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Mon, 8 Jun 2026 12:08:55 +0000 (GMT) Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Mon, 08 Jun 2026 14:08:55 +0200 Message-Id: From: "Nico Boehr" To: "Oliver Upton" , "Andreas Grapentin" Cc: "Steffen Eiden" , , , , , , "Alexander Gordeev" , "Arnd Bergmann" , "Catalin Marinas" , "Christian Borntraeger" , "Claudio Imbrenda" , "David Hildenbrand" , "Friedrich Welter" , "Gautam Gala" , "Hariharan Mari" , "Heiko Carstens" , "Hendrik Brueckner" , "Ilya Leoshkevich" , "Janosch Frank" , "Joey Gouly" , "Marc Zyngier" , "Nico Boehr" , "Nina Schoetterl-Glausch" , "Paolo Bonzini" , "Suzuki K Poulose" , "Sven Schnelle" , "Ulrich Weigand" , "Vasily Gorbik" , "Will Deacon" , "Zenghui Yu" Subject: Re: [PATCH v1 15/26] s390: Add functions to query arm guest time X-Mailer: aerc 0.21.0 References: <20260529155601.2927240-1-seiden@linux.ibm.com> <20260529155601.2927240-16-seiden@linux.ibm.com> In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjA4MDExNCBTYWx0ZWRfXwMmg62f7h0sB RfcqtOVixT1f4AbtezpbVPnnHvj3LHz2fnYbybT7m/eYsZGA85CY3yxfEoQHIBG5+URxkgly1EO zzkIEqD5u0LOyxim1tyw7Lzofi+VcESL2dBXa8V+KQFVYyNWixGCIFyqwHhwLAMjoAkS71njNTw 4/EI3Zbv+ulFK3ntDnu2eU0/jxOqAYJQ3Sn96KlhGr5NqsF5okkRna7t9fIln2Lk/EMtRMkTJPF GxSFXtjqf4I7szJEAUCjecGvE3JBYHS4k0Gs0v1yRqJxFcC8FgMNWI9OnLM7ZQ6BkjGxzoCq2nr uV9DJp8ueyMF0Cy8bWaFEvu8QaPYId/X6n2z7Es4/UT5MQZoB6cIEEoV1bT0MAwdZlPNlD4+sbx ldAhYFivNU0rghPuUbu/oJOyHTk31LTOcgrcGuIrZiF1VYzEM0yr0JbiXnCw4dA8WgQWDWvtQCt g9qCVc5uIR/2K3u7iNQ== X-Authority-Analysis: v=2.4 cv=QKhYgALL c=1 sm=1 tr=0 ts=6a26b0e0 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=HgQSQ640rxy7bNeMIXcA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: huzLH-LR3kW0VDa6TnkgF4yRlFlgHVz1 X-Proofpoint-ORIG-GUID: huzLH-LR3kW0VDa6TnkgF4yRlFlgHVz1 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=2026-06-08_03,2026-06-05_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 adultscore=0 phishscore=0 malwarescore=0 impostorscore=0 suspectscore=0 spamscore=0 clxscore=1011 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606080114 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260608_050920_249870_95B2F20D X-CRM114-Status: GOOD ( 10.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue Jun 2, 2026 at 11:33 PM CEST, Oliver Upton wrote: > I was trying to figure out how these functions > apply to the virtual and "physical" views of the counter inside the VM. I think conceptually these functions affect what is returned by PhysicalCountInt() in ARM pseudocode and thus they apply to both virtual an= d "physical" views inside the VM.