From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mirela Simonovic Subject: Re: [PATCH 6/7] xen/arm: Setup virtual paging for secondary CPUs in non-boot scenario Date: Tue, 17 Apr 2018 17:22:58 +0200 Message-ID: References: <20180411131927.27083-1-mirela.simonovic@aggios.com> <20180411131927.27083-7-mirela.simonovic@aggios.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Julien Grall Cc: "Edgar E. Iglesias" , Stefano Stabellini , Davorin Mista , Xen Devel List-Id: xen-devel@lists.xenproject.org SGkgSnVsaWVuLAoKT24gVHVlLCBBcHIgMTcsIDIwMTggYXQgNDoxMSBQTSwgSnVsaWVuIEdyYWxs IDxqdWxpZW4uZ3JhbGxAYXJtLmNvbT4gd3JvdGU6Cj4KPgo+IE9uIDE3LzA0LzE4IDEzOjU0LCBN aXJlbGEgU2ltb25vdmljIHdyb3RlOgo+Pgo+PiBIaSBKdWxpZW4sCj4KPgo+IEhpLAo+Cj4+Cj4+ IE9uIFdlZCwgQXByIDExLCAyMDE4IGF0IDU6MTEgUE0sIEp1bGllbiBHcmFsbCA8anVsaWVuLmdy YWxsQGFybS5jb20+Cj4+IHdyb3RlOgo+Pj4KPj4+IEhpLAo+Pj4KPj4+IE9uIDExLzA0LzE4IDE0 OjE5LCBNaXJlbGEgU2ltb25vdmljIHdyb3RlOgo+Pj4+Cj4+Pj4KPj4+PiBJbiBleGlzdGluZyBj b2RlIHRoZSBwYWdpbmcgZm9yIHNlY29uZGFyeSBDUFVzIGlzIHNldHVwIG9ubHkgaW4gYm9vdAo+ Pj4+IGZsb3cuCj4+Pj4gVGhlIHNldHVwIGlzIHRyaWdnZXJlZCBmcm9tIHN0YXJ0X3hlbiBmdW5j dGlvbiBhZnRlciBhbGwgQ1BVcyBhcmUKPj4+PiBicm91Z2h0Cj4+Pj4gb25saW5lLiBJbiBvdGhl ciB3b3JkcywgdGhlIGluaXRpYWxpemF0aW9uIG9mIFZUQ1JfRUwyIHJlZ2lzdGVyIGlzIGRvbmUK Pj4+PiBvdXQgb2YgdGhlIGNwdV91cC9zdGFydF9zZWNvbmRhcnkgY29udHJvbCBmbG93LiBIb3dl dmVyLCB0aGUgY3B1X3VwIGZsb3cKPj4+PiBzaG91bGQgYmUgc2VsZi1jb250YWluZWQgLSBpdCBz aG91bGQgZnVsbHkgaW5pdGlhbGl6ZSBhIHNlY29uZGFyeSBDUFUsCj4+Pj4gYmVjYXVzZSB0aGUg Y3B1X3VwIGlzIHVzZWQgbm90IG9ubHkgdG8gYnJpbmcgYSBzZWNvbmRhcnkgQ1BVIG9ubGluZSBv bgo+Pj4+IGJvb3QsIGJ1dCBhbHNvIHRvIGhvdHBsdWcgYSBDUFUgZHVyaW5nIHRoZSBzeXN0ZW0g cmVzdW1lLgo+Pj4+IFdpdGggdGhpcyBwYXRjaCB0aGUgc2V0dGluZyBvZiBwYWdpbmcgaXMgdHJp Z2dlcmVkIGZyb20gc3RhcnRfc2Vjb25kYXJ5Cj4+Pj4gZnVuY3Rpb24gaWYgdGhlIGN1cnJlbnQg c3lzdGVtIHN0YXRlIGlzIG5vdCBib290LiBUaGlzIHdheSwgdGhlIHBhZ2luZwo+Pj4+IHdpbGwg YmUgc2V0dXAgaW4gbm9uLWJvb3Qgc2NlbmFyaW9zLCB3aGlsZSB0aGUgc2V0dXAgaW4gYm9vdCBz Y2VuYXJpbwo+Pj4+IHJlbWFpbnMgdW5jaGFuZ2VkLgo+Pj4KPj4+Cj4+Pgo+Pj4gSSBhbSBhZnJh aWQgdGhhdCB0aGlzIGlzIG5vdCBjb3JyZWN0LiBZb3UgY2FuJ3QgYXNzdW1lIHRoYXQgdmFsdWUg Y2hvc2VuCj4+PiBmb3IKPj4+IFZUQ1IgYnkgWGVuIGF0IGJvb3Qgd2lsbCBmaXQgdGhpcyBuZXcg Q1BVLiBTbyB5b3UgaGF2ZSB0byBjaGVjayBpdCBpcwo+Pj4gZmluZQo+Pj4gb3IgcGFyayB0aGUg Q1BVIGlmIHRoZXJlIGFyZSBhbnkgaXNzdWUuCj4+Pgo+Pgo+PiBUaGlzIGlzIG5vdCBhIG5ldyBD UFUuIFRoaXMgQ1BVIGFscmVhZHkgd2VudCB0aHJvdWdoIGl0cyBib290IHNlcXVlbmNlCj4+IGFu ZCBpdCByZWFjaGVkIHRoZSByZXN1bWUgcG9pbnQgYmVjYXVzZSBpdCBkb2VzIGZpdCB0aGUgdmFs dWUgY2hvc2VuCj4+IGZvciBWVENSIGJ5IFhlbi4KPj4gSWYgaXQgd291bGRuJ3QgZml0IHRoZSBj aG9zZW4gdmFsdWUgZm9yIFZUQ1IgaXQgd291bGQgYmUgcGFya2VkIHNvIGl0Cj4+IHdvdWxkbid0 IHBhcnRpY2lwYXRlIGluIHN1c3BlbmQvcmVzdW1lLiBQbGVhc2UgbGV0IG1lIGtub3cgaWYgSQo+ PiBtaXN1bmRlcnN0b29kIHlvdXIgY29tbWVudC4KPgo+Cj4gVGhpcyBpcyBub3QgYSBuZXcgQ1BV IGZvciB5b3VyIHVzZSBjYXNlLiBIb3dldmVyIHlvdXIgY29tbWl0IG1lc3NhZ2UKPiBzcGVhayBh Ym91dCAibm9uLWJvb3QiIENQVSBicmluZy11cC4gU28gZm9yIG1lIHRoaXMgaXMgbW9yZSB0aGFu Cj4gc3VzcGVuZC9yZXN1bWUsIGl0IGlzIGFib3V0IGJyaW5naW5nLXVwIENQVSBhdCBhbnkgdGlt ZS4KPgoKVXNlIGNhc2UgeW91J3JlIHRyeWluZyB0byBjb3ZlciBpcyBob3RwbHVnZ2luZyBhIENQ VSBhZnRlciB0aGUgYm9vdCBpcwpkb25lIGluIGJpdC5MSVRUTEUgc3lzdGVtLCBhbmQgdGhhdCBD UFUgd2Fzbid0IGluaXRpYWxseSBicm91Z2h0Cm9ubGluZSAob24gYm9vdCkuIFJpZ2h0PwoKPiBB cyB0aG9zZSBDUFVzIGNhbid0IHBhcnRpY2lwYXRlIHRvIHRoZSBkZWNpc2lvbiAoaXQgaXMgdG9v IGxhdGUpLCB5b3UKPiBuZWVkIHRvIG1ha2Ugc3VyZSB0aGUgVlRDUiB3aWxsIGZpdCBvbiB0aGF0 IENQVS4KPgoKQ291bGQgeW91IHBsZWFzZSBwb2ludCBtZSB0byB0aGUgbG9jYXRpb24gaW4gc291 cmNlcyB3aGVyZSB0aGlzIGlzCmRvbmUgb24gYm9vdD8gSSBtZWFuIGNoZWNraW5nIGNvbXBsaWFu Y2Ugd2l0aCBjaG9zZW4gVlRDUiB2YWx1ZSBhbmQKcGFya2luZyBDUFUgaWYgaXQgZG9lc24ndCBm aXQuCgpUaGFua3MsCk1pcmVsYQoKPj4KPj4gQUZBSVUgdGhlIHZhbHVlIGNob3NlbiBieSBYZW4g Zm9yIFZUQ1IgY29uZmlnIGhhcyB0byBiZSBjb21tb24gZm9yIGFsbAo+PiBvbmxpbmUgQ1BVcy4g U2luY2UgdGhpcyB2YWx1ZSBpcyBhbHNvIHVzZWQgaW4gdGhlIHJlc3VtZSBwYXRoIEkKPj4gc3Vn Z2VzdCB0byBtYWtlIGdsb2JhbCAoc3RhdGljIGluIHRoZSBwMm0uYykgdGhlICd2YWwnIHZhcmlh YmxlIHdoaWNoCj4+IGlzIGN1cnJlbnRseSBsb2NhbCBpbiBzZXR1cF92aXJ0X3BhZ2luZygpIGFu ZCBwYXNzZWQgYXMgYXJndW1lbnQgdG8KPj4gc2V0dXBfdmlydF9wYWdpbmdfb25lKCkuIFRoZW4g c2V0dXBfdmlydF9wYWdpbmdfb25lKCkgd291bGQgbm90Cj4+IHJlY2VpdmUgYW4gYXJndW1lbnQu Cj4+IEkgbmVlZCB0byBhY2Nlc3MgdGhpcyB2YWx1ZSBvbiByZXN1bWUsIHNvIEkgd291bGQgY2Fs bAo+PiBzZXR1cF92aXJ0X3BhZ2luZ19vbmUoKSB3aXRob3V0IGFyZ3VtZW50IGZyb20gc3RhcnRf c2Vjb25kYXJ5KCkgaWYgdGhlCj4+IHN5c3RlbSBzdGF0ZSBpcyBub3QgYm9vdC4KPj4gVGhpcyBz ZWVtcyB0byBtZSBhIGJpdCBjbGVhbmVyIGNvbXBhcmVkIHRvIHdoYXQgSSBzdWJtaXR0ZWQgaW4g dGhpcwo+PiBwYXRjaCwgYnV0IGZ1bmRhbWVudGFsbHkgdGhlIGZ1bmN0aW9uYWxpdHkgaXMgdGhl IHNhbWUuCj4KPgo+IFlvdSBkb24ndCBuZWVkIHRvIGludHJvZHVjZSBhIHN0YXRpYyB2YXJpYWJs ZSBpdC4gSSBiZWxpZXZlIHlvdSBjYW4KPiByZS1jcmVhdGUgaXQgYmFzZWQgb24gdGhlIGluZm9y bWF0aW9uIHdlIGFscmVhZHkgaGF2ZSBpbiBnbG9iYWwKPiB2YXJpYWJsZXMuIFNvIHdoYXQgSSB3 b3VsZCBkbyBpcyBtb3ZpbmcgdGhlIGNyZWF0aW9uIG9mIHZ0Y3IgdmFsdWUgaW4KPiB0aGF0IGZ1 bmN0aW9uLgo+Cj4gQ2hlZXJzLAo+Cj4gLS0KPiBKdWxpZW4gR3JhbGwKPiBJTVBPUlRBTlQgTk9U SUNFOiBUaGUgY29udGVudHMgb2YgdGhpcyBlbWFpbCBhbmQgYW55IGF0dGFjaG1lbnRzIGFyZQo+ IGNvbmZpZGVudGlhbCBhbmQgbWF5IGFsc28gYmUgcHJpdmlsZWdlZC4gSWYgeW91IGFyZSBub3Qg dGhlIGludGVuZGVkCj4gcmVjaXBpZW50LCBwbGVhc2Ugbm90aWZ5IHRoZSBzZW5kZXIgaW1tZWRp YXRlbHkgYW5kIGRvIG5vdCBkaXNjbG9zZSB0aGUKPiBjb250ZW50cyB0byBhbnkgb3RoZXIgcGVy c29uLCB1c2UgaXQgZm9yIGFueSBwdXJwb3NlLCBvciBzdG9yZSBvciBjb3B5IHRoZQo+IGluZm9y bWF0aW9uIGluIGFueSBtZWRpdW0uIFRoYW5rIHlvdS4KCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVs QGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1h bi9saXN0aW5mby94ZW4tZGV2ZWw=