From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v2 05/10] xen/arm: Setup virtual paging for non-boot CPUs on hotplug/resume Date: Wed, 25 Apr 2018 09:23:22 +0100 Message-ID: References: <20180420122513.27292-1-mirela.simonovic@aggios.com> <20180420122513.27292-6-mirela.simonovic@aggios.com> <0bfc9225-8fec-bcfe-20ea-5eae3f219371@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Mirela Simonovic Cc: "Edgar E. Iglesias" , Stefano Stabellini , Xen Devel List-Id: xen-devel@lists.xenproject.org CgpPbiAwNC8yNC8yMDE4IDAzOjUwIFBNLCBNaXJlbGEgU2ltb25vdmljIHdyb3RlOgo+IEhpIEp1 bGllbiwKCkhpLAoKU29ycnkgSSBmb3Jnb3QgdG8gYW5zd2VyIHRvIHNvbWUgcGFydCBvZiB0aGUg ZS1tYWlsLgoKPiBPbiBNb24sIEFwciAyMywgMjAxOCBhdCAxOjI4IFBNLCBKdWxpZW4gR3JhbGwg PGp1bGllbi5ncmFsbEBhcm0uY29tPiB3cm90ZToKPj4gSGkgTWlyZWxhLAo+PiBPbiAyMC8wNC8x OCAxMzoyNSwgTWlyZWxhIFNpbW9ub3ZpYyB3cm90ZToKPj4+IGRpZmYgLS1naXQgYS94ZW4vYXJj aC9hcm0vcDJtLmMgYi94ZW4vYXJjaC9hcm0vcDJtLmMKPj4+IGluZGV4IGQ0M2MzYWE4OTYuLjli YjYyYzEzY2QgMTAwNjQ0Cj4+PiAtLS0gYS94ZW4vYXJjaC9hcm0vcDJtLmMKPj4+ICsrKyBiL3hl bi9hcmNoL2FybS9wMm0uYwo+Pj4gQEAgLTE0NTEsMTMgKzE0NTEsMjEgQEAgZXJyOgo+Pj4gICAg ICAgIHJldHVybiBwYWdlOwo+Pj4gICAgfQo+Pj4gICAgLXN0YXRpYyB2b2lkIF9faW5pdCBzZXR1 cF92aXJ0X3BhZ2luZ19vbmUodm9pZCAqZGF0YSkKPj4+ICtzdGF0aWMgdm9pZCBzZXR1cF92aXJ0 X3BhZ2luZ19vbmUodm9pZCAqZGF0YSkKPj4+ICAgIHsKPj4+ICAgICAgICB1bnNpZ25lZCBsb25n IHZhbCA9ICh1bnNpZ25lZCBsb25nKWRhdGE7Cj4+PiAgICAgICAgV1JJVEVfU1lTUkVHMzIodmFs LCBWVENSX0VMMik7Cj4+PiAgICAgICAgaXNiKCk7Cj4+PiAgICB9Cj4+PiAgICArLyogVlRDUiB2 YWx1ZSB0byBiZSBjb25maWd1cmVkIGJ5IGFsbCBDUFVzLiBTZXQgb25seSBvbmNlIGJ5IHRoZSBi b290Cj4+PiBDUFUgKi8KPj4+ICtzdGF0aWMgdW5zaWduZWQgbG9uZyBfX3JlYWRfbW9zdGx5IHZ0 Y3JfdmFsdWU7Cj4+Cj4+Cj4+IFZUQ1IgaXMgYSByZWdpc3Rlciwgc28gdGhlIHR5cGUgc2hvdWxk IGJlIHJlcHJlc2VudGVkIGluIHRlcm0gb2YgYml0cyAoaS5lCj4+IHVpbnQqX3QpLgo+IAo+IEkg Zm9sbG93ZWQgdGhlIHR5cGUgdXNlZCBpbiBzZXR1cF92aXJ0X3BhZ2luZygpIGFuZCBpdCdzIHVu c2lnbmVkCj4gbG9uZy4gSG93ZXZlciwgdGhlIHNwZWMgc2F5cyB0aGUgVlRDUl9FTDIgaXMgMzIt Yml0IHJlZ2lzdGVyLCBtZWFuaW5nCj4gdGhhdCBpbiB0aGUgY3VycmVudCBpbXBsZW1lbnRhdGlv biB0aGUgdHlwZSBpcyBub3QgY29ycmVjdC4KPiBJZiBJIHdhbnQgdGhlIHR5cGUgdG8gYmUgY29y cmVjdCBpbiB0aGlzIHBhdGNoIFhlbiB3aWxsIG5vdCBjb21waWxlLgo+IEFyZSB5b3Ugc3VnZ2Vz dGluZyB0byBmaXggdGhlIHR5cGUgaW4gZXhpc3RpbmcgaW1wbGVtZW50YXRpb24/CgpUaGUgdW5z aWduZWQgbG9uZyBpcyBqdXN0IGEgd29ya2Fyb3VuZCB0byBhdm9pZCBhbiBleHRyYSB2YXJpYWJs ZSBmb3IgCnRoZSBjYXN0LiBBcyB5b3UgaW50cm9kdWNlIGEgc3RhdGljIHZhcmlhYmxlLCB0aGVu IHRoZSBjYXN0IGJlY29tZSAKdW5uZWNlc3NhcnkuCgo+IAo+Pgo+Pj4gKwo+Pj4gK3ZvaWQgc2V0 dXBfdmlydF9wYWdpbmdfc2Vjb25kYXJ5KHZvaWQpCj4+PiArewo+Pj4gKyAgICBzZXR1cF92aXJ0 X3BhZ2luZ19vbmUoKHZvaWQgKil2dGNyX3ZhbHVlKTsKPj4KPj4KPj4gVGhhdCdzIGZhaXJseSB1 Z2x5LiBJcyB0aGVyZSBhbnkgd2F5IHRvIHJld29yayB0aGUgaW50ZXJmYWNlPyBGb3IgaW5zdGFu Y2UsCj4+IGJlY2F1c2UgeW91IGhhdmUgYSBzdGF0aWMgdmFyaWFibGUgd2hpY2ggY29udGFpbiB0 aGUgVlRDUiwgeW91IGNvdWxkIGp1c3QKPj4gdXNlIHRoZSB2YXJpYWJsZSBpbiBzZXR1cF92aXJ0 X3BhZ2luZyBvbmUuCj4+Cj4gIEkgCj4gSWYgdGhlIGFyZ3VtZW50IHByb3ZpZGVkIHRvIHNldHVw X3ZpcnRfcGFnaW5nX29uZSgpIGlzIE5VTEwgd2l0aGluIHRoZQo+IHNldHVwX3ZpcnRfcGFnaW5n X29uZSgpIEkgY29uZmlndXJlIHNhdmVkIHN0YXRpYyB2dGNyX3ZhbHVlPyBJZiB0aGF0Cj4gaXMg d2hhdCB5b3UgbWVhbnQgaXQgd2FzIHN1Ym1pdHRlZCBpbiBwcmV2aW91cyB2ZXJzaW9uIG9mIHRo aXMgcGF0Y2gKPiA6KQo+IEFyZSB5b3Ugc3VnZ2VzdGluZyB0byByZXZlcnQgdGhlIGNoYW5nZSB0 byB2MT8KCkkgd291bGQgc3VnZ2VzdCBhIG1peCBiZXR3ZWVuIHYxIGFuZCB2Mi4gU29tZXRoaW5n IGxpa2U6CgpzdGF0aWMgdWludDY0X3QgdnRjcjsKCnN0YXRpYyBzZXR1cF9pbml0X3BhZ2luZ19v bmUodm9pZCAqZGF0YSkKewogICAgV1JJVEVfU1lTUkVHKHZ0Y3IsIFZUUkNfRUwyKTsKICAgIFsu Li5dCn0KcgoKdm9pZCBfX2luaXQgc2V0dXBfdmlydF9wYWdpbmcoLi4uKQp7CiAgICAgdnRjciA9 IHZhbDsKfQoKUG90ZW50aWFsbHksIHlvdSBjb3VsZCBkcm9wIHZhbCBhbmQgdXNlIHZ0Y3IgZXZl cnl3aGVyZSBpbiAKc2V0dXBfdmlydF9wYWdpbmcoKS4KCkNoZWVycywKCi0tIApKdWxpZW4gR3Jh bGwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1k ZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8v bGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=