From: Leo Yan <leo.yan@arm.com>
To: Alexandru Elisei <alexandru.elisei@arm.com>
Cc: maz@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com,
suzuki.poulose@arm.com, yuzenghui@huawei.com, will@kernel.org,
catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org,
kvmarm@lists.linux.dev, james.clark@linaro.org,
mark.rutland@arm.com, james.morse@arm.com
Subject: Re: [RFC PATCH v6 01/35] arm64/sysreg: Add new SPE fields
Date: Wed, 10 Dec 2025 18:38:27 +0000 [thread overview]
Message-ID: <20251210183827.GA3920451@e132581.arm.com> (raw)
In-Reply-To: <20251114160717.163230-2-alexandru.elisei@arm.com>
On Fri, Nov 14, 2025 at 04:06:42PM +0000, Alexandru Elisei wrote:
[...]
> Sysreg PMBIDR_EL1 3 0 9 10 7
> -Res0 63:12
> +Res0 63:48
> +Field 47:32 MaxBuffSize
> +Res0 31:12
> Enum 11:8 EA
> 0b0000 NotDescribed
> 0b0001 Ignored
> 0b0010 SError
> EndEnum
> -Res0 7:6
> +Enum 7:6 AddrMode
> + 0b00 VM_ONLY
> + 0b01 BOTH
> + 0b10 RESERVED
> + 0b11 nVM_ONLY
> +EndEnum
Not sure how to select the enum names, but seems names above don't match
well to the definitions. How about:
Enum 7:6 AddrMode
0b00 VA_ONLY // Virtual address only
0b01 VA_PA // Virtual and physical address supported
0b10 RESERVED
0b11 VM_PA_ONLY // Physical address only in VM
Thanks,
Leo
next prev parent reply other threads:[~2025-12-10 18:38 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-14 16:06 [RFC PATCH v6 00/35] KVM: arm64: Add Statistical Profiling Extension (SPE) support Alexandru Elisei
2025-11-14 16:06 ` [RFC PATCH v6 01/35] arm64/sysreg: Add new SPE fields Alexandru Elisei
2025-12-10 18:38 ` Leo Yan [this message]
2025-12-12 9:39 ` Alexandru Elisei
2025-12-15 21:42 ` Suzuki K Poulose
2025-11-14 16:06 ` [RFC PATCH v6 02/35] arm64/sysreg: Define MDCR_EL2.E2PB values Alexandru Elisei
2025-12-15 21:33 ` Suzuki K Poulose
2025-11-14 16:06 ` [RFC PATCH v6 03/35] KVM: arm64: Add CONFIG_KVM_ARM_SPE Kconfig option Alexandru Elisei
2025-11-14 16:06 ` [RFC PATCH v6 04/35] perf: arm_spe_pmu: Move struct arm_spe_pmu to a separate header file Alexandru Elisei
2025-11-14 16:06 ` [RFC PATCH v6 05/35] KVM: arm64: Add KVM_CAP_ARM_SPE capability Alexandru Elisei
2025-12-14 12:18 ` Leo Yan
2025-12-15 11:46 ` Alexandru Elisei
2025-11-14 16:06 ` [RFC PATCH v6 06/35] KVM: arm64: Add KVM_ARM_VCPU_SPE VCPU feature Alexandru Elisei
2025-11-14 16:06 ` [RFC PATCH v6 07/35] HACK! KVM: arm64: Disable SPE virtualization if protected KVM is enabled Alexandru Elisei
2025-11-14 16:06 ` [RFC PATCH v6 08/35] HACK! KVM: arm64: Enable SPE virtualization only in VHE mode Alexandru Elisei
2025-12-15 17:49 ` Leo Yan
2025-11-14 16:06 ` [RFC PATCH v6 09/35] HACK! KVM: arm64: Disable SPE virtualization if nested virt is enabled Alexandru Elisei
2025-11-14 16:06 ` [RFC PATCH v6 10/35] KVM: arm64: Add a new VCPU device control group for SPE Alexandru Elisei
2025-11-14 16:06 ` [RFC PATCH v6 11/35] KVM: arm64: Add SPE VCPU device attribute to set the interrupt number Alexandru Elisei
2025-11-14 16:06 ` [RFC PATCH v6 12/35] KVM: arm64: Add SPE VCPU device attribute to set the SPU device Alexandru Elisei
2025-11-14 16:06 ` [RFC PATCH v6 13/35] perf: arm_spe_pmu: Add PMBIDR_EL1 to struct arm_spe_pmu Alexandru Elisei
2025-11-14 16:06 ` [RFC PATCH v6 14/35] KVM: arm64: Add SPE VCPU device attribute to set the max buffer size Alexandru Elisei
2025-11-14 16:06 ` [RFC PATCH v6 15/35] KVM: arm64: Add SPE VCPU device attribute to initialize SPE Alexandru Elisei
2025-11-14 16:06 ` [RFC PATCH v6 16/35] KVM: arm64: Advertise SPE version in ID_AA64DFR0_EL1.PMSver Alexandru Elisei
2025-12-16 11:40 ` Suzuki K Poulose
2025-11-14 16:06 ` [RFC PATCH v6 17/35] KVM: arm64: Add writable SPE system registers to VCPU context Alexandru Elisei
2025-12-16 11:54 ` Suzuki K Poulose
2025-11-14 16:06 ` [RFC PATCH v6 18/35] perf: arm_spe_pmu: Add PMSIDR_EL1 to struct arm_spe_pmu Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 19/35] KVM: arm64: Trap PMBIDR_EL1 and PMSIDR_EL1 Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 20/35] KVM: arm64: config: Use functions from spe.c to test FEAT_SPE_{FnE,FDS} Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 21/35] KVM: arm64: Check for unsupported CPU early in kvm_arch_vcpu_load() Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 22/35] KVM: arm64: VHE: Context switch SPE state Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 23/35] KVM: arm64: Allow guest SPE physical timestamps only if perfmon_capable() Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 24/35] KVM: arm64: Handle SPE hardware maintenance interrupts Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 25/35] KVM: arm64: Add basic handling of SPE buffer control registers writes Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 26/35] KVM: arm64: Add comment to explain how trapped SPE registers are handled Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 27/35] KVM: arm64: Make MTE functions public Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 28/35] KVM: arm64: at: Use callback for reading descriptor Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 29/35] KVM: arm64: Pin the SPE buffer in the host and map it at stage 2 Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 30/35] KVM: Propagate MMU event to the MMU notifier handlers Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 31/35] KVM: arm64: Handle MMU notifiers for the SPE buffer Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 32/35] KVM: Add KVM_EXIT_RLIMIT exit_reason Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 33/35] KVM: arm64: Implement locked memory accounting for the SPE buffer Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 34/35] KVM: arm64: Add hugetlb support for SPE Alexandru Elisei
2025-11-14 16:07 ` [RFC PATCH v6 35/35] KVM: arm64: Allow the creation of a SPE enabled VM Alexandru Elisei
2025-12-11 16:34 ` [RFC PATCH v6 00/35] KVM: arm64: Add Statistical Profiling Extension (SPE) support Leo Yan
2025-12-12 10:18 ` Alexandru Elisei
2025-12-12 11:15 ` Leo Yan
2025-12-12 11:54 ` Alexandru Elisei
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