQKaW4geGVu X3NlY29uZCwgYmVjYXVzZSBDUFUwIGlzIHVzaW5nIGJvb3QgcGFnZSB0YWJsZXMuCgpTaWduZWQt b2ZmLWJ5OiBQZW5nIEZhbiA8dmFuLmZyZWVuaXhAZ21haWwuY29tPgpDYzogU3RlZmFubyBTdGFi ZWxsaW5pIDxzc3RhYmVsbGluaUBrZXJuZWwub3JnPgpDYzogSnVsaWVuIEdyYWxsIDxqdWxpZW4u Z3JhbGxAYXJtLmNvbT4KLS0tCgpWMzoKIFJlZmluZSB0aGUgY29tbWl0IGxvZy4KClYyOgogRm9s bG93IEp1bGllbidzIGNvbW1lbnRzOgogICBzcGxpdCB0aGUgVjEgcGF0Y2ggaW50byB0d28gcGF0 Y2hlcywgdGhpcyBwYXRjaCBpcyB0aGUgY29kZSBtb3ZlbWVudCBwYXJ0LgoKIHhlbi9hcmNoL2Fy bS9tbS5jIHwgMTAgKysrKy0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygrKSwg NiBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS94ZW4vYXJjaC9hcm0vbW0uYyBiL3hlbi9hcmNo L2FybS9tbS5jCmluZGV4IGFkZGQ2OTkuLjBhNGY4NDUgMTAwNjQ0Ci0tLSBhL3hlbi9hcmNoL2Fy bS9tbS5jCisrKyBiL3hlbi9hcmNoL2FybS9tbS5jCkBAIC00NDMsMTEgKzQ0Myw2IEBAIHZvaWQg X19pbml0IHNldHVwX3BhZ2V0YWJsZXModW5zaWduZWQgbG9uZyBib290X3BoeXNfb2Zmc2V0LCBw YWRkcl90IHhlbl9wYWRkcikKICAgICBscGFlX3QgcHRlLCAqcDsKICAgICBpbnQgaTsKIAotICAg IC8qIE1hcCB0aGUgZGVzdGluYXRpb24gaW4gdGhlIGJvb3QgbWlzYyBhcmVhLiAqLwotICAgIGRl c3RfdmEgPSBCT09UX1JFTE9DX1ZJUlRfU1RBUlQ7Ci0gICAgcHRlID0gbWZuX3RvX3hlbl9lbnRy eSh4ZW5fcGFkZHIgPj4gUEFHRV9TSElGVCwgV1JJVEVBTExPQyk7Ci0gICAgd3JpdGVfcHRlKHhl bl9zZWNvbmQgKyBzZWNvbmRfdGFibGVfb2Zmc2V0KGRlc3RfdmEpLCBwdGUpOwotCiAgICAgLyog Q2FsY3VsYXRlIHZpcnQtdG8tcGh5cyBvZmZzZXQgZm9yIHRoZSBuZXcgbG9jYXRpb24gKi8KICAg ICBwaHlzX29mZnNldCA9IHhlbl9wYWRkciAtICh1bnNpZ25lZCBsb25nKSBfc3RhcnQ7CiAKQEAg LTQ5NCw5ICs0ODksMTIgQEAgdm9pZCBfX2luaXQgc2V0dXBfcGFnZXRhYmxlcyh1bnNpZ25lZCBs b25nIGJvb3RfcGh5c19vZmZzZXQsIHBhZGRyX3QgeGVuX3BhZGRyKQogICAgIHB0ZSA9IGJvb3Rf c2Vjb25kW3NlY29uZF90YWJsZV9vZmZzZXQoQk9PVF9GRFRfVklSVF9TVEFSVCldOwogICAgIHhl bl9zZWNvbmRbc2Vjb25kX3RhYmxlX29mZnNldChCT09UX0ZEVF9WSVJUX1NUQVJUKV0gPSBwdGU7 CiAKLSAgICAvKiBNYXAgdGhlIGRlc3RpbmF0aW9uIGluIHRoZSBib290IG1pc2MgYXJlYS4gKi8K KyAgICAvKiAuLi4gQm9vdCBNaXNjIGFyZWEgZm9yIHhlbiByZWxvY2F0aW9uICovCiAgICAgZGVz dF92YSA9IEJPT1RfUkVMT0NfVklSVF9TVEFSVDsKICAgICBwdGUgPSBtZm5fdG9feGVuX2VudHJ5 KHhlbl9wYWRkciA+PiBQQUdFX1NISUZULCBXUklURUFMTE9DKTsKKyAgICAvKiBNYXAgdGhlIGRl c3RpbmF0aW9uIGluIHhlbl9zZWNvbmQuICovCisgICAgeGVuX3NlY29uZFtzZWNvbmRfdGFibGVf b2Zmc2V0KGRlc3RfdmEpXSA9IHB0ZTsKKyAgICAvKiBNYXAgdGhlIGRlc3RpbmF0aW9uIGluIGJv b3Rfc2Vjb25kLiAqLwogICAgIHdyaXRlX3B0ZShib290X3NlY29uZCArIHNlY29uZF90YWJsZV9v ZmZzZXQoZGVzdF92YSksIHB0ZSk7CiAgICAgZmx1c2hfeGVuX2RhdGFfdGxiX3JhbmdlX3ZhX2xv Y2FsKGRlc3RfdmEsIFNFQ09ORF9TSVpFKTsKICNpZmRlZiBDT05GSUdfQVJNXzY0Ci0tIAoyLjYu MgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1k ZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3RzLnhl bi5vcmcveGVuLWRldmVsCg==