From: David Brazdil <dbrazdil@google.com>
To: Marc Zyngier <maz@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
kernel-team@android.com,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Andrew Walbran <qwandor@google.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Quentin Perret <qperret@google.com>,
linux-kernel@vger.kernel.org, James Morse <james.morse@arm.com>,
linux-arm-kernel@lists.infradead.org, Tejun Heo <tj@kernel.org>,
Dennis Zhou <dennis@kernel.org>, Christoph Lameter <cl@linux.com>,
Will Deacon <will@kernel.org>,
kvmarm@lists.cs.columbia.edu,
Julien Thierry <julien.thierry.kdev@gmail.com>,
Andrew Scull <ascull@google.com>
Subject: Re: [PATCH v1 01/24] psci: Accessor for configured PSCI version
Date: Wed, 11 Nov 2020 11:31:47 +0000 [thread overview]
Message-ID: <20201111113147.ddoqadqaw6hcukow@google.com> (raw)
In-Reply-To: <ba9c8ccf25ff82b834ab78930570b993@kernel.org>
> > +
> > struct psci_operations {
> > u32 (*get_version)(void);
> > int (*cpu_suspend)(u32 state, unsigned long entry_point);
>
> I still maintain that populating .get_version in all cases instead of
> duplicating an existing functionality is a better outcome. PSCI not
> supported would be implied by .get_version being NULL.
>
> What breaks?
Must have missed that suggestion before. Good idea, I'll do that.
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next prev parent reply other threads:[~2020-11-11 11:32 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-09 11:32 [PATCH v1 00/24] Opt-in always-on nVHE hypervisor David Brazdil
2020-11-09 11:32 ` [PATCH v1 01/24] psci: Accessor for configured PSCI version David Brazdil
2020-11-10 14:43 ` Marc Zyngier
2020-11-11 11:31 ` David Brazdil [this message]
2020-11-09 11:32 ` [PATCH v1 02/24] psci: Accessor for configured PSCI function IDs David Brazdil
2020-11-09 11:32 ` [PATCH v1 03/24] arm64: Move MAIR_EL1_SET to asm/memory.h David Brazdil
2020-11-10 14:49 ` Marc Zyngier
2020-11-09 11:32 ` [PATCH v1 04/24] kvm: arm64: Initialize MAIR_EL2 using a constant David Brazdil
2020-11-09 11:32 ` [PATCH v1 05/24] kvm: arm64: Add .hyp.data..ro_after_init ELF section David Brazdil
2020-11-09 11:32 ` [PATCH v1 06/24] kvm: arm64: Support per_cpu_ptr in nVHE hyp code David Brazdil
2020-11-10 15:08 ` Marc Zyngier
2020-11-11 12:32 ` David Brazdil
2020-11-11 12:46 ` Marc Zyngier
2020-11-09 11:32 ` [PATCH v1 07/24] kvm: arm64: Create nVHE copy of cpu_logical_map David Brazdil
2020-11-10 15:24 ` Marc Zyngier
2020-11-11 13:03 ` David Brazdil
2020-11-11 13:29 ` Marc Zyngier
2020-11-11 13:45 ` David Brazdil
2020-11-11 13:52 ` Marc Zyngier
2020-11-09 11:32 ` [PATCH v1 08/24] kvm: arm64: Move hyp-init params to a per-CPU struct David Brazdil
2020-11-10 15:30 ` Marc Zyngier
2020-11-09 11:32 ` [PATCH v1 09/24] kvm: arm64: Refactor handle_trap to use a switch David Brazdil
2020-11-09 11:32 ` [PATCH v1 10/24] kvm: arm64: Extract parts of el2_setup into a macro David Brazdil
2020-11-10 15:56 ` Marc Zyngier
2020-11-16 17:56 ` David Brazdil
2020-11-09 11:32 ` [PATCH v1 11/24] kvm: arm64: Add SMC handler in nVHE EL2 David Brazdil
2020-11-11 12:12 ` Marc Zyngier
2020-11-09 11:32 ` [PATCH v1 12/24] kvm: arm64: Extract __do_hyp_init into a helper function David Brazdil
2020-11-09 11:32 ` [PATCH v1 13/24] kvm: arm64: Add CPU entry point in nVHE hyp David Brazdil
2020-11-11 11:57 ` Marc Zyngier
2020-11-16 11:49 ` David Brazdil
2020-11-16 12:40 ` Marc Zyngier
2020-11-09 11:32 ` [PATCH v1 14/24] kvm: arm64: Add function to enter host from KVM nVHE hyp code David Brazdil
2020-11-09 11:32 ` [PATCH v1 15/24] kvm: arm64: Bootstrap PSCI SMC handler in nVHE EL2 David Brazdil
2020-11-11 13:18 ` Marc Zyngier
2020-11-09 11:32 ` [PATCH v1 16/24] kvm: arm64: Add offset for hyp VA <-> PA conversion David Brazdil
2020-11-11 13:47 ` Marc Zyngier
2020-11-09 11:32 ` [PATCH v1 17/24] kvm: arm64: Add __hyp_pa_symbol helper macro David Brazdil
2020-11-09 16:59 ` Quentin Perret
2020-11-09 18:10 ` Marc Zyngier
2020-11-10 9:24 ` David Brazdil
2020-11-09 11:32 ` [PATCH v1 18/24] kvm: arm64: Forward safe PSCI SMCs coming from host David Brazdil
2020-11-09 11:32 ` [PATCH v1 19/24] kvm: arm64: Intercept host's PSCI_CPU_ON SMCs David Brazdil
2020-11-09 11:32 ` [PATCH v1 20/24] kvm: arm64: Intercept host's CPU_SUSPEND PSCI SMCs David Brazdil
2020-11-09 11:32 ` [PATCH v1 21/24] kvm: arm64: Add kvm-arm.protected early kernel parameter David Brazdil
2020-11-09 11:32 ` [PATCH v1 22/24] kvm: arm64: Keep nVHE EL2 vector installed David Brazdil
2020-11-09 11:32 ` [PATCH v1 23/24] kvm: arm64: Trap host SMCs in protected mode David Brazdil
2020-11-10 5:02 ` kernel test robot
2020-11-10 9:03 ` Marc Zyngier
2020-11-10 13:00 ` David Brazdil
2020-11-09 11:32 ` [PATCH v1 24/24] kvm: arm64: Fix EL2 mode availability checks David Brazdil
2020-11-10 10:15 ` [PATCH v1 00/24] Opt-in always-on nVHE hypervisor Christoph Hellwig
2020-11-10 11:18 ` Marc Zyngier
2021-01-19 13:17 ` Janne Karhunen
2020-11-11 14:32 ` Marc Zyngier
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