From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH] xen/arm: mm: optimize setup_pagetables Date: Wed, 11 May 2016 11:03:06 +0100 Message-ID: <5733035A.2090403@arm.com> References: <1462953598-20802-1-git-send-email-van.freenix@gmail.com> <5732FC05.1020504@arm.com> <20160511095719.GA21540@linux-7smt.suse> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20160511095719.GA21540@linux-7smt.suse> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Peng Fan Cc: sstabellini@kernel.org, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org CgpPbiAxMS8wNS8yMDE2IDEwOjU3LCBQZW5nIEZhbiB3cm90ZToKPiBIaSBKdWxpZW4sCgpIaSBQ ZW5nLAoKPiBPbiBXZWQsIE1heSAxMSwgMjAxNiBhdCAxMDozMTo0OUFNICswMTAwLCBKdWxpZW4g R3JhbGwgd3JvdGU6Cj4+Cj4+IFsuLi5dCj4+Cj4+PiBkaWZmIC0tZ2l0IGEveGVuL2FyY2gvYXJt L21tLmMgYi94ZW4vYXJjaC9hcm0vbW0uYwo+Pj4gaW5kZXggOTRlYTA1NC4uYmViZDgyZiAxMDA2 NDQKPj4+IC0tLSBhL3hlbi9hcmNoL2FybS9tbS5jCj4+PiArKysgYi94ZW4vYXJjaC9hcm0vbW0u Ywo+Pj4gQEAgLTQ0MywxMiArNDQzLDYgQEAgdm9pZCBfX2luaXQgc2V0dXBfcGFnZXRhYmxlcyh1 bnNpZ25lZCBsb25nIGJvb3RfcGh5c19vZmZzZXQsIHBhZGRyX3QgeGVuX3BhZGRyKQo+Pj4gICAg ICAgbHBhZV90IHB0ZSwgKnA7Cj4+PiAgICAgICBpbnQgaTsKPj4+Cj4+PiAtICAgIC8qIE1hcCB0 aGUgZGVzdGluYXRpb24gaW4gdGhlIGJvb3QgbWlzYyBhcmVhLiAqLwo+Pj4gLSAgICBkZXN0X3Zh ID0gQk9PVF9SRUxPQ19WSVJUX1NUQVJUOwo+Pj4gLSAgICBwdGUgPSBtZm5fdG9feGVuX2VudHJ5 KHhlbl9wYWRkciA+PiBQQUdFX1NISUZULCBXUklURUFMTE9DKTsKPj4+IC0gICAgd3JpdGVfcHRl KHhlbl9zZWNvbmQgKyBzZWNvbmRfdGFibGVfb2Zmc2V0KGRlc3RfdmEpLCBwdGUpOwo+Pj4gLSAg ICBmbHVzaF94ZW5fZGF0YV90bGJfcmFuZ2VfdmFfbG9jYWwoZGVzdF92YSwgU0VDT05EX1NJWkUp Owo+Pj4gLQo+Pj4gICAgICAgLyogQ2FsY3VsYXRlIHZpcnQtdG8tcGh5cyBvZmZzZXQgZm9yIHRo ZSBuZXcgbG9jYXRpb24gKi8KPj4+ICAgICAgIHBoeXNfb2Zmc2V0ID0geGVuX3BhZGRyIC0gKHVu c2lnbmVkIGxvbmcpIF9zdGFydDsKPj4+Cj4+PiBAQCAtNDk4LDYgKzQ5MiwxMSBAQCB2b2lkIF9f aW5pdCBzZXR1cF9wYWdldGFibGVzKHVuc2lnbmVkIGxvbmcgYm9vdF9waHlzX29mZnNldCwgcGFk ZHJfdCB4ZW5fcGFkZHIpCj4+PiAgICAgICAvKiBNYXAgdGhlIGRlc3RpbmF0aW9uIGluIHRoZSBi b290IG1pc2MgYXJlYS4gKi8KPj4+ICAgICAgIGRlc3RfdmEgPSBCT09UX1JFTE9DX1ZJUlRfU1RB UlQ7Cj4+PiAgICAgICBwdGUgPSBtZm5fdG9feGVuX2VudHJ5KHhlbl9wYWRkciA+PiBQQUdFX1NI SUZULCBXUklURUFMTE9DKTsKPj4+ICsgICAgeGVuX3NlY29uZFtzZWNvbmRfdGFibGVfb2Zmc2V0 KGRlc3RfdmEpXSA9IHB0ZTsKPj4+ICsKPj4+ICsgICAgLyogTWFwIHRoZSBkZXN0aW5hdGlvbiBp biB0aGUgYm9vdCBtaXNjIGFyZWEuICovCj4+PiArICAgIGRlc3RfdmEgPSBCT09UX1JFTE9DX1ZJ UlRfU1RBUlQ7Cj4+PiArICAgIHB0ZSA9IG1mbl90b194ZW5fZW50cnkoeGVuX3BhZGRyID4+IFBB R0VfU0hJRlQsIFdSSVRFQUxMT0MpOwo+Pgo+PiBXaHkgZG8geW91IG5lZWQgdG8gcmVjb21wdXRl ICJwdGUiIGFuZCAiZGVzdF92YSI/IFRoZXkgd2lsbCBiZSB0aGUgc2FtZSBmb3IKPj4gImJvb3Rf c2Vjb25kIiBhbmQgInhlbl9zZWNvbmQiLgo+Cj4gSSBqdXN0IGNoYW5nZSAid3JpdGVfcHRlKHhl bl9zZWNvbmQgKyBzZWNvbmRfdGFibGVfb2Zmc2V0KGRlc3RfdmEpLCBwdGUpOyIgdG8KPiAieGVu X3NlY29uZFtzZWNvbmRfdGFibGVfb2Zmc2V0KGRlc3RfdmEpXSA9IHB0ZTsiLgo+Cj4gVGhlIHB0 ZSBhbmQgZGVzdF92YSBhcmUgbm90IGNoYW5nZWQuCgpTbyB5b3UgY291bGQgZG8gc29tZSBsaWtl OgoKLyogQ29tbWVudCAqLwpkZXN0X3ZhID0gQk9PVC4uLgpwdGUgPSAuLi4KLyogQ29tbWVudCAq Lwp4ZW5fc2Vjb25kWy4uLl0gPSBwdGUKLyogQ29tbWVudCAqLwp3cml0ZV9wdGUoYm9vdF9zZWNv bmQuLi4pOwoKUmVnYXJkcywKCi0tIApKdWxpZW4gR3JhbGwKCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRl dmVsQGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==