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 21:39:19 +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> <576AC834.2010701@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <576AC834.2010701@arm.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: Andre Przywara , Stefano Stabellini , Tamas K Lengyel , Razvan Cojocaru , Steve Capper List-Id: xen-devel@lists.xenproject.org T24gNi8yMi8yMDE2IDg6MTcgUE0sIEp1bGllbiBHcmFsbCB3cm90ZToKPiBPbiAyMi8wNi8xNiAx NzozNSwgQ29ybmVsaXUgWlVaVSB3cm90ZToKPgo+PiBKdWxpZW4sCj4KPiBIZWxsbyBDb3JuZWxp dSwKPgo+PiBJIHdhcyB0cnlpbmcgdG8gaW1wbGVtZW50IGhhdmluZyBIQ1Igc3RvcmVkIGluIGFy Y2hfZG9tYWluIG9yIGFyY2hfdmNwdQo+PiBhcyBzdWdnZXN0ZWQgYWJvdmUgYW5kIEknbSBhIGJp dCBjb25mdXNlZCBhYm91dCB0aGUgY29kZSBpbgo+PiBwMm1fcmVzdG9yZV9zdGF0ZS4KPj4gSSdt IGhvcGluZyB5b3UgY2FuIHByb3ZpZGUgc29tZSBmZWVkYmFjayBvbiB0aGlzIG1hdHRlci4gSGVy ZSdzIHRoZQo+PiBjdXJyZW50IGltcGxlbWVudGF0aW9uIG9mIHRoZSBmdW5jdGlvbjoKPj4KPj4g ICAgICB2b2lkIHAybV9yZXN0b3JlX3N0YXRlKHN0cnVjdCB2Y3B1ICpuKQo+PiAgICAgIHsKPj4g ICAgICAgICAgcmVnaXN0ZXJfdCBoY3I7Cj4+Cj4+ICAgICAgICAgIGhjciA9IFJFQURfU1lTUkVH KEhDUl9FTDIpOwo+PiAgICAgICAgICBXUklURV9TWVNSRUcoaGNyICYgfkhDUl9WTSwgSENSX0VM Mik7Cj4+ICAgICAgICAgIGlzYigpOwo+Pgo+PiAgICAgICAgICBwMm1fbG9hZF9WVFRCUihuLT5k b21haW4pOwo+PiAgICAgICAgICBpc2IoKTsKPj4KPj4gICAgICAgICAgaWYgKCBpc18zMmJpdF9k b21haW4obi0+ZG9tYWluKSApCj4+ICAgICAgICAgICAgICBoY3IgJj0gfkhDUl9SVzsKPj4gICAg ICAgICAgZWxzZQo+PiAgICAgICAgICAgICAgaGNyIHw9IEhDUl9SVzsKPj4KPj4gICAgICAgICAg V1JJVEVfU1lTUkVHKG4tPmFyY2guc2N0bHIsIFNDVExSX0VMMSk7Cj4+ICAgICAgICAgIGlzYigp Owo+Pgo+PiAgICAgICAgICBXUklURV9TWVNSRUcoaGNyLCBIQ1JfRUwyKTsKPj4gICAgICAgICAg aXNiKCk7Cj4+ICAgICAgfQo+Pgo+PiBGaXJzdCBvZiBhbGwsIEkgc2VlIHRoZSBIQ1JfVk0gYml0 IGJlaW5nIHVuc2V0ICg9MCkgYnV0IEkgZG9uJ3QgcXVpdGUKPj4gdW5kZXJzdGFuZCB3aHkgYW5k IGV2ZW4gbW9yZSBwZWN1bGlhciBpcyB0aGUgZmFjdCB0aGF0IEkgY291bGRuJ3QgZmluZAo+PiBh bnkgcGxhY2Ugd2hlcmUgdGhlIGJpdCBpcyBzZXQgKD0xKSBhZ2Fpbi4KPgo+IEFmdGVyIHRoZSBm aXJzdCB3cml0ZSB0byBIQ1JfRUwyLCAiaGNyIiBzdGlsbCBoYXZlIHRoZSBWTSBiaXQgc2V0IGFz IAo+IHdlIG9ubHkgbWFzayBpdC4gU28gdGhlIHNlY29uZCB3cml0ZSB3aWxsIHJlLXNldCB0aGUg Vk0gYml0Lgo+CgpPb2guLnJpZ2h0LiBEb24ndCBrbm93IGhvdyBJIG1pc3NlZCB0aGF0LCBJIGd1 ZXNzIEkgd2FzIHRvbyBmb2N1c2VkIGluIApmaW5kaW5nIGEgLWRpZmZlcmVudC0gcGxhY2Ugd2hl cmUgSENSIHdhcyBtb2RpZmllZC4KCj4gSSBhbSBub3Qgc3VyZSB3aHkgdGhlIFZNIGJpdCBpcyB1 bnNldC9zZXQgaW4gdGhpcyBmdW5jdGlvbi4gSSBhbSBub3QgCj4gYWJsZSB0byBmaW5kIGEgcGFy YWdyYXBoIGp1c3RpZnlpbmcgaXQgaW4gdGhlIEFSTSBBUk0uIEkgaGF2ZSBDQ2VkIAo+IHNvbWUg QVJNIGZvbGtzIHRvIGNoZWNrIGlmIEkgbWlzc2VkIHNvbWV0aGluZy4KPgoKQW4gYW5zd2VyIHRv IHRoYXQgd291bGQgYmUgdXNlZnVsLiBJJ20gYWxzbyBjdXJpb3VzIGlmIHRoZXJlJ3MgYSByZWFz b24gCndoeSBIQ1JfUlcgaXMgc2V0L3Vuc2V0IGFmdGVyd2FyZHMgYW5kIG5vdCBiZWZvcmUgYW5k IHdoeSB0aGVyZSdzIGFuIAppc2IoKSBhZnRlciBjYWxsaW5nIHAybV9sb2FkX1ZUVEJSIGlmIHRo YXQgZnVuY3Rpb24gYWxyZWFkeSBoYXMgYW4gaXNiKCkgCkAgaXRzIGVuZC4KCj4+IFNlY29uZGx5 LCB3aHkgdGhpcyBvcmRlciBvZiBvcGVyYXRpb25zPyBNb3JlIHNwZWNpZmljYWxseSwgd2h5IGlz Cj4+IHAybV9sb2FkX1ZUVEJSIGRvbmUgYWZ0ZXIgdGhlIEhDUl9WTSBiaXQgaXMgdW5zZXQgYW5k IGJlZm9yZSB0aGUgSENSX1JXCj4+IGJpdCBpcyBzZXQvdW5zZXQ/IENhbid0IHdlIHdyaXRlIEhD UiBvbmx5IG9uY2UgaGVyZT8KPj4gQW5kIGZpbmFsbHksIEkgc2VlIHRoZSBmdW5jdGlvbiBpcyBj YWxsZWQgYnkgY29uc3RydWN0X2RvbTAuIFRoZSBjb2RlCj4+IHRoZXJlIGxvb2tzIGxpa2U6Cj4+ Cj4+ICAgICAgLyoKPj4gICAgICAgKiBUaGUgZm9sbG93aW5nIGxvYWRzIHVzZSB0aGUgZG9tYWlu J3MgcDJtIGFuZCByZXF1aXJlIGN1cnJlbnQgdG8KPj4gICAgICAgKiBiZSBhIHZjcHUgb2YgdGhl IGRvbWFpbiwgdGVtcG9yYXJpbHkgc3dpdGNoCj4+ICAgICAgICovCj4+ICAgICAgc2F2ZWRfY3Vy cmVudCA9IGN1cnJlbnQ7Cj4+ICAgICAgcDJtX3Jlc3RvcmVfc3RhdGUodik7Cj4+ICAgICAgWy4u Ll0KPj4gICAgICAvKiBOb3cgdGhhdCB3ZSBhcmUgZG9uZSByZXN0b3JlIHRoZSBvcmlnaW5hbCBw Mm0gYW5kIGN1cnJlbnQuICovCj4+ICAgICAgc2V0X2N1cnJlbnQoc2F2ZWRfY3VycmVudCk7Cj4+ ICAgICAgcDJtX3Jlc3RvcmVfc3RhdGUoc2F2ZWRfY3VycmVudCk7Cj4+Cj4+IEkgc3VwcG9zZSB0 aGUgc2lnbmlmaWNhbnQgY2hhbmdlcyBwMm1fcmVzdG9yZV9zdGF0ZSBkb2VzIGZvciB0aGUgY29k ZSBpbgo+PiBiZXR3ZWVuICgiWy4uLl0iKSBpcyBzZXR0aW5nIFZUVEJSICYgU0NUTFIgd2hpY2gg YXJlIHVzZWQgYnkgdHJhbnNsYXRpb24KPj4gZnVuY3Rpb25zIHN1Y2ggYXMgZ3ZpcnRfdG9fbWFk ZHIgKHdoaWNoIHNlZW1zIHRvIHVzZSBQQVJfRUwxKS4KPj4gV2hhdCBJIGRvbid0IGdyYXNwIGlz IHdoYXQgZWZmZWN0IHNldHRpbmcgdGhlIFZUVEJSIGhhcyBpZiBIQ1IuSENSX1ZNIGlzCj4+IHVu c2V0IGFuZCBsZWZ0IHVuc2V0Li4uCj4KPiBIQ1IuVk0gaXMgbm90IGxlZnQgdW5zZXQgKHNlZSB3 aHkgYWJvdmUpLgo+Cj4gUmVnYXJkcywKPgoKVGhhbmtzLApDb3JuZWxpdS4KCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxp c3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVs Cg==