From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH 15/22] xen/arm: Don't call p2m_alloc_table from arch_domain_create Date: Fri, 22 Jul 2016 14:00:29 +0100 Message-ID: References: <1469031064-23344-1-git-send-email-julien.grall@arm.com> <1469031064-23344-16-git-send-email-julien.grall@arm.com> <7cb00960-c71c-c7c3-2e73-bfc34e570312@sec.in.tum.de> <53d8f601-7027-50aa-4a65-0136e65beb64@arm.com> <44ccaeb7-6bb0-1cb1-bb46-3774fa78baf8@arm.com> <05fbad72-60b7-bf86-4f8f-8c99f962c4a3@sec.in.tum.de> <62b413a4-9011-1531-125e-a011793438c1@sec.in.tum.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <62b413a4-9011-1531-125e-a011793438c1@sec.in.tum.de> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Sergej Proskurin , xen-devel@lists.xen.org Cc: sstabellini@kernel.org, wei.chen@linaro.org, steve.capper@arm.com List-Id: xen-devel@lists.xenproject.org CgpPbiAyMi8wNy8xNiAxMjowNSwgU2VyZ2VqIFByb3NrdXJpbiB3cm90ZToKPgo+Cj4gT24gMDcv MjIvMjAxNiAxMjozOCBQTSwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+Pgo+Pgo+PiBPbiAyMi8wNy8x NiAxMTozOSwgU2VyZ2VqIFByb3NrdXJpbiB3cm90ZToKPj4+Cj4+Pgo+Pj4gT24gMDcvMjIvMjAx NiAxMjoyNiBQTSwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+Pj4+Cj4+Pj4KPj4+PiBPbiAyMi8wNy8x NiAxMToxNiwgU2VyZ2VqIFByb3NrdXJpbiB3cm90ZToKPj4+Pj4gSGkgSnVsaWVuLAo+Pj4+Cj4+ Pj4gSGVsbG8sCj4+Pj4KPj4+Pj4gT24gMDcvMjIvMjAxNiAxMToxOCBBTSwgSnVsaWVuIEdyYWxs IHdyb3RlOgo+Pj4+Pj4KPj4+Pj4+Cj4+Pj4+PiBPbiAyMi8wNy8xNiAwOTozMiwgU2VyZ2VqIFBy b3NrdXJpbiB3cm90ZToKPj4+Pj4+PiBIaSBKdWxpZW4sCj4+Pj4+Pgo+Pj4+Pj4gSGVsbG8gU2Vy Z2VqLAo+Pj4+Pj4KPj4+Pj4+Pj4gLWludCBwMm1fYWxsb2NfdGFibGUoc3RydWN0IGRvbWFpbiAq ZCkKPj4+Pj4+Pj4gK3N0YXRpYyBpbnQgcDJtX2FsbG9jX3RhYmxlKHN0cnVjdCBkb21haW4gKmQp Cj4+Pj4+Pj4KPj4+Pj4+PiBXaGlsZSBtb3ZpbmcgcGFydHMgb2YgdGhlIGFsdHAybSBjb2RlIG91 dCBvZiAuL3hlbi9hcmNoL2FybS9wMm0uYywKPj4+Pj4+PiB0aGUKPj4+Pj4+PiBmdW5jdGlvbiBw Mm1fYWxsb2NfdGFibGUgbmVlZHMgdG8gYmUgY2FsbGVkIGZyb20KPj4+Pj4+PiAuL3hlbi9hcmNo L2FybS9hbHRwMm0uYwo+Pj4+Pj4+IHRvIGFsbG9jYXRlIHRoZSBpbmRpdmlkdWFsIGFsdHAybSB2 aWV3cy4gSGVuY2UgaXQgc2hvdWxkIG5vdCBiZQo+Pj4+Pj4+IHN0YXRpYy4KPj4+Pj4+Cj4+Pj4+ PiBObywgdGhpcyBmdW5jdGlvbiBzaG91bGQgbm90IGJlIGNhbGxlZCBvdXRzaWRlIHAybS5jIGFz IGl0IHdpbGwgbm90Cj4+Pj4+PiBmdWxseSBpbml0aWFsaXplIHRoZSBwMm0uIFlvdSBuZWVkIHRv IG5lZWQgdG8gcHJvdmlkZSBhIGZ1bmN0aW9uIHRvCj4+Pj4+PiBpbml0aWFsaXplIGEgcDJtIChz dWNoIGFzIHAybV9pbml0KS4KPj4+Pj4+Cj4+Pj4+Cj4+Pj4+IFRoZSBsYXN0IHRpbWUgd2UgaGF2 ZSBkaXNjdXNzZWQgcmV1c2luZyBleGlzdGluZyBjb2RlLCBhbW9uZyBvdGhlcnMsCj4+Pj4+IGZv cgo+Pj4+PiBpbmRpdmlkdWFsIHN0cnVjdCBwMm1fZG9tYWluIGluaXRpYWxpemF0aW9uIHJvdXRp bmVzLiBBbHNvLCB3ZSBoYXZlCj4+Pj4+IGFncmVlZCB0byBtb3ZlIGFsdHAybS1yZWxhdGVkIHBh cnRzIG91dCBvZiBwMm0uYyBpbnRvIGFsdHAybS5jLCB3aGljaAo+Pj4+PiBtYWtlcyBpdCBoYXJk IG5vdCB0byBhY2Nlc3MgcGFydHMgcmVxdWlyZWQgZm9yIGluaXRpYWxpemF0aW9uL3RlYXJkb3du Cj4+Pj4+ICh0aGF0IGFyZSBlcXVhbCBmb3IgYm90aCBwMm0gYW5kIGFsdHAybSkuCj4+Pj4KPj4+ PiBJIHJlbWVtYmVyIHRoaXMgZGlzY3Vzc2lvbi4gSG93ZXZlciwgdGhlIHAybSBpbml0aWFsaXpl L3RlYXJkb3duIHNob3VsZAo+Pj4+IGV4YWN0bHkgYmUgdGhlIHNhbWUgZm9yIHRoZSBob3N0cDJt IGFuZCBhbHRwMm0gKGV4Y2VwdCBmb3IgdGhlIHR5cGUgb2YKPj4+PiB0aGUgcDJtKS4gU28sIGEg ZnVuY3Rpb24gc2hvdWxkIGJlIHByb3ZpZGVkIHRvIGluaXRpYWxpemUgYSBmdWxsIHAybSB0bwo+ Pj4+IGF2b2lkIGNvZGUgZHVwbGljYXRpb24uCj4+Pj4KPj4+Cj4+PiBUaGlzIGlzIGV4YWN0bHkg d2hhdCBoYXMgYmVlbiBkb25lLiBOZXZlcnRoZWxlc3MsIGFsdHAybSB2aWV3cyBhcmUKPj4+IHNv bWV3aGF0IG1vcmUgZHluYW1pYyB0aGFuIGhvc3RwMm0gYW5kIGhlbmNlIHJlcXVpcmUgZnJlcXVl bnQKPj4+IGluaXRpYWxpemF0aW9uL3RlYXJkb3duIG9mIGluZGl2aWR1YWwgdmlld3MuIFRoYXQg aXMsIGJ5IG1vdmluZyBhbHRwMm0KPj4+IHBhcnRzIG91dCBvZiBwMm0uYyB3ZSBzaW1wbHkgbmVl ZCB0byBhY2Nlc3MgdGhpcyBzaGFyZWQgY29kZSBtdWx0aXBsZQo+Pj4gdGltZXMgYXQgcnVudGlt ZSBmcm9tIGRpZmZlcmVudCBhbHRwMm0tcmVsYXRlZCBmdW5jdGlvbnMuIFRoaXMgYXBwbGllcwo+ Pj4gdG8gbW9yZSBmdW5jdGlvbnMgdGhhdCBqdXN0IHRvIHAybV9hbGxvY190YWJsZS4KPj4KPj4g SSBhbSBub3QgY29udmluY2VkIHRoYXQgeW91IG5lZWQgdG8gcmVhbGxvY2F0ZSB0aGUgcm9vdCBw YWdlIGV2ZXJ5IHRpbWUKPj4gcmF0aGVyIHRoYW4gY2xlYXJpbmcgdGhlbS4gQW55d2F5LCBJIHdp bGwgbmVlZCB0byBzZWUgdGhlIGNvZGUgdG8KPj4gdW5kZXJzdGFuZCB3aGF0IGlzIGRvbmUuCj4+ Cj4+IFJlZ2FyZHMsCj4+Cj4KPiBJbiB0aGUgZm9sbG93aW5nLCB5b3Ugd2lsbCBmaW5kIGFuIGV4 Y2VycHQgb2YgYm90aCB0aGUgcDJtLmMgYW5kCj4gYWx0cDJtLmMgY29uY2VybmluZyB0aGUgKGFs dClwMm0gaW5pdGlhbGl6YXRpb24uIFBsZWFzZSBub3RlIHRoYXQKPiBhbHRwMm1faW5pdF9oZWxw ZXIgaXMgY2FsbGVkIGZyb20gZGlmZmVyZW50IGluaXRpYWxpemF0aW9uIHJvdXRpbmVzIGluCj4g YWx0cDJtLmMuIEFsc28sIHBsZWFzZSBjb25zaWRlciB0aGF0IHRoaXMgY29kZSBoYXMgbm90IHll dCBiZWVuIHBvcnRlZAo+IHRvIHlvdXIgcmVjZW50IHBhdGNoZXMuIFBsZWFzZSBsZXQgbWUga25v dyBpZiB5b3UgbmVlZCBtb3JlIGluZm9ybWF0aW9uLgoKPgo+IHN0YXRpYyBpbnQgYWx0cDJtX2lu aXRfaGVscGVyKHN0cnVjdCBkb21haW4gKmQsIHVuc2lnbmVkIGludCBpZHgpCj4gewo+ICAgICBp bnQgcmM7Cj4gICAgIHN0cnVjdCBwMm1fZG9tYWluICpwMm0gPSBkLT5hcmNoLmFsdHAybV9wMm1b aWR4XTsKPgo+ICAgICBpZiAoIHAybSA9PSBOVUxMICkKPiAgICAgewo+ICAgICAgICAgLyogQWxs b2NhdGUgYSBuZXcgYWx0cDJtIHZpZXcuICovCj4gICAgICAgICBwMm0gPSB4emFsbG9jKHN0cnVj dCBwMm1fZG9tYWluKTsKPiAgICAgICAgIGlmICggcDJtID09IE5VTEwpCj4gICAgICAgICB7Cj4g ICAgICAgICAgICAgcmMgPSAtRU5PTUVNOwo+ICAgICAgICAgICAgIGdvdG8gZXJyOwo+ICAgICAg ICAgfQo+ICAgICAgICAgbWVtc2V0KHAybSwgMCwgc2l6ZW9mKHN0cnVjdCBwMm1fZG9tYWluKSk7 Cj4gICAgIH0KPgo+ICAgICAvKiBJbml0aWFsaXplIHRoZSBuZXcgYWx0cDJtIHZpZXcuICovCj4g ICAgIHJjID0gcDJtX2luaXRfb25lKGQsIHAybSk7Cj4gICAgIGlmICggcmMgKQo+ICAgICAgICAg Z290byBlcnI7Cj4KPiAgICAgLyogQWxsb2NhdGUgYSByb290IHRhYmxlIGZvciB0aGUgYWx0cDJt IHZpZXcuICovCj4gICAgIHJjID0gcDJtX2FsbG9jX3RhYmxlKHAybSk7CgpUaGlzIHBhdGNoIG1v dmVkIHAybV9hbGxvY190YWJsZSBjYWxsIGludG8gcDJtX2luaXQgKGkuZSB5b3VyIApwMm1faW5p dF9vbmUpLiBZb3UgY29tcGxhaW5lZCB0aGF0IHRoZSBmdW5jdGlvbiB3YXMgbm90IGV4cG9ydGVk IAphbnltb3JlLCBidXQgeW91IGRpZCBub3QgbG9vayBob3cgaXQgd2FzIGNhbGxlZCBpbiB0aGlz IHBhdGNoLgoKPiAgICAgaWYgKCByYyApCj4gICAgICAgICBnb3RvIGVycjsKPgo+ICAgICBwMm0t PnAybV9jbGFzcyA9IHAybV9hbHRlcm5hdGU7Cj4gICAgIHAybS0+YWNjZXNzX3JlcXVpcmVkID0g MTsKPiAgICAgX2F0b21pY19zZXQoJnAybS0+YWN0aXZlX3ZjcHVzLCAwKTsKPgo+ICAgICBkLT5h cmNoLmFsdHAybV9wMm1baWR4XSA9IHAybTsKPiAgICAgZC0+YXJjaC5hbHRwMm1fdnR0YnJbaWR4 XSA9IHAybS0+dnR0YnIudnR0YnI7CgpSZWdhcmRzLAoKLS0gCkp1bGllbiBHcmFsbAoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxp bmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVu LWRldmVsCg==