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Thu, 28 May 2026 13:57:29 +0000 (GMT) Received: from [9.61.144.185] (unknown [9.61.144.185]) by smtpav02.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 28 May 2026 13:57:28 +0000 (GMT) Message-ID: <0b3282c6-cdc5-469e-9aec-1a2b9d22ce08@linux.ibm.com> Date: Thu, 28 May 2026 09:57:28 -0400 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 2/3] KVM: s390: Enable adapter_indicators_set to use mapped pages To: Douglas Freimuth , borntraeger@linux.ibm.com, imbrenda@linux.ibm.com, frankja@linux.ibm.com, david@kernel.org, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, svens@linux.ibm.com, kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260526015323.207343-1-freimuth@linux.ibm.com> <20260526015323.207343-3-freimuth@linux.ibm.com> Content-Language: en-US From: Matthew Rosato In-Reply-To: <20260526015323.207343-3-freimuth@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTI4MDEzOCBTYWx0ZWRfX78V7mkm8WNsa FdWIYE7Ujg2fN2m/y5b8uPXdoMw5AYxcExUX8wBPdEsB0ZbKWxxNNlWmFdTFvZ8XHQ2FMQJFOCZ 71/uoOG4VFOQR1ldrZhFulww+4l8wN4R7pUAVPCMVGVCSmfXC+3JKSfQvMEJbVXKCy6EnXBhboW aIBmfe43nVX/bO3/c/xyt0k77XEd+TKPpYJL7T7PjcO/XFwocoBeS5+Tw5h38KQH8pRhqceooz3 8bgtX71Uwtjc3ApwyxVbOBT0CZqayIV9H8EEQYRJzYFlFg0kWtR0DsoAis8Ncgk2x+fJq00FXwR Gx8Zaasi8/C0fV9/LOL/ohc7jZbnBWoeAOhcals6Z062ZewByxsW/UZivvEcWTU0tQ3Hj2z7Sta bUw5OMhhVR2S4LPK/I/4omYmBb04HWD9APvNdMRYMxwj0Kb+sX2rGXRLT4Z40hn6D0gVnZI2W48 GHB61FkO4gTYRg068cQ== X-Proofpoint-ORIG-GUID: dZ8kwBjkFAijiXyEw2vNGUiujqtCp3w3 X-Authority-Analysis: v=2.4 cv=IJEyzAvG c=1 sm=1 tr=0 ts=6a1849cc cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VnNF1IyMAAAA:8 a=YjX8BNTOaeBdKTrvYLMA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: dZ8kwBjkFAijiXyEw2vNGUiujqtCp3w3 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-05-28_03,2026-05-28_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 clxscore=1015 spamscore=0 bulkscore=0 adultscore=0 priorityscore=1501 malwarescore=0 lowpriorityscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2605280138 On 5/25/26 9:53 PM, Douglas Freimuth wrote: > The s390 adapter_indicators_set function can now be optimized to use > long-term mapped pages when available so that work can be > processed on a fast path when interrupts are disabled. > If adapter indicator pages are not mapped then local mapping is > done on a slow path as it is prior to this patch. For example, Secure > Execution environments will take the local mapping path as it does prior to > this patch. > > Signed-off-by: Douglas Freimuth Review tag was given in v7, please include for v9.