From: James Morse <james.morse@arm.com>
To: Marc Zyngier <maz@kernel.org>, kvmarm@lists.cs.columbia.edu
Cc: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org,
Andre Przywara <andre.przywara@arm.com>,
Christoffer Dall <christoffer.dall@arm.com>,
Dave Martin <Dave.Martin@arm.com>,
Jintack Lim <jintack@cs.columbia.edu>,
Alexandru Elisei <alexandru.elisei@arm.com>,
George Cherian <gcherian@marvell.com>,
"Zengtao (B)" <prime.zeng@hisilicon.com>,
Will Deacon <will@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Julien Thierry <julien.thierry.kdev@gmail.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>
Subject: Re: [PATCH 09/26] KVM: arm64: vgic-v3: Take cpu_if pointer directly instead of vcpu
Date: Thu, 7 May 2020 17:26:06 +0100 [thread overview]
Message-ID: <3174eaad-7d8d-0c52-d71c-afc6b991b636@arm.com> (raw)
In-Reply-To: <20200422120050.3693593-10-maz@kernel.org>
Hi Marc, Christoffer,
On 22/04/2020 13:00, Marc Zyngier wrote:
> From: Christoffer Dall <christoffer.dall@arm.com>
>
> If we move the used_lrs field to the version-specific cpu interface
> structure, the following functions only operate on the struct
> vgic_v3_cpu_if and not the full vcpu:
>
> __vgic_v3_save_state
> __vgic_v3_restore_state
> __vgic_v3_activate_traps
> __vgic_v3_deactivate_traps
> __vgic_v3_save_aprs
> __vgic_v3_restore_aprs
>
> This is going to be very useful for nested virt,
... because you don't need to consider whether the vcpu is running in vEL2?
> so move the used_lrs
> field and change the prototypes and implementations of these functions to
> take the cpu_if parameter directly.
> No functional change.
Looks like no change!
Reviewed-by: James Morse <james.morse@arm.com>
Thanks,
James
WARNING: multiple messages have this Message-ID (diff)
From: James Morse <james.morse@arm.com>
To: Marc Zyngier <maz@kernel.org>, kvmarm@lists.cs.columbia.edu
Cc: kvm@vger.kernel.org, Andre Przywara <andre.przywara@arm.com>,
Dave Martin <Dave.Martin@arm.com>, Will Deacon <will@kernel.org>,
George Cherian <gcherian@marvell.com>,
"Zengtao \(B\)" <prime.zeng@hisilicon.com>,
Catalin Marinas <catalin.marinas@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 09/26] KVM: arm64: vgic-v3: Take cpu_if pointer directly instead of vcpu
Date: Thu, 7 May 2020 17:26:06 +0100 [thread overview]
Message-ID: <3174eaad-7d8d-0c52-d71c-afc6b991b636@arm.com> (raw)
In-Reply-To: <20200422120050.3693593-10-maz@kernel.org>
Hi Marc, Christoffer,
On 22/04/2020 13:00, Marc Zyngier wrote:
> From: Christoffer Dall <christoffer.dall@arm.com>
>
> If we move the used_lrs field to the version-specific cpu interface
> structure, the following functions only operate on the struct
> vgic_v3_cpu_if and not the full vcpu:
>
> __vgic_v3_save_state
> __vgic_v3_restore_state
> __vgic_v3_activate_traps
> __vgic_v3_deactivate_traps
> __vgic_v3_save_aprs
> __vgic_v3_restore_aprs
>
> This is going to be very useful for nested virt,
... because you don't need to consider whether the vcpu is running in vEL2?
> so move the used_lrs
> field and change the prototypes and implementations of these functions to
> take the cpu_if parameter directly.
> No functional change.
Looks like no change!
Reviewed-by: James Morse <james.morse@arm.com>
Thanks,
James
_______________________________________________
kvmarm mailing list
kvmarm@lists.cs.columbia.edu
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
WARNING: multiple messages have this Message-ID (diff)
From: James Morse <james.morse@arm.com>
To: Marc Zyngier <maz@kernel.org>, kvmarm@lists.cs.columbia.edu
Cc: Mark Rutland <mark.rutland@arm.com>,
kvm@vger.kernel.org, Suzuki K Poulose <suzuki.poulose@arm.com>,
Andre Przywara <andre.przywara@arm.com>,
Christoffer Dall <christoffer.dall@arm.com>,
Dave Martin <Dave.Martin@arm.com>, Will Deacon <will@kernel.org>,
George Cherian <gcherian@marvell.com>,
Julien Thierry <julien.thierry.kdev@gmail.com>,
"Zengtao \(B\)" <prime.zeng@hisilicon.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
Jintack Lim <jintack@cs.columbia.edu>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 09/26] KVM: arm64: vgic-v3: Take cpu_if pointer directly instead of vcpu
Date: Thu, 7 May 2020 17:26:06 +0100 [thread overview]
Message-ID: <3174eaad-7d8d-0c52-d71c-afc6b991b636@arm.com> (raw)
In-Reply-To: <20200422120050.3693593-10-maz@kernel.org>
Hi Marc, Christoffer,
On 22/04/2020 13:00, Marc Zyngier wrote:
> From: Christoffer Dall <christoffer.dall@arm.com>
>
> If we move the used_lrs field to the version-specific cpu interface
> structure, the following functions only operate on the struct
> vgic_v3_cpu_if and not the full vcpu:
>
> __vgic_v3_save_state
> __vgic_v3_restore_state
> __vgic_v3_activate_traps
> __vgic_v3_deactivate_traps
> __vgic_v3_save_aprs
> __vgic_v3_restore_aprs
>
> This is going to be very useful for nested virt,
... because you don't need to consider whether the vcpu is running in vEL2?
> so move the used_lrs
> field and change the prototypes and implementations of these functions to
> take the cpu_if parameter directly.
> No functional change.
Looks like no change!
Reviewed-by: James Morse <james.morse@arm.com>
Thanks,
James
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-05-07 16:26 UTC|newest]
Thread overview: 234+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 12:00 [PATCH 00/26] KVM: arm64: Preliminary NV patches Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 01/26] KVM: arm64: Check advertised Stage-2 page size capability Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 13:40 ` Suzuki K Poulose
2020-04-22 13:40 ` Suzuki K Poulose
2020-04-22 13:40 ` Suzuki K Poulose
2020-04-22 14:07 ` Marc Zyngier
2020-04-22 14:07 ` Marc Zyngier
2020-04-22 14:07 ` Marc Zyngier
2020-04-22 14:14 ` Suzuki K Poulose
2020-04-22 14:14 ` Suzuki K Poulose
2020-04-22 14:14 ` Suzuki K Poulose
2020-05-07 11:42 ` Alexandru Elisei
2020-05-07 11:42 ` Alexandru Elisei
2020-05-07 11:42 ` Alexandru Elisei
2020-04-22 12:00 ` [PATCH 02/26] KVM: arm64: Move __load_guest_stage2 to kvm_mmu.h Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 13:51 ` Suzuki K Poulose
2020-04-22 13:51 ` Suzuki K Poulose
2020-04-22 13:51 ` Suzuki K Poulose
2020-04-22 13:59 ` Marc Zyngier
2020-04-22 13:59 ` Marc Zyngier
2020-04-22 13:59 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 03/26] KVM: arm64: Factor out stage 2 page table data from struct kvm Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-05 15:26 ` Andrew Scull
2020-05-05 15:26 ` Andrew Scull
2020-05-05 15:26 ` Andrew Scull
2020-05-05 16:32 ` Marc Zyngier
2020-05-05 16:32 ` Marc Zyngier
2020-05-05 16:32 ` Marc Zyngier
2020-05-05 17:23 ` Andrew Scull
2020-05-05 17:23 ` Andrew Scull
2020-05-05 17:23 ` Andrew Scull
2020-05-05 18:10 ` Marc Zyngier
2020-05-05 18:10 ` Marc Zyngier
2020-05-05 18:10 ` Marc Zyngier
2020-05-05 16:03 ` James Morse
2020-05-05 16:03 ` James Morse
2020-05-05 16:03 ` James Morse
2020-05-05 17:59 ` Marc Zyngier
2020-05-05 17:59 ` Marc Zyngier
2020-05-05 17:59 ` Marc Zyngier
2020-05-06 9:30 ` Marc Zyngier
2020-05-06 9:30 ` Marc Zyngier
2020-05-06 9:30 ` Marc Zyngier
2020-05-11 16:38 ` Alexandru Elisei
2020-05-11 16:38 ` Alexandru Elisei
2020-05-11 16:38 ` Alexandru Elisei
2020-05-12 11:17 ` James Morse
2020-05-12 11:17 ` James Morse
2020-05-12 11:17 ` James Morse
2020-05-12 15:47 ` Alexandru Elisei
2020-05-12 15:47 ` Alexandru Elisei
2020-05-12 15:47 ` Alexandru Elisei
2020-05-12 16:13 ` James Morse
2020-05-12 16:13 ` James Morse
2020-05-12 16:13 ` James Morse
2020-05-12 16:53 ` Alexandru Elisei
2020-05-12 16:53 ` Alexandru Elisei
2020-05-12 16:53 ` Alexandru Elisei
2020-05-27 8:41 ` Marc Zyngier
2020-05-27 8:41 ` Marc Zyngier
2020-05-27 8:41 ` Marc Zyngier
2020-05-27 8:45 ` Alexandru Elisei
2020-05-27 8:45 ` Alexandru Elisei
2020-05-27 8:45 ` Alexandru Elisei
2020-04-22 12:00 ` [PATCH 04/26] arm64: Detect the ARMv8.4 TTL feature Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-27 15:55 ` Suzuki K Poulose
2020-04-27 15:55 ` Suzuki K Poulose
2020-04-27 15:55 ` Suzuki K Poulose
2020-04-22 12:00 ` [PATCH 05/26] arm64: Document SW reserved PTE/PMD bits in Stage-2 descriptors Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-05 15:59 ` Andrew Scull
2020-05-05 15:59 ` Andrew Scull
2020-05-05 15:59 ` Andrew Scull
2020-05-06 9:39 ` Marc Zyngier
2020-05-06 9:39 ` Marc Zyngier
2020-05-06 9:39 ` Marc Zyngier
2020-05-06 10:11 ` Andrew Scull
2020-05-06 10:11 ` Andrew Scull
2020-05-06 10:11 ` Andrew Scull
2020-04-22 12:00 ` [PATCH 06/26] arm64: Add level-hinted TLB invalidation helper Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-05 17:16 ` Andrew Scull
2020-05-05 17:16 ` Andrew Scull
2020-05-05 17:16 ` Andrew Scull
2020-05-06 8:05 ` Marc Zyngier
2020-05-06 8:05 ` Marc Zyngier
2020-05-06 8:05 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 07/26] KVM: arm64: Add a level hint to __kvm_tlb_flush_vmid_ipa Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-07 15:08 ` Andrew Scull
2020-05-07 15:08 ` Andrew Scull
2020-05-07 15:08 ` Andrew Scull
2020-05-07 15:13 ` Marc Zyngier
2020-05-07 15:13 ` Marc Zyngier
2020-05-07 15:13 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 08/26] KVM: arm64: Use TTL hint in when invalidating stage-2 translations Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-07 15:13 ` Andrew Scull
2020-05-07 15:13 ` Andrew Scull
2020-05-07 15:13 ` Andrew Scull
2020-05-12 12:04 ` James Morse
2020-05-12 12:04 ` James Morse
2020-05-12 12:04 ` James Morse
2020-05-13 9:06 ` Andrew Scull
2020-05-13 9:06 ` Andrew Scull
2020-05-13 9:06 ` Andrew Scull
2020-05-27 8:59 ` Marc Zyngier
2020-05-27 8:59 ` Marc Zyngier
2020-05-27 8:59 ` Marc Zyngier
2020-05-12 17:26 ` James Morse
2020-05-12 17:26 ` James Morse
2020-05-12 17:26 ` James Morse
2020-04-22 12:00 ` [PATCH 09/26] KVM: arm64: vgic-v3: Take cpu_if pointer directly instead of vcpu Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-07 16:26 ` James Morse [this message]
2020-05-07 16:26 ` James Morse
2020-05-07 16:26 ` James Morse
2020-05-08 12:20 ` Marc Zyngier
2020-05-08 12:20 ` Marc Zyngier
2020-05-08 12:20 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 10/26] KVM: arm64: Refactor vcpu_{read,write}_sys_reg Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-26 16:28 ` James Morse
2020-05-26 16:28 ` James Morse
2020-05-26 16:28 ` James Morse
2020-05-27 10:04 ` Marc Zyngier
2020-05-27 10:04 ` Marc Zyngier
2020-05-27 10:04 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 11/26] KVM: arm64: Add missing reset handlers for PMU emulation Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-26 16:29 ` James Morse
2020-05-26 16:29 ` James Morse
2020-05-26 16:29 ` James Morse
2020-04-22 12:00 ` [PATCH 12/26] KVM: arm64: Move sysreg reset check to boot time Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 13/26] KVM: arm64: Introduce accessor for ctxt->sys_reg Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 14/26] KVM: arm64: hyp: Use ctxt_sys_reg/__vcpu_sys_reg instead of raw sys_regs access Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 15/26] KVM: arm64: sve: Use __vcpu_sys_reg() " Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 16/26] KVM: arm64: pauth: Use ctxt_sys_reg() " Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 17/26] KVM: arm64: debug: " Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 18/26] KVM: arm64: Don't use empty structures as CPU reset state Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-24 4:07 ` Zenghui Yu
2020-04-24 4:07 ` Zenghui Yu
2020-04-24 4:07 ` Zenghui Yu
2020-04-24 7:45 ` Marc Zyngier
2020-04-24 7:45 ` Marc Zyngier
2020-04-24 7:45 ` Marc Zyngier
2020-04-28 1:34 ` Zengtao (B)
2020-04-28 1:34 ` Zengtao (B)
2020-04-28 1:34 ` Zengtao (B)
2020-04-22 12:00 ` [PATCH 19/26] KVM: arm64: Make struct kvm_regs userspace-only Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-26 16:29 ` James Morse
2020-05-26 16:29 ` James Morse
2020-05-26 16:29 ` James Morse
2020-05-27 10:22 ` Marc Zyngier
2020-05-27 10:22 ` Marc Zyngier
2020-05-27 10:22 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 20/26] KVM: arm64: Move ELR_EL1 to the system register array Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-26 16:29 ` James Morse
2020-05-26 16:29 ` James Morse
2020-05-26 16:29 ` James Morse
2020-05-27 10:36 ` Marc Zyngier
2020-05-27 10:36 ` Marc Zyngier
2020-05-27 10:36 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 21/26] KVM: arm64: Move SP_EL1 " Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-26 16:29 ` James Morse
2020-05-26 16:29 ` James Morse
2020-05-26 16:29 ` James Morse
2020-04-22 12:00 ` [PATCH 22/26] KVM: arm64: Disintegrate SPSR array Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-26 16:30 ` James Morse
2020-05-26 16:30 ` James Morse
2020-05-26 16:30 ` James Morse
2020-04-22 12:00 ` [PATCH 23/26] KVM: arm64: Move SPSR_EL1 to the system register array Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-26 16:30 ` James Morse
2020-05-26 16:30 ` James Morse
2020-05-26 16:30 ` James Morse
2020-04-22 12:00 ` [PATCH 24/26] KVM: arm64: timers: Rename kvm_timer_sync_hwstate to kvm_timer_sync_user Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 25/26] KVM: arm64: timers: Move timer registers to the sys_regs file Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` [PATCH 26/26] KVM: arm64: Parametrize exception entry with a target EL Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-04-22 12:00 ` Marc Zyngier
2020-05-19 10:44 ` Mark Rutland
2020-05-19 10:44 ` Mark Rutland
2020-05-19 10:44 ` Mark Rutland
2020-05-27 9:34 ` Marc Zyngier
2020-05-27 9:34 ` Marc Zyngier
2020-05-27 9:34 ` Marc Zyngier
2020-05-27 14:41 ` Mark Rutland
2020-05-27 14:41 ` Mark Rutland
2020-05-27 14:41 ` Mark Rutland
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