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Mon, 16 May 2022 08:21:48 +0000 (GMT) Received: from li-ca45c2cc-336f-11b2-a85c-c6e71de567f1.ibm.com (unknown [9.171.50.122]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 16 May 2022 08:21:48 +0000 (GMT) Message-ID: Subject: Re: [kvm-unit-tests PATCH 1/6] s390x: uv-host: Add access checks for donated memory From: Nico Boehr To: Janosch Frank , kvm390 mailing list Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org, imbrenda@linux.ibm.com, thuth@redhat.com, seiden@linux.ibm.com, scgl@linux.ibm.com Date: Mon, 16 May 2022 10:21:48 +0200 In-Reply-To: <20220513095017.16301-2-frankja@linux.ibm.com> References: <20220513095017.16301-1-frankja@linux.ibm.com> <20220513095017.16301-2-frankja@linux.ibm.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 User-Agent: Evolution 3.44.1 (3.44.1-1.fc36) MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: dUnYvca3CODZMwL3XtaE1xBoLSoBeYVF X-Proofpoint-ORIG-GUID: 4V-hWlNIM7Vjjx_y1yNvCmZDcT5g5K5y X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-05-16_03,2022-05-13_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 spamscore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 priorityscore=1501 adultscore=0 mlxlogscore=907 malwarescore=0 phishscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2205160045 Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org T24gRnJpLCAyMDIyLTA1LTEzIGF0IDA5OjUwICswMDAwLCBKYW5vc2NoIEZyYW5rIHdyb3RlOgo+ IExldCdzIGNoZWNrIGlmIHRoZSBVViByZWFsbHkgcHJvdGVjdGVkIGFsbCB0aGUgbWVtb3J5IHdl IGRvbmF0ZWQuCj4gCj4gU2lnbmVkLW9mZi1ieTogSmFub3NjaCBGcmFuayA8ZnJhbmtqYUBsaW51 eC5pYm0uY29tPgoKUmV2aWV3ZWQtYnk6IE5pY28gQm9laHIgPG5yYkBsaW51eC5pYm0uY29tPgoK T25lIHN1Z2dlc3Rpb24gYmVsb3cgZm9yIHlvdSB0byBjb25zaWRlci4KCj4gLS0tCj4gwqBzMzkw eC91di1ob3N0LmMgfCA0MiArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr LS0KPiDCoDEgZmlsZSBjaGFuZ2VkLCA0MCBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+ IAo+IGRpZmYgLS1naXQgYS9zMzkweC91di1ob3N0LmMgYi9zMzkweC91di1ob3N0LmMKPiBpbmRl eCBhMWE2ZDEyMC4uMGYwYjE4YTEgMTAwNjQ0Cj4gLS0tIGEvczM5MHgvdXYtaG9zdC5jCj4gKysr IGIvczM5MHgvdXYtaG9zdC5jCj4gQEAgLTE0Miw3ICsxNDIsOCBAQCBzdGF0aWMgdm9pZCB0ZXN0 X2NwdV9kZXN0cm95KHZvaWQpCj4gwqBzdGF0aWMgdm9pZCB0ZXN0X2NwdV9jcmVhdGUodm9pZCkK PiDCoHsKPiDCoMKgwqDCoMKgwqDCoMKgaW50IHJjOwo+IC3CoMKgwqDCoMKgwqDCoHVuc2lnbmVk IGxvbmcgdG1wOwo+ICvCoMKgwqDCoMKgwqDCoHVuc2lnbmVkIGxvbmcgdG1wLCBpOwo+ICvCoMKg wqDCoMKgwqDCoHVpbnQ4X3QgKmFjY2Vzc19wdHI7Cj4gwqAKPiDCoMKgwqDCoMKgwqDCoMKgcmVw b3J0X3ByZWZpeF9wdXNoKCJjc2MiKTsKPiDCoMKgwqDCoMKgwqDCoMKgdXZjYl9jc2MuaGVhZGVy LmxlbiA9IHNpemVvZih1dmNiX2NzYyk7Cj4gQEAgLTE5NCw2ICsxOTUsMTggQEAgc3RhdGljIHZv aWQgdGVzdF9jcHVfY3JlYXRlKHZvaWQpCj4gwqDCoMKgwqDCoMKgwqDCoHJlcG9ydChyYyA9PSAw ICYmIHV2Y2JfY3NjLmhlYWRlci5yYyA9PSBVVkNfUkNfRVhFQ1VURUQgJiYKPiDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgIHV2Y2JfY3NjLmNwdV9oYW5kbGUsICJzdWNjZXNzIik7Cj4gwqAK PiArwqDCoMKgwqDCoMKgwqByYyA9IDE7Cj4gK8KgwqDCoMKgwqDCoMKgZm9yIChpID0gMDsgaSA8 IHV2Y2JfcXVpLmNwdV9zdG9yX2xlbiAvIFBBR0VfU0laRTsgaSsrKSB7Cj4gK8KgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoGV4cGVjdF9wZ21faW50KCk7Cj4gK8KgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoGFjY2Vzc19wdHIgPSAodm9pZCAqKXV2Y2JfY3NjLnN0b3Jfb3JpZ2luICsg UEFHRV9TSVpFCj4gKiBpOwo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAqYWNjZXNz X3B0ciA9IDQyOwo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBpZiAoY2xlYXJfcGdt X2ludCgpICE9Cj4gUEdNX0lOVF9DT0RFX1NFQ1VSRV9TVE9SX0FDQ0VTUykgewo+ICvCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgcmMgPSAwOwo+ICvCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgYnJlYWs7Cj4gK8KgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoH0KPiArwqDCoMKgwqDCoMKgwqB9Cj4gK8KgwqDCoMKgwqDC oMKgcmVwb3J0KHJjLCAiU3RvcmFnZSBwcm90ZWN0aW9uIik7CgpBbGwgb2YgdGhlc2UgZm9yIGxv b3BzIGxvb2sgcHJldHR5IHNpbWlsYXIsIHdvdWxkIGl0IG1ha2Ugc2Vuc2UgdG8gbW92ZQp0aGVt IHRvIHRoZWlyIG93biBmdW5jdGlvbsKgbGlrZToKCmFzc2VydF9yYW5nZV93cml0ZV9wcm90ZWN0 ZWQodm9pZCAqc3RhcnQsIHNpemVfdCBsZW4sIGludApwZ21faW50X2NvZGUpPwo=