From: "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
To: Alexandru Elisei <alexandru.elisei@arm.com>
Cc: maz@kernel.org, oupton@kernel.org, fuad.tabba@linux.dev,
joey.gouly@arm.com, seiden@linux.ibm.com,
suzuki.poulose@arm.com, yuzenghui@huawei.com,
linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
will@kernel.org, mark.rutland@arm.com,
linux-perf-users@vger.kernel.org, catalin.marinas@arm.com,
james.clark@linaro.org
Subject: Re: [RFC PATCH v7 00/28] KVM: arm64: Add Statistical Profiling Extension (SPE) support
Date: Thu, 5 Nov 2026 19:28:35 +0000 [thread overview]
Message-ID: <auzYnfOQeB44niFy@gremlin> (raw)
In-Reply-To: <auy-TwnMbIn-r2xl@gremlin>
On Thu, Nov 05, 2026 at 05:47:45PM +0000, Lorenzo Stoakes (ARM) wrote:
> Hi Alex,
>
> I've gone through all of the patches now, thank you for your patience with
> the review :)
>
> So there are various dependencies/architectural decisions that need to be
> made here to go from RFC -> non-RFC:
>
> 1. The 'Ignore MMU notifiers for guest_memfd-only memslots' patch [0] is a
> hard dependency for the series. I chased over there, hopefully we can
> get something landed there.
Sean has kindly put together a patch for this, which is now very simplified
given that a dependent fix has landed, so that's good news on that one :)
https://lore.kernel.org/all/auzSxEsGAcm3MYtN@google.com/
--
Cheers, Lorenzo
prev parent reply other threads:[~2026-11-05 20:26 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-03 16:05 [RFC PATCH v7 00/28] KVM: arm64: Add Statistical Profiling Extension (SPE) support Alexandru Elisei
2026-09-03 16:05 ` [RFC PATCH v7 01/28] arm64/sysreg: Add the nVM field to PMBLIMITR_EL1 Alexandru Elisei
2026-10-15 13:23 ` Lorenzo Stoakes (ARM)
2026-09-03 16:05 ` [RFC PATCH v7 02/28] arm64/sysreg: Define MDCR_EL2.E2PB values Alexandru Elisei
2026-10-15 13:52 ` Lorenzo Stoakes (ARM)
2026-09-03 16:05 ` [RFC PATCH v7 03/28] KVM: arm64: Add CONFIG_KVM_ARM_SPE Kconfig option Alexandru Elisei
2026-10-15 14:15 ` Lorenzo Stoakes (ARM)
2026-09-03 16:05 ` [RFC PATCH v7 04/28] perf: arm_spe_pmu: Move struct arm_spe_pmu to a separate header file Alexandru Elisei
2026-10-15 14:40 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 05/28] perf: arm_spe_pmu: Add PMBIDR_EL1 and PMSIDR_EL1 to struct arm_spe_pmu Alexandru Elisei
2026-10-15 15:12 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 06/28] KVM: arm64: Add KVM_CAP_ARM_SPE capability Alexandru Elisei
2026-10-15 16:51 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 07/28] KVM: arm64: Add KVM_ARM_VCPU_SPE VCPU feature Alexandru Elisei
2026-10-16 14:23 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 08/28] HACK! KVM: arm64: Disable SPE virtualization if protected KVM is enabled Alexandru Elisei
2026-10-16 14:30 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 09/28] HACK! KVM: arm64: Enable SPE virtualization only in VHE mode Alexandru Elisei
2026-09-03 16:06 ` [RFC PATCH v7 10/28] HACK! KVM: arm64: Disable SPE virtualization if nested virt is enabled Alexandru Elisei
2026-09-03 16:06 ` [RFC PATCH v7 11/28] KVM: arm64: Add a new VCPU device control group for SPE Alexandru Elisei
2026-10-16 14:44 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 12/28] KVM: arm64: Add SPE VCPU device attribute to set the interrupt number Alexandru Elisei
2026-10-20 17:20 ` Lorenzo Stoakes (ARM)
2026-10-28 16:52 ` Suzuki K Poulose
2026-09-03 16:06 ` [RFC PATCH v7 13/28] KVM: arm64: Add SPE VCPU device attribute to set the SPE device Alexandru Elisei
2026-10-28 13:11 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 14/28] KVM: arm64: Add SPE VCPU device attribute to initialize SPE Alexandru Elisei
2026-10-28 13:45 ` Lorenzo Stoakes (ARM)
2026-10-29 18:03 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 15/28] KVM: arm64: Use PMSVer from the assigned SPE instance Alexandru Elisei
2026-10-28 16:41 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 16/28] KVM: arm64: Add SPE system registers to VCPU context Alexandru Elisei
2026-10-29 15:42 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 17/28] KVM: arm64: Apply a RES0 mask to PMBLIMITR_EL1 writes Alexandru Elisei
2026-10-29 17:23 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 18/28] KVM: arm64: config: Use functions from spe.c to test FEAT_SPE_{FnE,FDS} Alexandru Elisei
2026-10-29 17:47 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 19/28] KVM: arm64: VHE: Context switch SPE state Alexandru Elisei
2026-11-03 16:00 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 20/28] KVM: arm64: Allow guest SPE physical timestamps only if kernel allows it Alexandru Elisei
2026-11-03 17:04 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 21/28] KVM: arm64: Handle SPE maintenance interrupts Alexandru Elisei
2026-11-05 16:05 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 22/28] arm64: errata: Disable SPE in KVM Alexandru Elisei
2026-11-03 20:12 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 23/28] KVM: arm64: Add kvm-arm.ignore_spe_errata kernel parameter Alexandru Elisei
2026-11-03 19:37 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 24/28] arm64: errata: Don't enable guest buffer if misprogrammed Alexandru Elisei
2026-11-05 16:51 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 25/28] KVM: arm64: at: Use callback for reading descriptor Alexandru Elisei
2026-11-03 19:55 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 26/28] KVM: arm64: Map memory on a SPE stage 2 fault Alexandru Elisei
2026-11-05 17:10 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 27/28] KVM: arm64: Handle dirty page logging when SPE feature is set Alexandru Elisei
2026-11-05 17:35 ` Lorenzo Stoakes (ARM)
2026-09-03 16:06 ` [RFC PATCH v7 28/28] KVM: arm64: Allow the creation of a SPE enabled VM Alexandru Elisei
2026-11-03 19:49 ` Lorenzo Stoakes (ARM)
2026-10-15 10:25 ` [RFC PATCH v7 00/28] KVM: arm64: Add Statistical Profiling Extension (SPE) support Alexandru Elisei
2026-10-15 12:50 ` Lorenzo Stoakes (ARM)
2026-10-15 13:22 ` Alexandru Elisei
2026-11-05 17:47 ` Lorenzo Stoakes (ARM)
2026-11-05 19:28 ` Lorenzo Stoakes (ARM) [this message]
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