From mboxrd@z Thu Jan 1 00:00:00 1970 From: Corneliu ZUZU Subject: Re: [PATCH 7/7] vm-event/arm: implement support for control-register write vm-events Date: Wed, 22 Jun 2016 19:35:06 +0300 Message-ID: References: <1466085888-7428-1-git-send-email-czuzu@bitdefender.com> <1466086403-7749-1-git-send-email-czuzu@bitdefender.com> <5762D8AD.7070208@arm.com> <196523e7-285c-51a3-c48a-eff45d40a342@bitdefender.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <196523e7-285c-51a3-c48a-eff45d40a342@bitdefender.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Julien Grall , xen-devel@lists.xen.org Cc: Stefano Stabellini , Tamas K Lengyel , Razvan Cojocaru List-Id: xen-devel@lists.xenproject.org T24gNi8xNy8yMDE2IDE6MzYgUE0sIENvcm5lbGl1IFpVWlUgd3JvdGU6Cj4gT24gNi8xNi8yMDE2 IDc6NDkgUE0sIEp1bGllbiBHcmFsbCB3cm90ZToKPj4gSGVsbG8gQ29ybmVsaXUsCj4+Cj4+IE9u IDE2LzA2LzE2IDE1OjEzLCBDb3JuZWxpdSBaVVpVIHdyb3RlOgo+Pgo+Pj4gKyAgICBjYXNlIE1X U19UVEJDUjoKPj4+ICsgICAgICAgIE1XU19FTVVMKFRUQkNSKTsKPj4+ICsgICAgICAgIGJyZWFr Owo+Pj4gKyAgICBkZWZhdWx0Ogo+Pj4gKyAgICAgICAgYnJlYWs7Cj4+PiArICAgIH0KPj4+ICsK Pj4+ICsgICAgdy0+c3RhdHVzID0gTVdTX05PV1JJVEU7Cj4+PiArfQo+Pj4gKwo+Pj4gK3N0YXRp YyBpbmxpbmUgdm9pZCB2Y3B1X2VudGVyX2FkanVzdF90cmFwcyhzdHJ1Y3QgdmNwdSAqdikKPj4+ ICt7Cj4+PiArICAgIHJlZ2lzdGVyX3Qgb2xkX2hjciwgaGNyOwo+Pj4gKwo+Pj4gKyAgICBoY3Ig PSAob2xkX2hjciA9IFJFQURfU1lTUkVHKEhDUl9FTDIpKTsKPj4+ICsKPj4+ICsgICAgaWYgKCB1 bmxpa2VseSgwICE9IAo+Pj4gdi0+ZG9tYWluLT5hcmNoLm1vbml0b3Iud3JpdGVfY3RybHJlZ19l bmFibGVkKSApCj4+PiArICAgICAgICBoY3IgfD0gSENSX1RWTTsKPj4+ICsgICAgZWxzZQo+Pj4g KyAgICAgICAgaGNyICY9IH5IQ1JfVFZNOwo+Pj4gKwo+Pj4gKyAgICBpZiAoIHVubGlrZWx5KGhj ciAhPSBvbGRfaGNyKSApCj4+PiArICAgIHsKPj4+ICsgICAgICAgIFdSSVRFX1NZU1JFRyhoY3Is IEhDUl9FTDIpOwo+Pj4gKyAgICAgICAgaXNiKCk7Cj4+PiArICAgIH0KPj4KPj4gVGhlIEhDUiBy ZWdpc3RlciBpcyBhbHNvIHVwZGF0ZWQgaW4gcDJtX3Jlc3RvcmVfc3RhdGUgdG8gc2V0IAo+PiBI Q1JfRUwyLlJXLiBJIHdvdWxkIHByZWZlciB0byBoYXZlIGEgc2luZ2xlIHBsYWNlIHdoZXJlIEhD UiBpcyB1cGRhdGVkLgo+Pgo+PiBNYXliZSB3ZSBzaG91bGQgc3RvcmUgdGhlIEhDUiB2YWx1ZSBw ZXItZG9tYWluPwo+Cj4gWWVzLCB0aGF0IHdvdWxkIGJlIG5pY2UuIFdpbGwgbG9vayBpbnRvIHRo YXQgZm9yIHYyLgoKSnVsaWVuLAoKSSB3YXMgdHJ5aW5nIHRvIGltcGxlbWVudCBoYXZpbmcgSENS IHN0b3JlZCBpbiBhcmNoX2RvbWFpbiBvciBhcmNoX3ZjcHUgCmFzIHN1Z2dlc3RlZCBhYm92ZSBh bmQgSSdtIGEgYml0IGNvbmZ1c2VkIGFib3V0IHRoZSBjb2RlIGluIApwMm1fcmVzdG9yZV9zdGF0 ZS4KSSdtIGhvcGluZyB5b3UgY2FuIHByb3ZpZGUgc29tZSBmZWVkYmFjayBvbiB0aGlzIG1hdHRl ci4gSGVyZSdzIHRoZSAKY3VycmVudCBpbXBsZW1lbnRhdGlvbiBvZiB0aGUgZnVuY3Rpb246Cgog ICAgIHZvaWQgcDJtX3Jlc3RvcmVfc3RhdGUoc3RydWN0IHZjcHUgKm4pCiAgICAgewogICAgICAg ICByZWdpc3Rlcl90IGhjcjsKCiAgICAgICAgIGhjciA9IFJFQURfU1lTUkVHKEhDUl9FTDIpOwog ICAgICAgICBXUklURV9TWVNSRUcoaGNyICYgfkhDUl9WTSwgSENSX0VMMik7CiAgICAgICAgIGlz YigpOwoKICAgICAgICAgcDJtX2xvYWRfVlRUQlIobi0+ZG9tYWluKTsKICAgICAgICAgaXNiKCk7 CgogICAgICAgICBpZiAoIGlzXzMyYml0X2RvbWFpbihuLT5kb21haW4pICkKICAgICAgICAgICAg IGhjciAmPSB+SENSX1JXOwogICAgICAgICBlbHNlCiAgICAgICAgICAgICBoY3IgfD0gSENSX1JX OwoKICAgICAgICAgV1JJVEVfU1lTUkVHKG4tPmFyY2guc2N0bHIsIFNDVExSX0VMMSk7CiAgICAg ICAgIGlzYigpOwoKICAgICAgICAgV1JJVEVfU1lTUkVHKGhjciwgSENSX0VMMik7CiAgICAgICAg IGlzYigpOwogICAgIH0KCkZpcnN0IG9mIGFsbCwgSSBzZWUgdGhlIEhDUl9WTSBiaXQgYmVpbmcg dW5zZXQgKD0wKSBidXQgSSBkb24ndCBxdWl0ZSAKdW5kZXJzdGFuZCB3aHkgYW5kIGV2ZW4gbW9y ZSBwZWN1bGlhciBpcyB0aGUgZmFjdCB0aGF0IEkgY291bGRuJ3QgZmluZCAKYW55IHBsYWNlIHdo ZXJlIHRoZSBiaXQgaXMgc2V0ICg9MSkgYWdhaW4uClNlY29uZGx5LCB3aHkgdGhpcyBvcmRlciBv ZiBvcGVyYXRpb25zPyBNb3JlIHNwZWNpZmljYWxseSwgd2h5IGlzIApwMm1fbG9hZF9WVFRCUiBk b25lIGFmdGVyIHRoZSBIQ1JfVk0gYml0IGlzIHVuc2V0IGFuZCBiZWZvcmUgdGhlIEhDUl9SVyAK Yml0IGlzIHNldC91bnNldD8gQ2FuJ3Qgd2Ugd3JpdGUgSENSIG9ubHkgb25jZSBoZXJlPwpBbmQg ZmluYWxseSwgSSBzZWUgdGhlIGZ1bmN0aW9uIGlzIGNhbGxlZCBieSBjb25zdHJ1Y3RfZG9tMC4g VGhlIGNvZGUgCnRoZXJlIGxvb2tzIGxpa2U6CgogICAgIC8qCiAgICAgICogVGhlIGZvbGxvd2lu ZyBsb2FkcyB1c2UgdGhlIGRvbWFpbidzIHAybSBhbmQgcmVxdWlyZSBjdXJyZW50IHRvCiAgICAg ICogYmUgYSB2Y3B1IG9mIHRoZSBkb21haW4sIHRlbXBvcmFyaWx5IHN3aXRjaAogICAgICAqLwog ICAgIHNhdmVkX2N1cnJlbnQgPSBjdXJyZW50OwogICAgIHAybV9yZXN0b3JlX3N0YXRlKHYpOwog ICAgIFsuLi5dCiAgICAgLyogTm93IHRoYXQgd2UgYXJlIGRvbmUgcmVzdG9yZSB0aGUgb3JpZ2lu YWwgcDJtIGFuZCBjdXJyZW50LiAqLwogICAgIHNldF9jdXJyZW50KHNhdmVkX2N1cnJlbnQpOwog ICAgIHAybV9yZXN0b3JlX3N0YXRlKHNhdmVkX2N1cnJlbnQpOwoKSSBzdXBwb3NlIHRoZSBzaWdu aWZpY2FudCBjaGFuZ2VzIHAybV9yZXN0b3JlX3N0YXRlIGRvZXMgZm9yIHRoZSBjb2RlIGluIApi ZXR3ZWVuICgiWy4uLl0iKSBpcyBzZXR0aW5nIFZUVEJSICYgU0NUTFIgd2hpY2ggYXJlIHVzZWQg YnkgdHJhbnNsYXRpb24gCmZ1bmN0aW9ucyBzdWNoIGFzIGd2aXJ0X3RvX21hZGRyICh3aGljaCBz ZWVtcyB0byB1c2UgUEFSX0VMMSkuCldoYXQgSSBkb24ndCBncmFzcCBpcyB3aGF0IGVmZmVjdCBz ZXR0aW5nIHRoZSBWVFRCUiBoYXMgaWYgSENSLkhDUl9WTSBpcyAKdW5zZXQgYW5kIGxlZnQgdW5z ZXQuLi4KClRoYW5rcywKQ29ybmVsaXUuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54 ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=