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From: "Nico Boehr" <nrb@linux.ibm.com>
To: "Oliver Upton" <oupton@kernel.org>,
	"Andreas Grapentin" <gra@linux.ibm.com>
Cc: "Steffen Eiden" <seiden@linux.ibm.com>, <kvm@vger.kernel.org>,
	<kvmarm@lists.linux.dev>, <linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <linux-s390@vger.kernel.org>,
	"Alexander Gordeev" <agordeev@linux.ibm.com>,
	"Arnd Bergmann" <arnd@arndb.de>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	"Christian Borntraeger" <borntraeger@linux.ibm.com>,
	"Claudio Imbrenda" <imbrenda@linux.ibm.com>,
	"David Hildenbrand" <david@kernel.org>,
	"Friedrich Welter" <fritz@linux.ibm.com>,
	"Gautam Gala" <ggala@linux.ibm.com>,
	"Hariharan Mari" <hari55@linux.ibm.com>,
	"Heiko Carstens" <hca@linux.ibm.com>,
	"Hendrik Brueckner" <brueckner@linux.ibm.com>,
	"Ilya Leoshkevich" <iii@linux.ibm.com>,
	"Janosch Frank" <frankja@linux.ibm.com>,
	"Joey Gouly" <joey.gouly@arm.com>,
	"Marc Zyngier" <maz@kernel.org>, "Nico Boehr" <nrb@linux.ibm.com>,
	"Nina Schoetterl-Glausch" <oss@nina.schoetterlglausch.eu>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Suzuki K Poulose" <suzuki.poulose@arm.com>,
	"Sven Schnelle" <svens@linux.ibm.com>,
	"Ulrich Weigand" <Ulrich.Weigand@de.ibm.com>,
	"Vasily Gorbik" <gor@linux.ibm.com>,
	"Will Deacon" <will@kernel.org>,
	"Zenghui Yu" <yuzenghui@huawei.com>
Subject: Re: [PATCH v1 15/26] s390: Add functions to query arm guest time
Date: Mon, 08 Jun 2026 14:08:55 +0200	[thread overview]
Message-ID: <DJ3NN3DTFU62.CFTF1O1HOP93@linux.ibm.com> (raw)
In-Reply-To: <ah9MFEq09ISAu9cb@kernel.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 and
"physical" views inside the VM.


  reply	other threads:[~2026-06-08 12:09 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-29 15:55 [PATCH v1 00/26] KVM: arm64 on s390 System Register Handling Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 01/26] KVM: arm64: Extract some feature related changes to kvm_feature.h Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 02/26] KVM: arm64: Remove __expand_field_sign_(un)signed Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 03/26] KVM: arm64: Generalize get_idreg_field_*() Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 04/26] KVM: arm64: Generalize kvm_cmp_feat_*() Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 05/26] KVM: arm64: Generalize kvm_has_feat_* Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 06/26] KVM: arm64: Remove get_idreg_field_*() and kvm_cmp_feat_*() Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 07/26] KVM: arm64: Remove kvm_has_feat_range Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 08/26] KVM: arm64: Split up feature sysreg sanitisation Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 09/26] KVM: arm64: Refactor idreg caching into dedicated structure Steffen Eiden
2026-06-01 22:28   ` Oliver Upton
2026-05-29 15:55 ` [PATCH v1 10/26] KVM: arm64: Fix set_oslsr_el1 to write to OSLAR_EL1 Steffen Eiden
2026-06-01 22:21   ` Oliver Upton
2026-06-02  9:31     ` Andreas Grapentin
2026-05-29 15:55 ` [PATCH v1 11/26] KVM: arm64: Move definitions from sys_regs.c to sys_regs.h Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 12/26] KVM: arm64: Add PVM_ prefix to avoid name collisions Steffen Eiden
2026-06-01 22:23   ` Oliver Upton
2026-06-08  8:09     ` Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 13/26] s390: Introduce read/write ARM sysreg instructions Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 14/26] s390: Introduce Query Available Arm features Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 15/26] s390: Add functions to query arm guest time Steffen Eiden
2026-06-01 22:25   ` Oliver Upton
2026-06-02 13:25     ` Andreas Grapentin
2026-06-02 21:33       ` Oliver Upton
2026-06-08 12:08         ` Nico Boehr [this message]
2026-05-29 15:55 ` [PATCH v1 16/26] KVM: s390: arm64: Add sysreg related functions and definitions Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 17/26] arm64: Extract cputype definitions Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 18/26] arm64: Extract cache definitions Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 19/26] KVM: arm64: Share KVM feature detection macros Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 20/26] KVM: arm64: Share ID reg handling Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 22/26] KVM: arm64: Refactor core " Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 23/26] KVM: s390: arm64: Implement feature sanitisation Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 24/26] KVM: s390: arm64: Implement sysreg handling Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 25/26] KVM: s390: arm64: Implement exception injection Steffen Eiden
2026-05-29 15:55 ` [PATCH v1 26/26] KVM: s390: arm64: Finalize page fault handling Steffen Eiden
2026-06-01 15:52 ` [PATCH v1 00/26] KVM: arm64 on s390 System Register Handling Claudio Imbrenda

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