From mboxrd@z Thu Jan 1 00:00:00 1970 From: Volodymyr Babchuk Subject: Re: [ARM] Native application design and discussion (I hope) Date: Wed, 10 May 2017 20:37:10 +0300 Message-ID: References: <1492020822.3287.33.camel@citrix.com> <29f244da-2346-70a7-13f0-e5c0cbf490d7@epam.com> <1494324789.9501.7.camel@citrix.com> <1494328112.9501.9.camel@citrix.com> <6deb968f-f0bb-1537-4bd5-905ecaa925e6@citrix.com> <64eede57-85be-99f4-cbd8-5d28a430980b@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <64eede57-85be-99f4-cbd8-5d28a430980b@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Julien Grall Cc: Stefano Stabellini , Andrii Anisov , Dario Faggioli , George Dunlap , Xen Devel , Artem Mygaiev List-Id: xen-devel@lists.xenproject.org SGkgSnVsaWVuLAoKUmV0dXJuaW5nIGJhY2sgdG8gTmF0aXZlIGFwcHMsIEkgdGhpbmsgd2UgY2Fu IG1ha2UgY3R4IHN3aXRjaCBldmVuCmZhc3RlciBieSBkcm9wcGluZyBwMm0gY29kZS4gSW1hZ2lu ZSB0aGF0IHdlIGFscmVhZHkgY3JlYXRlZCBzdGFnZSAxCk1NVSBmb3IgbmF0aXZlIGFwcGxpY2F0 aW9uLiBUaGVuIHRvIHN3aXRjaCB0byBhcHAgaXQgd2UgbmVlZCBvbmx5OgoKMS4gRW5hYmxlIFRH RSBiaXQgaW4gSENSCjIuIERpc2FibGUgVk0gYml0IGluIEhDUgozLiBTYXZlL1Byb2dyYW0gRUwx X1RUQlIgYW5kIGZyaWVuZHMKMy41IChvcHRpb25hbGx5KSBzYXZlL3Jlc3RvcmUgRlBVIHN0YXRl CjQuIFNhdmUvUmVzdG9yZSBnZW5lcmFsIHB1cnBvc2UgcmVnaXN0ZXJzICsgU1AgKyBDU1IgKyBQ QyB0byBqdW1wIHRvCmFuIGFwcCBpbiBFTDAgc3RhdGUuCgpUaGlzIGNhbiBiZSBkb25lIGluICJy ZWFsIiB2Y3B1IG9yIGluIGlkbGUgdmNwdSBjb250ZXh0LiBObyBkaWZmZXJlbmNlcyB0aGVyZS4K CkV4Y2VwdGlvbiBoYW5kbGluZyBpbiBoeXBlcnZpc29yIHdvdWxkIGJlY2FtZSB0cmlja3kgYmVj YXVzZSBvZiB2Y3B1CmFic2VuY2UgZm9yIG5hdGl2ZSBhcHAuIEN1cnJlbnQgaW1wbGVtZW50YXRp b24gb2YgZW50cnkuUyBhbHdheXMgc2F5cwpnZW5lcmFsIHB1cnBvc2UgcmVnaXN0ZXJzIHRvIGEg dmNwdSBzdHJ1Y3R1cmUuIEJhc2ljYWxseSwgd2Ugc2hvdWxkCnRlYWNoIGVudHJ5LlMgYW5kIHRy YXBzLmMgYWJvdXQgbmF0aXZlIGFwcHMuCkFtIEkgbWlzc2luZyBzb21ldGhpbmc/CgoKCgpPbiAx MCBNYXkgMjAxNyBhdCAxMzo0OCwgSnVsaWVuIEdyYWxsIDxqdWxpZW4uZ3JhbGxAYXJtLmNvbT4g d3JvdGU6Cj4gSGkgR2VvcmdlLAo+Cj4KPiBPbiAwNS8xMC8yMDE3IDExOjAzIEFNLCBHZW9yZ2Ug RHVubGFwIHdyb3RlOgo+Pgo+PiBPbiAxMC8wNS8xNyAxMTowMCwgSnVsaWVuIEdyYWxsIHdyb3Rl Ogo+Pj4KPj4+Cj4+Pgo+Pj4gT24gMDUvMTAvMjAxNyAxMDo1NiBBTSwgR2VvcmdlIER1bmxhcCB3 cm90ZToKPj4+Pgo+Pj4+IE9uIDA5LzA1LzE3IDE5OjI5LCBTdGVmYW5vIFN0YWJlbGxpbmkgd3Jv dGU6Cj4+Pj4+Cj4+Pj4+IE9uIFR1ZSwgOSBNYXkgMjAxNywgRGFyaW8gRmFnZ2lvbGkgd3JvdGU6 Cj4+Pj4+Pj4+Cj4+Pj4+Pj4+IEFuZCBpdCBzaG91bGQgbm90IGJlIGhhcmQgdG8gZ2l2ZSBzdWNo IGNvZGUgYWNjZXNzIHRvIHRoZSBjb250ZXh0Cj4+Pj4+Pj4+IG9mCj4+Pj4+Pj4+IHRoZSB2Q1BV IHRoYXQgd2FzIHByZXZpb3VzbHkgcnVubmluZyAoaW4geDg2LCBnaXZlbiB3ZSBpbXBsZW1lbnQK Pj4+Pj4+Pj4gd2hhdAo+Pj4+Pj4+PiB3ZSBjYWxsIGxhenkgY29udGV4dCBzd2l0Y2gsIGl0J3Mg bW9zdCBsaWtlbHkgc3RpbGwgbG9hZGVkIGluIHRoZQo+Pj4+Pj4+PiBwQ1BVISkuCj4+Pj4+Pj4K Pj4+Pj4+Pgo+Pj4+Pj4+IEkgYWdyZWUgd2l0aCBTdGVmYW5vLCBzd2l0Y2hpbmcgdG8gdGhlIGlk bGUgdkNQVSBpcyBhIHByZXR0eSBiYWQKPj4+Pj4+PiBpZGVhLgo+Pj4+Pj4+Cj4+Pj4+Pj4gdGhl IGlkbGUgdkNQVSBpcyBhIGZha2UgdkNQVSBvbiBBUk0gdG8gc3RpY2sgd2l0aCB0aGUgY29tbW9u IGNvZGUKPj4+Pj4+PiAod2UKPj4+Pj4+PiBuZXZlciBsZWF2ZSB0aGUgaHlwZXJ2aXNvcikuIElu IHRoZSBjYXNlIG9mIHRoZSBFTDAgYXBwLCB3ZSB3YW50IHRvCj4+Pj4+Pj4gY2hhbmdlIGV4Y2Vw dGlvbiBsZXZlbCB0byBydW4gdGhlIGNvZGUgd2l0aCBsb3dlciBwcml2aWxlZ2UuCj4+Pj4+Pj4K Pj4+Pj4+PiBBbHNvIElITU8sIGl0IHNob3VsZCBvbmx5IGJlIHVzZWQgd2hlbiB0aGVyZSBhcmUg bm90aGluZyB0byBydW4gYW5kCj4+Pj4+Pj4gbm90Cj4+Pj4+Pj4gcmUtcHVycG9zZWQgZm9yIHJ1 bm5pbmcgRUwwIGFwcC4KPj4+Pj4+Pgo+Pj4+Pj4gSXQncyBhbHJlYWR5IHB1cnBvc2VkIGZvciBy dW5uaW5nIHdoZW4gdGhlcmUgaXMgbm90aGluZyB0byBkbyBfb3JfCj4+Pj4+PiB3aGVuCj4+Pj4+ PiB0aGVyZSBhcmUgdGFza2xldHMuCj4+Pj4+Pgo+Pj4+Pj4gSSBkbyBzZWUgeW91ciBwb2ludCBh Ym91dCBwcml2aWxlZ2UgbGV2ZWwsIHRob3VnaC4gQW5kIEkgYWdyZWUgd2l0aAo+Pj4+Pj4gR2Vv cmdlIHRoYXQgaXQgbG9va3MgdmVyeSBzaW1pbGFyIHRvIHdoZW4sIGluIHRoZSB4ODYgd29ybGQs IHdlIHRyaWVkCj4+Pj4+PiB0byBwdXQgdGhlIGluZnJhIHRvZ2V0aGVyIGZvciBzd2l0Y2hpbmcg dG8gUmluZzMgdG8gcnVuIHNvbWUgcGllY2VzIG9mCj4+Pj4+PiBYZW4gY29kZS4KPj4+Pj4KPj4+ Pj4KPj4+Pj4gUmlnaHQsIGFuZCBqdXN0IHRvIGFkZCB0byBpdCwgY29udGV4dCBzd2l0Y2hpbmcg dG8gdGhlIGlkbGUgdmNwdSBoYXMgYQo+Pj4+PiBjb3N0LCBidXQgaXQgZG9lc24ndCBnaXZlIHVz IGFueSBzZWN1cml0eSBiZW5lZml0cyB3aGF0c2V2ZXIuIElmIFhlbiBpcwo+Pj4+PiBnb2luZyB0 byBzcGVuZCB0aW1lIG9uIGNvbnRleHQgc3dpdGNoaW5nLCBpdCBpcyBiZXR0ZXIgdG8gZG8gaXQg aW4gYQo+Pj4+PiB3YXkgdGhhdCBpbnRyb2R1Y2VzIGEgc2VjdXJpdHkgYm91bmRhcnkuCj4+Pj4K Pj4+Pgo+Pj4+ICJDb250ZXh0IHN3aXRjaGluZyIgdG8gdGhlIGlkbGUgdmNwdSBkb2Vzbid0IGFj dHVhbGx5IHNhdmUgb3IgY2hhbmdlIGFueQo+Pj4+IHJlZ2lzdGVycywgbm9yIGRvZXMgaXQgZmx1 c2ggdGhlIFRMQi4gIEl0J3MgbW9yZSBvciBsZXNzIGp1c3QgYWNjb3VudGluZwo+Pj4+IGZvciB0 aGUgc2NoZWR1bGVyLiAgU28gaXQgaGFzIGEgY29zdCAoZ29pbmcgdGhyb3VnaCB0aGUgc2NoZWR1 bGVyKSBidXQKPj4+PiBub3QgYSB2ZXJ5IGxhcmdlIG9uZS4KPj4+Cj4+Pgo+Pj4gSXQgZGVwZW5k cyBvbiB0aGUgYXJjaGl0ZWN0dXJlLiBGb3IgQVJNIHdlIGRvbid0IHlldCBzdXBwb3J0IGxhenkK Pj4+IGNvbnRleHQgc3dpdGNoLiBTbyBlZmZlY3RpdmVseSwgdGhlIGNvc3QgdG8gImNvbnRleHQg c3dpdGNoIiB0byB0aGUgaWRsZQo+Pj4gdkNQVSB3aWxsIGJlIHF1aXRlIGhpZ2guCj4+Cj4+Cj4+ IE9oLCByaWdodC4gIFNvcnJ5LCBJIHRob3VnaHQgSSBoYWQgc2VlbiBjb2RlIGltcGxlbWVudGlu ZyBsYXp5IGNvbnRleHQKPj4gc3dpdGNoIGluIEFSTSwgYnV0IEkgbXVzdCBoYXZlIGltYWdpbmVk IGl0LiAgVGhhdCBpcyBpbmRlZWQgYSBtYXRlcmlhbAo+PiBjb25zaWRlcmF0aW9uLgo+Pgo+PiBJ cyB0aGVyZSBhIHBhcnRpY3VsYXIgcmVhc29uIHRoYXQgbGF6eSBjb250ZXh0IHN3aXRjaCBpcyBk aWZmaWN1bHQgb24KPj4gQVJNPyAgSWYgbm90IGl0IHNob3VsZCBiZSBhIGZhaXJseSBpbXBvcnRh bnQgYml0IG9mIGxvdy1oYW5naW5nIGZydWl0Cj4+IGZyb20gYSBwZXJmb3JtYW5jZSBwZXJzcGVj dGl2ZS4KPgo+Cj4gSSBhbSBub3QgZW50aXJlbHkgc3VyZSB3aGF0IHlvdSBhcmUgZG9pbmcgb24g eDg2LiBMZXQgbWUgZXhwbGFpbiB3aGF0IHdlIGRvCj4gYW5kIHdoeSBjb250ZXh0IHN3aXRjaCBp cyBoZWF2eSBvbiBBUk0uCj4KPiBJbiB0aGUgY2FzZSBvZiBBUk0sIHdoZW4gZW50ZXJpbmcgdG8g dGhlIGh5cGVydmlzb3IsIHdlIG9ubHkgc2F2ZSB0aGUgYmFyZQo+IG1pbmltdW0gKGFsbCBub24t YmFua2VkIHJlZ2lzdGVycyArIHJlZ2lzdGVycyB1c2VmdWwgZm9yIGhhbmRsaW5nIGd1ZXN0Cj4g cmVxdWVzdCksICBhbmQgbGVmdCB0aGUgcmVzdCB1bnRvdWNoZWQuCj4KPiBPdXIgc2F2ZS9yZXN0 b3JlIGZ1bmN0aW9ucyBhcmUgcXVpdGUgYmlnIGJlY2F1c2UgaXQgaW52b2x2aW5nIHNhdmluZy9y ZXN0b3JlCj4gc3RhdGUgb2YgdGhlIGludGVycnVwdCBjb250cm9sbGVyLCBGUFUuLi4gU28gd2Ug aGF2ZSBhIGZhc3QgZXhpdC9lbnRyeSBidXQKPiBzbG93IGNvbnRleHQgc3dpdGNoLgo+Cj4gV2hh dCB3ZSBjdXJyZW50bHkgZG8gaXMgYXZvaWRpbmcgc2F2ZS9yZXN0b3JlIHRoZSBpZGxlIHZDUFUg YmVjYXVzZSB3ZQo+IGFsd2F5cyBzdGF5IGluIHRoZSBoeXBlcnZpc29yIGV4Y2VwdGlvbiBsZXZl bC4gSG93ZXZlciB3ZSBzdGlsbCByZXN0b3JlIGFsbAo+IHRoZSByZWdpc3RlcnMgb2YgdGhlIHBy ZXZpb3VzIHJ1bm5pbmcgdkNQVSBhbmQgcmVzdG9yZSB0aGUgb25lIG9mIHRoZSBuZXh0Cj4gcnVu bmluZyB2Q1BVLgo+Cj4gVGhpcyBoYXMgYSBiaWcgaW1wYWN0IG9uIHRoZSB3b3JrbG9hZCB3aGVu IHJ1bm5pbmcgdkNQVSBhbmQgd2FpdGluZyBmb3IKPiBpbnRlcnJ1cHRzIChoZW5jZSB0aGUgcGF0 Y2ggZnJvbSBTdGVmYW5vIHRvIGxpbWl0IGVudGVyaW5nIGluIHRoZSBoeXBlcnZpc29yCj4gdGhv dWdoIGl0IGlzIG5vdCBieSBkZWZhdWx0KS4KPgo+IEkgbWFkZSB0aGUgYXNzdW1wdGlvbiB0aGUg aWRsZSB2Q1BVIGlzIG9ubHkgcnVubmluZyB3aGVuIG5vdGhpbmcgaGFzIHRvIGJlCj4gZG9uZS4g QnV0IGFzIHlvdSBtZW50aW9uZWQgdGFza2xldCBjYW4gYmUgZG9uZSB0aGVyZSB0b28uIFNvIHJ1 bm5pbmcgdGFza2xldAo+IG9uIFhlbiBBUk0gd2lsbCBoYXZlIGFuIGhpZ2ggY29zdC4KPgo+IEEg bGlzdCBvZiBvcHRpbWl6YXRpb24gd2UgY291bGQgZG8gb24gQVJNIGlzOgo+ICAgICAgICAgLSBB dm9pZGluZyByZXN0b3JlIGlmIHRoZSB2Q1BVIHN0YXkgdGhlIHNhbWUgYmVmb3JlIGFuZCBhZnRl ciBpZGxlCj4gdlBDVQo+ICAgICAgICAgLSBBdm9pZGluZyBzYXZlL3Jlc3RvcmUgaWYgdkNQVSBp cyBkZWRpY2F0ZWQgdG8gYSBwQ1BVCj4KPiBEbyB5b3UgaGF2ZSBhbnkgb3RoZXIgb3B0aW1pemF0 aW9uIG9uIHg4Nj8KPgo+IENoZWVycywKPgo+IC0tCj4gSnVsaWVuIEdyYWxsCgoKCi0tIApXQlIg Vm9sb2R5bXlyIEJhYmNodWsgYWthIGxvcmMgWyszODA5NzY2NDYwMTNdCm1haWx0bzogdmxhZC5i YWJjaHVrQGdtYWlsLmNvbQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpo dHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==