From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: Re: [PATCH v3 13/25] xen/arm: introduce create_domUs Date: Wed, 15 Aug 2018 12:37:20 -0700 (PDT) Message-ID: References: <1533079688-9541-13-git-send-email-sstabellini@kernel.org> 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: Stefano Stabellini , Stefano Stabellini , andrii_anisov@epam.com, andrew.cooper3@citrix.com, xen-devel@lists.xen.org, jbeulich@suse.com List-Id: xen-devel@lists.xenproject.org T24gTW9uLCAxMyBBdWcgMjAxOCwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+IEhpIFN0ZWZhbm8sCj4g Cj4gT24gMDEvMDgvMTggMDA6MjcsIFN0ZWZhbm8gU3RhYmVsbGluaSB3cm90ZToKPiA+IENhbGwg YSBuZXcgZnVuY3Rpb24sICJjcmVhdGVfZG9tVXMiLCBmcm9tIHNldHVwX3hlbiB0byBzdGFydCBE b21VIFZNcy4KPiA+IAo+ID4gSW50cm9kdWNlIHN1cHBvcnQgZm9yIHRoZSAieGVuLGRvbVUiIGNv bXBhdGlibGUgbm9kZSBvbiBkZXZpY2UgdHJlZS4KPiA+IENyZWF0ZSBuZXcgRG9tVSBWTXMgYmFz ZWQgb24gdGhlIGluZm9ybWF0aW9uIGZvdW5kIG9uIGRldmljZSB0cmVlIHVuZGVyCj4gPiAieGVu LGRvbVUiLiBDYWxscyBjb25zdHJ1Y3RfZG9tVSBmb3IgZWFjaCBkb21haW4uCj4gPiAKPiA+IElu dHJvZHVjZSBhIHNpbXBsZSBnbG9iYWwgdmFyaWFibGUgbmFtZWQgbWF4X2luaXRfZG9taWQgdG8g a2VlcCB0cmFjayBvZgo+ID4gdGhlIGluaXRpYWwgYWxsb2NhdGVkIGRvbWlkcy4gSXQgaG9sZHMg dGhlIG1heCBkb21pZCBhbW9uZyB0aGUgaW5pdGlhbAo+ID4gZG9tYWlucy4KPiA+IAo+ID4gTW92 ZSB0aGUgZGlzY2FyZF9pbml0aWFsX21vZHVsZXMgYWZ0ZXIgRG9tVXMgaGF2ZSBiZWVuIGJ1aWx0 Lgo+ID4gCj4gPiBGaXJzdCBjcmVhdGUgZG9tVXMsIHRoZW4gc3RhcnQgZG9tMCAtLSBubyBwb2lu dCBpbiB0cnlpbmcgdG8gc3RhcnQgZG9tMAo+ID4gd2hlbiB0aGUgY3B1IGlzIGJ1c3kuCj4gPiAK PiA+IFNpZ25lZC1vZmYtYnk6IFN0ZWZhbm8gU3RhYmVsbGluaSA8c3RlZmFub3NAeGlsaW54LmNv bT4KPiA+IENDOiBhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tCj4gPiBDQzogamJldWxpY2hAc3Vz ZS5jb20KPiA+IC0tLQo+ID4gQ2hhbmdlcyBpbiB2MzoKPiA+IC0gbW92ZSBwYXRjaCBlYXJsaWVy IGFuZCBpbnRyb2R1Y2UgZW1wdHkgY29uc3RydWN0X2RvbVUgdG8gZml4IGJpc2VjdGlvbgo+ID4g ICAgYnVpbGRzCj4gPiAtIGZpeCBtYXhfaW5pdF9kb21pZCB0byBhY3R1YWxseSBob2xkIHRoZSBt YXggZG9taWQgYW1vbmcgaW5pdGlhbAo+ID4gICAgZG9tYWlucyAoaW5zdGVhZCBvZiBtYXhfZG9t aWQgKyAxKQo+ID4gLSBtb3ZlIGRvbWFpbl91bnBhdXNlX2J5X3N5c3RlbWNvbnRyb2xsZXIoZG9t MCkgYWZ0ZXIgY3JlYXRpbmcgZG9tVXMKPiA+IAo+ID4gQ2hhbmdlcyBpbiB2MjoKPiA+IC0gY29k aW5nIHN0eWxlCj4gPiAtIHNldCBucl9zcGlzIHRvIDMyCj4gPiAtIGludHJvZHVjZSBjcmVhdGVf ZG9tVXMKPiA+IC0tLQo+ID4gICB4ZW4vYXJjaC9hcm0vZG9tYWluX2J1aWxkLmMgfCA0Mgo+ID4g KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrLS0tCj4gPiAgIHhlbi9hcmNo L2FybS9zZXR1cC5jICAgICAgICB8ICA3ICsrKysrKy0KPiA+ICAgeGVuL2luY2x1ZGUvYXNtLWFy bS9zZXR1cC5oIHwgIDMgKysrCj4gPiAgIHhlbi9pbmNsdWRlL2FzbS14ODYvc2V0dXAuaCB8ICAy ICsrCj4gPiAgIDQgZmlsZXMgY2hhbmdlZCwgNTAgaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMo LSkKPiA+IAo+ID4gZGlmZiAtLWdpdCBhL3hlbi9hcmNoL2FybS9kb21haW5fYnVpbGQuYyBiL3hl bi9hcmNoL2FybS9kb21haW5fYnVpbGQuYwo+ID4gaW5kZXggMDgzNTM0MC4uOGY3YWM1NCAxMDA2 NDQKPiA+IC0tLSBhL3hlbi9hcmNoL2FybS9kb21haW5fYnVpbGQuYwo+ID4gKysrIGIveGVuL2Fy Y2gvYXJtL2RvbWFpbl9idWlsZC5jCj4gPiBAQCAtNyw2ICs3LDcgQEAKPiA+ICAgI2luY2x1ZGUg PGFzbS9pcnEuaD4KPiA+ICAgI2luY2x1ZGUgPGFzbS9yZWdzLmg+Cj4gPiAgICNpbmNsdWRlIDx4 ZW4vZXJybm8uaD4KPiA+ICsjaW5jbHVkZSA8eGVuL2Vyci5oPgo+ID4gICAjaW5jbHVkZSA8eGVu L2RldmljZV90cmVlLmg+Cj4gPiAgICNpbmNsdWRlIDx4ZW4vbGliZmR0L2xpYmZkdC5oPgo+ID4g ICAjaW5jbHVkZSA8eGVuL2d1ZXN0X2FjY2Vzcy5oPgo+ID4gQEAgLTIyMDUsNiArMjIwNiw0MyBA QCBzdGF0aWMgaW50IF9faW5pdCBfX2NvbnN0cnVjdF9kb21haW4oc3RydWN0IGRvbWFpbgo+ID4g KmQsIHN0cnVjdCBrZXJuZWxfaW5mbyAqa2luZm8KPiA+ICAgICAgIHJldHVybiAwOwo+ID4gICB9 Cj4gPiAgICtzdGF0aWMgaW50IF9faW5pdCBjb25zdHJ1Y3RfZG9tVShzdHJ1Y3QgZG9tYWluICpk LCBzdHJ1Y3QgZHRfZGV2aWNlX25vZGUKPiA+ICpub2RlKQo+IAo+IEFGQUlDVCwgdGhlIG5vZGUg aXMgbm90IGdvaW5nIHRvIGJlIG1vZGlmaWVkLiBTbyBpdCBzaG91bGQgYmUgY29uc3QgaGVyZS4K Ck9LCgoKPiA+ICt7Cj4gPiArICAgIHJldHVybiAwOwo+IAo+IEFzIEphbiBzYWlkLCB0aGlzIHNo b3VsZCByZXR1cm4gYW4gZXJyb3IgdW50aWwgaXQgaXMgYmVlbiBpbXBsZW1lbnRlZC4KCk9LCgoK PiA+ICt9Cj4gPiArCj4gPiArdm9pZCBfX2luaXQgY3JlYXRlX2RvbVVzKHZvaWQpCj4gPiArewo+ ID4gKyAgICBzdHJ1Y3QgZHRfZGV2aWNlX25vZGUgKm5vZGU7Cj4gPiArICAgIHN0cnVjdCBkdF9k ZXZpY2Vfbm9kZSAqY2hvc2VuID0gZHRfZmluZF9ub2RlX2J5X25hbWUoZHRfaG9zdCwKPiA+ICJj aG9zZW4iKTsKPiAKPiBTYW1lIGhlcmUsIHlvdSB3YW50IHRoZW0gdG8gYmUgY29uc3QuCgpPSwoK Cj4gPiArCj4gPiArICAgIGlmICggY2hvc2VuICE9IE5VTEwgKQo+IAo+IEkgd291bGQgcHJlZmVy IGlmIHdlIGRvbid0IGludHJvZHVjZSBhbm90aGVyIGluZGVudGF0aW9uIGxldmVsIGJ5IGludmVy dGluZwo+IHRoZSBjb25kaXRpb24uCj4gCj4gQWxzbywgaXQgaXMgdmVyeSB1bmxpa2VseSB0byBu b3QgaGF2ZSB0aGUgY2hvc2VuIG5vZGUuIFNvIGl0IG1pZ2h0IGJlIGJldHRlcgo+IHRvIHR1cm4g dGhpcyBpbnRvIGEgcGFuaWMvQlVHX09OLgoKT0sKCgo+ID4gKyAgICB7Cj4gPiArICAgICAgICBk dF9mb3JfZWFjaF9jaGlsZF9ub2RlKGNob3Nlbiwgbm9kZSkKPiA+ICsgICAgICAgIHsKPiA+ICsg ICAgICAgICAgICBzdHJ1Y3QgZG9tYWluICpkOwo+ID4gKyAgICAgICAgICAgIHN0cnVjdCB4ZW5f ZG9tY3RsX2NyZWF0ZWRvbWFpbiBkX2NmZyA9IHsKPiA+ICsgICAgICAgICAgICAgICAgLmFyY2gu Z2ljX3ZlcnNpb24gPSBYRU5fRE9NQ1RMX0NPTkZJR19HSUNfTkFUSVZFLAo+ID4gKyAgICAgICAg ICAgICAgICAuYXJjaC5ucl9zcGlzID0gMzIsCj4gPiArICAgICAgICAgICAgfTsKPiA+ICsKPiA+ ICsgICAgICAgICAgICBpZiAoICFkdF9kZXZpY2VfaXNfY29tcGF0aWJsZShub2RlLCAieGVuLGRv bWFpbiIpICkKPiA+ICsgICAgICAgICAgICAgICAgY29udGludWU7Cj4gPiArCj4gPiArICAgICAg ICAgICAgZCA9IGRvbWFpbl9jcmVhdGUoKyttYXhfaW5pdF9kb21pZCwgJmRfY2ZnLCBmYWxzZSk7 Cj4gPiArICAgICAgICAgICAgaWYgKCBJU19FUlIoZCkgKQo+ID4gKyAgICAgICAgICAgICAgICBw YW5pYygiRXJyb3IgY3JlYXRpbmcgZG9tYWluICVzIiwgZHRfbm9kZV9uYW1lKG5vZGUpKTsKPiA+ ICsKPiA+ICsgICAgICAgICAgICBkLT5pc19jb25zb2xlID0gMTsKPiA+ICsKPiA+ICsgICAgICAg ICAgICBpZiAoIGNvbnN0cnVjdF9kb21VKGQsIG5vZGUpICE9IDAgKQo+ID4gKyAgICAgICAgICAg ICAgICBwYW5pYygiQ291bGQgbm90IHNldCB1cCBkb21haW4gJXMiLCBkdF9ub2RlX25hbWUobm9k ZSkpOwo+ID4gKwo+ID4gKyAgICAgICAgICAgIGRvbWFpbl91bnBhdXNlX2J5X3N5c3RlbWNvbnRy b2xsZXIoZCk7Cj4gPiArICAgICAgICB9Cj4gPiArICAgIH0KPiA+ICt9Cj4gPiArCj4gPiAgIGlu dCBfX2luaXQgY29uc3RydWN0X2RvbTAoc3RydWN0IGRvbWFpbiAqZCkKPiA+ICAgewo+ID4gICAg ICAgY29uc3Qgc3RydWN0IGJvb3RjbWRsaW5lICprZXJuZWwgPQo+ID4gYm9vdF9jbWRsaW5lX2Zp bmRfYnlfa2luZChCT09UTU9EX0tFUk5FTCk7Cj4gPiBAQCAtMjI1OCw5ICsyMjk2LDcgQEAgaW50 IF9faW5pdCBjb25zdHJ1Y3RfZG9tMChzdHJ1Y3QgZG9tYWluICpkKQo+ID4gICAgICAgICAgIHJl dHVybiByYzsKPiA+ICAgICAtICAgIHJjID0gX19jb25zdHJ1Y3RfZG9tYWluKGQsICZraW5mbyk7 Cj4gPiAtICAgIGRpc2NhcmRfaW5pdGlhbF9tb2R1bGVzKCk7Cj4gPiAtICAgIHJldHVybiByYzsK PiA+ICsgICAgcmV0dXJuIF9fY29uc3RydWN0X2RvbWFpbihkLCAma2luZm8pOwo+ID4gICB9Cj4g PiAgICAgLyoKPiA+IGRpZmYgLS1naXQgYS94ZW4vYXJjaC9hcm0vc2V0dXAuYyBiL3hlbi9hcmNo L2FybS9zZXR1cC5jCj4gPiBpbmRleCBjMzIwZGY5Li4wOTY0ODRmIDEwMDY0NAo+ID4gLS0tIGEv eGVuL2FyY2gvYXJtL3NldHVwLmMKPiA+ICsrKyBiL3hlbi9hcmNoL2FybS9zZXR1cC5jCj4gPiBA QCAtNjMsOCArNjMsMTEgQEAgc3RhdGljIHVuc2lnbmVkIGxvbmcgb3B0X3hlbmhlYXBfbWVnYWJ5 dGVzIF9faW5pdGRhdGE7Cj4gPiAgIGludGVnZXJfcGFyYW0oInhlbmhlYXBfbWVnYWJ5dGVzIiwg b3B0X3hlbmhlYXBfbWVnYWJ5dGVzKTsKPiA+ICAgI2VuZGlmCj4gPiAgICtkb21pZF90IF9fcmVh ZF9tb3N0bHkgbWF4X2luaXRfZG9taWQgPSAwOwo+ID4gKwo+ID4gICBzdGF0aWMgX191c2VkIHZv aWQgaW5pdF9kb25lKHZvaWQpCj4gPiAgIHsKPiA+ICsgICAgZGlzY2FyZF9pbml0aWFsX21vZHVs ZXMoKTsKPiA+ICAgICAgIGZyZWVfaW5pdF9tZW1vcnkoKTsKPiA+ICAgICAgIHN0YXJ0dXBfY3B1 X2lkbGVfbG9vcCgpOwo+ID4gICB9Cj4gPiBAQCAtODk0LDcgKzg5Nyw3IEBAIHZvaWQgX19pbml0 IHN0YXJ0X3hlbih1bnNpZ25lZCBsb25nIGJvb3RfcGh5c19vZmZzZXQsCj4gPiAgICAgICBkb20w X2NmZy5hcmNoLmdpY192ZXJzaW9uID0gWEVOX0RPTUNUTF9DT05GSUdfR0lDX05BVElWRTsKPiA+ ICAgICAgIGRvbTBfY2ZnLmFyY2gubnJfc3BpcyA9IGdpY19udW1iZXJfbGluZXMoKSAtIDMyOwo+ ID4gICAtICAgIGRvbTAgPSBkb21haW5fY3JlYXRlKDAsICZkb20wX2NmZywgdHJ1ZSk7Cj4gPiAr ICAgIGRvbTAgPSBkb21haW5fY3JlYXRlKG1heF9pbml0X2RvbWlkLCAmZG9tMF9jZmcsIHRydWUp Owo+ID4gICAgICAgaWYgKCBJU19FUlIoZG9tMCkgfHwgKGFsbG9jX2RvbTBfdmNwdTAoZG9tMCkg PT0gTlVMTCkgKQo+ID4gICAgICAgICAgICAgICBwYW5pYygiRXJyb3IgY3JlYXRpbmcgZG9tYWlu IDAiKTsKPiA+ICAgQEAgLTkxNSw2ICs5MTgsOCBAQCB2b2lkIF9faW5pdCBzdGFydF94ZW4odW5z aWduZWQgbG9uZyBib290X3BoeXNfb2Zmc2V0LAo+ID4gICAgICAgLyogTXVzdCBiZSBkb25lIHBh c3Qgc2V0dGluZyBzeXN0ZW1fc3RhdGUuICovCj4gPiAgICAgICB1bnJlZ2lzdGVyX2luaXRfdmly dHVhbF9yZWdpb24oKTsKPiA+ICAgKyAgICBjcmVhdGVfZG9tVXMoKTsKPiA+ICsKPiA+ICAgICAg IGRvbWFpbl91bnBhdXNlX2J5X3N5c3RlbWNvbnRyb2xsZXIoZG9tMCk7Cj4gPiAgICAgICAgIC8q IFN3aXRjaCBvbiB0byB0aGUgZHluYW1pY2FsbHkgYWxsb2NhdGVkIHN0YWNrIGZvciB0aGUgaWRs ZSB2Y3B1Cj4gPiBkaWZmIC0tZ2l0IGEveGVuL2luY2x1ZGUvYXNtLWFybS9zZXR1cC5oIGIveGVu L2luY2x1ZGUvYXNtLWFybS9zZXR1cC5oCj4gPiBpbmRleCA0NTUxZjcyLi5kOWNkOGUxIDEwMDY0 NAo+ID4gLS0tIGEveGVuL2luY2x1ZGUvYXNtLWFybS9zZXR1cC5oCj4gPiArKysgYi94ZW4vaW5j bHVkZS9hc20tYXJtL3NldHVwLmgKPiA+IEBAIC02Nyw2ICs2Nyw4IEBAIHN0cnVjdCBib290aW5m byB7Cj4gPiAgICAgZXh0ZXJuIHN0cnVjdCBib290aW5mbyBib290aW5mbzsKPiA+ICAgK2V4dGVy biBkb21pZF90IG1heF9pbml0X2RvbWlkOwo+ID4gKwo+ID4gICB2b2lkIGFyY2hfaW5pdF9tZW1v cnkodm9pZCk7Cj4gPiAgICAgdm9pZCBjb3B5X2Zyb21fcGFkZHIodm9pZCAqZHN0LCBwYWRkcl90 IHBhZGRyLCB1bnNpZ25lZCBsb25nIGxlbik7Cj4gPiBAQCAtODMsNiArODUsNyBAQCB2b2lkIGFj cGlfY3JlYXRlX2VmaV9tbWFwX3RhYmxlKHN0cnVjdCBkb21haW4gKmQsCj4gPiAgIGludCBhY3Bp X21ha2VfZWZpX25vZGVzKHZvaWQgKmZkdCwgc3RydWN0IG1lbWJhbmsgdGJsX2FkZFtdKTsKPiA+ ICAgICBpbnQgY29uc3RydWN0X2RvbTAoc3RydWN0IGRvbWFpbiAqZCk7Cj4gPiArdm9pZCBfX2lu aXQgY3JlYXRlX2RvbVVzKHZvaWQpOwo+ID4gICAgIHZvaWQgZGlzY2FyZF9pbml0aWFsX21vZHVs ZXModm9pZCk7Cj4gPiAgIHZvaWQgZHRfdW5yZXNlcnZlZF9yZWdpb25zKHBhZGRyX3QgcywgcGFk ZHJfdCBlLAo+ID4gZGlmZiAtLWdpdCBhL3hlbi9pbmNsdWRlL2FzbS14ODYvc2V0dXAuaCBiL3hl bi9pbmNsdWRlL2FzbS14ODYvc2V0dXAuaAo+ID4gaW5kZXggOGQ0YjllZS4uYzBiZDg2ZiAxMDA2 NDQKPiA+IC0tLSBhL3hlbi9pbmNsdWRlL2FzbS14ODYvc2V0dXAuaAo+ID4gKysrIGIveGVuL2lu Y2x1ZGUvYXNtLXg4Ni9zZXR1cC5oCj4gPiBAQCAtNjYsNCArNjYsNiBAQCBleHRlcm4gYm9vbCBv cHRfZG9tMF9zaGFkb3c7Cj4gPiAgICNlbmRpZgo+ID4gICBleHRlcm4gYm9vbCBkb20wX3B2aDsK PiA+ICAgKyNkZWZpbmUgbWF4X2luaXRfZG9taWQgKDApCj4gPiArCj4gPiAgICNlbmRpZgo+ID4g Cj4gCj4gQ2hlZXJzLAo+IAo+IC0tIAo+IEp1bGllbiBHcmFsbAo+IAoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApY ZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9y Zy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==