From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v3 22/25] xen/arm: Allow vpl011 to be used by DomU Date: Wed, 22 Aug 2018 11:19:34 +0100 Message-ID: References: <1533079688-9541-22-git-send-email-sstabellini@kernel.org> <408adfac-ad76-90bb-80e4-59e438412b72@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Stefano Stabellini Cc: Stefano Stabellini , andrii_anisov@epam.com, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org CgpPbiAxNi8wOC8xOCAyMDoyMSwgU3RlZmFubyBTdGFiZWxsaW5pIHdyb3RlOgo+IE9uIE1vbiwg MTMgQXVnIDIwMTgsIEp1bGllbiBHcmFsbCB3cm90ZToKPj4gSGkgU3RlZmFubywKPj4KPj4gT24g MDEvMDgvMTggMDA6MjgsIFN0ZWZhbm8gU3RhYmVsbGluaSB3cm90ZToKPj4+IE1ha2UgdnBsMDEx IGJlaW5nIGFibGUgdG8gYmUgdXNlZCB3aXRob3V0IGEgdXNlcnNwYWNlIGNvbXBvbmVudCBpbiBE b20wLgo+Pj4gSW4gdGhhdCBjYXNlLCBvdXRwdXQgaXMgcHJpbnRlZCB0byB0aGUgWGVuIHNlcmlh bCBhbmQgaW5wdXQgaXMgcmVjZWl2ZWQKPj4+IGZyb20gdGhlIFhlbiBzZXJpYWwgb25lIGNoYXJh Y3RlciBhdCBhIHRpbWUuCj4+Pgo+Pj4gQ2FsbCBkb21haW5fdnBsMDExX2luaXQgZHVyaW5nIGNv bnN0cnVjdF9kb21VIGlmIHZwbDAxMSBpcyBlbmFibGVkLgo+Pj4KPj4+IEludHJvZHVjZSBhIG5l dyByaW5nIHN0cnVjdCB3aXRoIG9ubHkgdGhlIHJpbmcgYXJyYXkgdG8gYXZvaWQgYSB3YXN0ZSBv Zgo+Pj4gbWVtb3J5LiBJbnRyb2R1Y2Ugc2VwYXJhdGUgcmVhZF9kYXRhIGFuZCB3cml0ZV9kYXRh IGZ1bmN0aW9ucyBmb3IKPj4+IGluaXRpYWwgZG9tYWluczogdnBsMDExX3dyaXRlX2RhdGFfeGVu IGlzIHZlcnkgc2ltcGxlIGFuZCBqdXN0IHdyaXRlcwo+Pj4gdG8gdGhlIGNvbnNvbGUsIHdoaWxl IHZwbDAxMV9yZWFkX2RhdGFfeGVuIGlzIGEgZHVwbGljYXRlIG9mCj4+PiB2cGwwMTFfcmVhZF9k YXRhLiBBbHRob3VnaCB0ZXh0dWFsbHkgYWxtb3N0IGlkZW50aWNhbCwgd2UgYXJlIGZvcmNlZCB0 bwo+Pj4gZHVwbGljYXRlIHRoZSBmdW5jdGlvbnMgYmVjYXVzZSB0aGUgc3RydWN0IGxheW91dCBp cyBkaWZmZXJlbnQuCj4+Pgo+Pj4gT3V0cHV0IGNoYXJhY3RlcnMgYXJlIHByaW50ZWQgb25lIGJ5 IG9uZSwgcG90ZW50aWFsbHkgbGVhZGluZyB0bwo+Pj4gaW50ZXJtaXhlZCBvdXRwdXQgb2YgZGlm ZmVyZW50IGRvbWFpbnMgb24gdGhlIGNvbnNvbGUuIEEgZm9sbG93LXVwIHBhdGNoCj4+PiB3aWxs IHNvbHZlIHRoZSBpc3N1ZSBieSBpbnRyb2R1Y2luZyBidWZmZXJpbmcuCj4+Pgo+Pj4gU2lnbmVk LW9mZi1ieTogU3RlZmFubyBTdGFiZWxsaW5pIDxzdGVmYW5vc0B4aWxpbnguY29tPgo+Pj4gLS0t Cj4+PiBDaGFuZ2VzIGluIHYzOgo+Pj4gLSBhZGQgaW4tY29kZSBjb21tZW50cwo+Pj4gLSBpbXBy b3ZlIGV4aXN0aW5nIGNvbW1lbnRzCj4+PiAtIHJlbW92ZSBpZmRlZiBhcm91bmQgZG9tYWluX3Zw bDAxMV9pbml0IGluIGNvbnN0cnVjdF9kb21VCj4+PiAtIGFkZCBBU1NFUlQKPj4+IC0gdXNlIFNC U0FfVUFSVF9GSUZPX1NJWkUgZm9yIGluIGJ1ZmZlciBzaXplCj4+PiAtIHJlbmFtZSByaW5nX2Vu YWJsZSB0byBiYWNrZW5kX2luX2RvbWFpbgo+Pj4gLSByZW5hbWUgc3RydWN0IHhlbmNvbnNfaW4g dG8gc3RydWN0IHZwbDAxMV94ZW5fYmFja2VuZAo+Pj4gLSByZW5hbWUgaW5yaW5nIGZpZWxkIHRv IHhlbgo+Pj4gLSByZW5hbWUgaGVscGVyIGZ1bmN0aW9ucyBhY2NvcmRpbmdseQo+Pj4gLSByZW1v dmUgdW5uZWNlc3Nhcnkgc3R1YiBpbXBsZW1lbnRhdGlvbiBvZiB2cGwwMTFfcnhfY2hhcgo+Pj4g LSBtb3ZlIHZwbDAxMV9yeF9jaGFyX3hlbiB3aXRoaW4gdGhlIGZpbGUgdG8gYXZvaWQgdGhlIG5l ZWQgb2YgYSBmb3J3YXJkCj4+PiAgICAgZGVjbGFyYXRpb24gb2YgdnBsMDExX2RhdGFfYXZhaWwK Pj4+IC0gZml4IHNtYWxsIGJ1ZyBpbiB2cGwwMTFfcnhfY2hhcl94ZW46IGluY3JlbWVudCBpbl9w cm9kIGJlZm9yZSB1c2luZyBpdAo+Pj4gICAgIHRvIGNoZWNrIHhlbmNvbnNfcXVldWVkLgo+Pj4K Pj4+IENoYW5nZXMgaW4gdjI6Cj4+PiAtIG9ubHkgaW5pdCBpZiB2cGwwMTEKPj4+IC0gcmVuYW1l IHZwbDAxMV9yZWFkX2NoYXIgdG8gdnBsMDExX3J4X2NoYXIKPj4+IC0gcmVtb3ZlIHNwdXJpb3Vz IGNoYW5nZQo+Pj4gLSBmaXggY29kaW5nIHN0eWxlCj4+PiAtIHVzZSBkaWZmZXJlbnQgcmluZyBz dHJ1Y3QKPj4+IC0gbW92ZSB0aGUgd3JpdGVfZGF0YSBjaGFuZ2VzIHRvIHRoZWlyIG93biBmdW5j dGlvbgo+Pj4gICAgICh2cGwwMTFfd3JpdGVfZGF0YV9ub3JpbmcpCj4+PiAtIGR1cGxpY2F0ZSB2 cGwwMTFfcmVhZF9kYXRhCj4+PiAtLS0KPj4+ICAgIHhlbi9hcmNoL2FybS9kb21haW5fYnVpbGQu YyAgfCAgIDkgKy0KPj4+ICAgIHhlbi9hcmNoL2FybS92cGwwMTEuYyAgICAgICAgfCAxOTgKPj4+ ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrLS0tLS0KPj4+ICAgIHhlbi9p bmNsdWRlL2FzbS1hcm0vdnBsMDExLmggfCAgIDggKysKPj4+ICAgIDMgZmlsZXMgY2hhbmdlZCwg MTkyIGluc2VydGlvbnMoKyksIDIzIGRlbGV0aW9ucygtKQo+Pj4KPj4+IGRpZmYgLS1naXQgYS94 ZW4vYXJjaC9hcm0vZG9tYWluX2J1aWxkLmMgYi94ZW4vYXJjaC9hcm0vZG9tYWluX2J1aWxkLmMK Pj4+IGluZGV4IGY5ZmE0ODQuLjA4ODhhNzYgMTAwNjQ0Cj4+PiAtLS0gYS94ZW4vYXJjaC9hcm0v ZG9tYWluX2J1aWxkLmMKPj4+ICsrKyBiL3hlbi9hcmNoL2FybS9kb21haW5fYnVpbGQuYwo+Pj4g QEAgLTI2MzgsNyArMjYzOCwxNCBAQCBzdGF0aWMgaW50IF9faW5pdCBjb25zdHJ1Y3RfZG9tVShz dHJ1Y3QgZG9tYWluICpkLAo+Pj4gc3RydWN0IGR0X2RldmljZV9ub2RlICpub2RlKQo+Pj4gICAg ICAgIGlmICggcmMgPCAwICkKPj4+ICAgICAgICAgICAgcmV0dXJuIHJjOwo+Pj4gICAgLSAgICBy ZXR1cm4gX19jb25zdHJ1Y3RfZG9tYWluKGQsICZraW5mbyk7Cj4+PiArICAgIHJjID0gX19jb25z dHJ1Y3RfZG9tYWluKGQsICZraW5mbyk7Cj4+PiArICAgIGlmICggcmMgPCAwICkKPj4+ICsgICAg ICAgIHJldHVybiByYzsKPj4+ICsKPj4+ICsgICAgaWYgKCBraW5mby52cGwwMTEgKQo+Pj4gKyAg ICAgICAgcmMgPSBkb21haW5fdnBsMDExX2luaXQoZCwgTlVMTCk7Cj4+PiArCj4+PiArICAgIHJl dHVybiByYzsKPj4+ICAgIH0KPj4+ICAgICAgdm9pZCBfX2luaXQgY3JlYXRlX2RvbVVzKHZvaWQp Cj4+PiBkaWZmIC0tZ2l0IGEveGVuL2FyY2gvYXJtL3ZwbDAxMS5jIGIveGVuL2FyY2gvYXJtL3Zw bDAxMS5jCj4+PiBpbmRleCA3MjVhMjAzLi5mMjA2YzYxIDEwMDY0NAo+Pj4gLS0tIGEveGVuL2Fy Y2gvYXJtL3ZwbDAxMS5jCj4+PiArKysgYi94ZW4vYXJjaC9hcm0vdnBsMDExLmMKPj4+IEBAIC03 Nyw2ICs3Nyw5MSBAQCBzdGF0aWMgdm9pZCB2cGwwMTFfdXBkYXRlX2ludGVycnVwdF9zdGF0dXMo c3RydWN0IGRvbWFpbgo+Pj4gKmQpCj4+PiAgICAjZW5kaWYKPj4+ICAgIH0KPj4+ICAgICsvKgo+ Pj4gKyAqIHZwbDAxMV93cml0ZV9kYXRhX3hlbiB3cml0ZXMgY2hhcnMgZnJvbSB0aGUgdnBsMDEx IG91dCBidWZmZXIgdG8gdGhlCj4+PiArICogY29uc29sZS4gT25seSB0byBiZSB1c2VkIHdoZW4g dGhlIGJhY2tlbmQgaXMgWGVuLgo+Pj4gKyAqLwo+Pj4gK3N0YXRpYyB2b2lkIHZwbDAxMV93cml0 ZV9kYXRhX3hlbihzdHJ1Y3QgZG9tYWluICpkLCB1aW50OF90IGRhdGEpCj4+PiArewo+Pj4gKyAg ICB1bnNpZ25lZCBsb25nIGZsYWdzOwo+Pj4gKyAgICBzdHJ1Y3QgdnBsMDExICp2cGwwMTEgPSAm ZC0+YXJjaC52cGwwMTE7Cj4+PiArCj4+PiArICAgIFZQTDAxMV9MT0NLKGQsIGZsYWdzKTsKPj4+ ICsKPj4+ICsgICAgcHJpbnRrKCIlYyIsIGRhdGEpOwo+Pj4gKyAgICBpZiAoZGF0YSA9PSAnXG4n KQo+Pj4gKyAgICAgICAgcHJpbnRrKCJET00ldTogIiwgZC0+ZG9tYWluX2lkKTsKPj4KPj4gVGhl cmUgYXJlIGEgcHJvYmxlbSBpbiB0aGlzIGNvZGUuIFRoZSBmaXJzdCBsaW5lIG9mIGEgZG9tYWlu IHdpbGwgYWx3YXlzCj4+IHByaW50ZWQgd2l0aG91dCAiRE9NJXU6ICIgaW4gZnJvbnQuIFRoaXMg bWVhbnMgeW91IGRvbid0IHJlYWxseSBrbm93IHdoZXJlIGl0Cj4+IGlzIGNvbWluZyBmcm9tIHVu dGlsIHlvdSBnZXQgdGhlIHNlY29uZCBsaW5lLgo+IAo+IFRoaXMgcHJvYmxlbSBpcyBzb2x2ZWQg YnkgdGhlIGZvbGxvdy11cCBwYXRjaCB0aGF0IGludHJvZHVjZXMgY2hhcmFjdGVycwo+IGJ1ZmZl cmluZy4gSSdsbCBtZW50aW9uIGl0IGluIHRoZSBjb21taXQgbWVzc2FnZS4KClRvIGJlIGhvbmVz dCwgdGhpcyBzaG91bGQgYmUgc29sdmVkIGluIHRoaXMgcGF0Y2ggYW5kIG5vdCB0aGUgZm9sbG93 LXVwIG9uZS4KCkNoZWVycywKCi0tIApKdWxpZW4gR3JhbGwKCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRl dmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFp bG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=