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Tue, 28 Jan 2020 09:04:08 -0800 (PST) MIME-Version: 1.0 References: <0f94706731f30e8407f64064d33a27f549554250.1580148227.git.tamas.lengyel@intel.com> <60bfe54a-0395-228b-d74d-017db819c279@suse.com> In-Reply-To: From: Tamas K Lengyel Date: Tue, 28 Jan 2020 10:03:31 -0700 Message-ID: To: Jan Beulich Subject: Re: [Xen-devel] [PATCH v6 2/9] x86/hvm: introduce hvm_copy_context_and_params X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Xen-devel , Tamas K Lengyel Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gVHVlLCBKYW4gMjgsIDIwMjAgYXQgOTo1OSBBTSBKYW4gQmV1bGljaCA8amJldWxpY2hAc3Vz ZS5jb20+IHdyb3RlOgo+Cj4gT24gMjguMDEuMjAyMCAxNzo1NCwgVGFtYXMgSyBMZW5neWVsIHdy b3RlOgo+ID4gT24gVHVlLCBKYW4gMjgsIDIwMjAgYXQgOTo0OCBBTSBKYW4gQmV1bGljaCA8amJl dWxpY2hAc3VzZS5jb20+IHdyb3RlOgo+ID4+Cj4gPj4gT24gMjcuMDEuMjAyMCAxOTowNiwgVGFt YXMgSyBMZW5neWVsIHdyb3RlOgo+ID4+PiBAQCAtNDEzOSw0OSArNDE0MCwzMiBAQCBzdGF0aWMg aW50IGh2bV9hbGxvd19zZXRfcGFyYW0oc3RydWN0IGRvbWFpbiAqZCwKPiA+Pj4gICAgICByZXR1 cm4gcmM7Cj4gPj4+ICB9Cj4gPj4+Cj4gPj4+IC1zdGF0aWMgaW50IGh2bW9wX3NldF9wYXJhbSgK PiA+Pj4gLSAgICBYRU5fR1VFU1RfSEFORExFX1BBUkFNKHhlbl9odm1fcGFyYW1fdCkgYXJnKQo+ ID4+PiArc3RhdGljIGludCBodm1fc2V0X3BhcmFtKHN0cnVjdCBkb21haW4gKmQsIHVpbnQzMl90 IGluZGV4LCB1aW50NjRfdCB2YWx1ZSkKPiA+Pj4gIHsKPiA+Pj4gICAgICBzdHJ1Y3QgZG9tYWlu ICpjdXJyX2QgPSBjdXJyZW50LT5kb21haW47Cj4gPj4+IC0gICAgc3RydWN0IHhlbl9odm1fcGFy YW0gYTsKPiA+Pj4gLSAgICBzdHJ1Y3QgZG9tYWluICpkOwo+ID4+PiAgICAgIHN0cnVjdCB2Y3B1 ICp2Owo+ID4+PiAgICAgIGludCByYzsKPiA+Pj4KPiA+Pj4gLSAgICBpZiAoIGNvcHlfZnJvbV9n dWVzdCgmYSwgYXJnLCAxKSApCj4gPj4+IC0gICAgICAgIHJldHVybiAtRUZBVUxUOwo+ID4+PiAt Cj4gPj4+IC0gICAgaWYgKCBhLmluZGV4ID49IEhWTV9OUl9QQVJBTVMgKQo+ID4+PiArICAgIGlm ICggaW5kZXggPj0gSFZNX05SX1BBUkFNUyApCj4gPj4+ICAgICAgICAgIHJldHVybiAtRUlOVkFM Owo+ID4+Cj4gPj4gVGhlIGVxdWl2YWxlbnQgb2YgdGhpcyBvbiB0aGUgImdldCIgcGF0aCBub3cg c2VlbXMgdG8gYmUgZ29uZS4gSXMKPiA+PiB0aGVyZSBhbnkgcmVhc29uIHRoZSBvbmUgaGVyZSBp cyBzdGlsbCBuZWVkZWQ/Cj4gPj4KPiA+Pj4gK2ludCBodm1vcF9zZXRfcGFyYW0oCj4gPj4+ICsg ICAgWEVOX0dVRVNUX0hBTkRMRV9QQVJBTSh4ZW5faHZtX3BhcmFtX3QpIGFyZykKPiA+Pj4gK3sK PiA+Pj4gKyAgICBzdHJ1Y3QgeGVuX2h2bV9wYXJhbSBhOwo+ID4+PiArICAgIHN0cnVjdCBkb21h aW4gKmQ7Cj4gPj4+ICsgICAgaW50IHJjOwo+ID4+PiArCj4gPj4+ICsgICAgaWYgKCBjb3B5X2Zy b21fZ3Vlc3QoJmEsIGFyZywgMSkgKQo+ID4+PiArICAgICAgICByZXR1cm4gLUVGQVVMVDsKPiA+ Pj4gKwo+ID4+PiArICAgIGlmICggYS5pbmRleCA+PSBIVk1fTlJfUEFSQU1TICkKPiA+Pj4gKyAg ICAgICAgcmV0dXJuIC1FSU5WQUw7Cj4gPj4+ICsKPiA+Pj4gKyAgICAvKiBNYWtlIHN1cmUgdGhl IGFib3ZlIGJvdW5kIGNoZWNrIGlzIG5vdCBieXBhc3NlZCBkdXJpbmcgc3BlY3VsYXRpb24uICov Cj4gPj4+ICsgICAgYmxvY2tfc3BlY3VsYXRpb24oKTsKPiA+Pj4gKwo+ID4+PiArICAgIGQgPSBy Y3VfbG9ja19kb21haW5fYnlfYW55X2lkKGEuZG9taWQpOwo+ID4+PiArICAgIGlmICggZCA9PSBO VUxMICkKPiA+Pj4gKyAgICAgICAgcmV0dXJuIC1FU1JDSDsKPiA+Pj4gKwo+ID4+PiArICAgIHJj ID0gLUVJTlZBTDsKPiA+Pj4gKyAgICBpZiAoICFpc19odm1fZG9tYWluKGQpICkKPiA+Pj4gKyAg ICAgICAgZ290byBvdXQ7Cj4gPj4KPiA+PiBEZXNwaXRlIHlvdXIgY2xhaW0gdG8gaGF2ZSBhZGRy ZXNzZWQgbXkgcmVtYWluaW5nIGNvbW1lbnQgZnJvbSB2NCwKPiA+PiB5b3Ugc3RpbGwgdXNlIGdv dG8gaGVyZSB3aGVuIHRoZXJlJ3MgYW4gZWFzeSBhbHRlcm5hdGl2ZS4KPiA+Cj4gPiBJIGRpZG4n dCB3cml0ZSB0aGlzIGNvZGUuIFRoaXMgaXMgcHJlZXhpc3RpbmcgY29kZSB0aGF0IEknbSBqdXN0 Cj4gPiBtb3ZpbmcuIEkgZG9uJ3Qgd2FudCB0byByZXdyaXRlIHByZWV4aXN0aW5nIGNvZGUgaGVy ZS4KPgo+IFdlbGwsIHdpdGggdGhlIGNvZGUgbW92ZW1lbnQgeW91IGNvdWxkIChhbmQgaW1vIHNo b3VsZCkgX21vdmVfCj4gdGhlICJvdXQiIGxhYmVsIGluc3RlYWQgb2YgZHVwbGljYXRpbmcgaXQu CgpJIHJlYWxseSByYXRoZXIgbm90IGNoYW5nZSBwcmVleGlzdGluZyBjb2RlIHdoZW4gcG9zc2li bGUuCgpUYW1hcwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcK aHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==