From: David Brazdil <dbrazdil@google.com>
To: Mark Rutland <mark.rutland@arm.com>
Cc: kvmarm@lists.cs.columbia.edu, Jonathan Corbet <corbet@lwn.net>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
James Morse <james.morse@arm.com>,
Julien Thierry <julien.thierry.kdev@gmail.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Dennis Zhou <dennis@kernel.org>, Tejun Heo <tj@kernel.org>,
Christoph Lameter <cl@linux.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Sudeep Holla <sudeep.holla@arm.com>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, kernel-team@android.com
Subject: Re: [PATCH v4 06/26] psci: Add accessor for psci_0_1_function_ids
Date: Thu, 3 Dec 2020 10:51:02 +0000 [thread overview]
Message-ID: <20201203105102.zpnjielsqdf3z3ox@google.com> (raw)
In-Reply-To: <20201203104712.GC96754@C02TD0UTHF1T.local>
On Thu, Dec 03, 2020 at 10:47:12AM +0000, Mark Rutland wrote:
> On Wed, Dec 02, 2020 at 06:41:02PM +0000, David Brazdil wrote:
> > Make it possible to retrieve a copy of the psci_0_1_function_ids struct.
> > This is useful for KVM if it is configured to intercept host's PSCI SMCs.
> >
> > Signed-off-by: David Brazdil <dbrazdil@google.com>
>
> Acked-by: Mark Rutland <mark.rutland@arm.com>
>
> ... just to check, does KVM snapshot which function IDs are valid, or do
> we want to add that state here too? That can be a follow-up if
> necessary.
Ah, that's a good point. It doesn't, but can infer that from psci_ops.
WARNING: multiple messages have this Message-ID (diff)
From: David Brazdil <dbrazdil@google.com>
To: Mark Rutland <mark.rutland@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
kernel-team@android.com, Jonathan Corbet <corbet@lwn.net>,
Catalin Marinas <catalin.marinas@arm.com>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
Sudeep Holla <sudeep.holla@arm.com>,
linux-arm-kernel@lists.infradead.org,
Marc Zyngier <maz@kernel.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
Subject: Re: [PATCH v4 06/26] psci: Add accessor for psci_0_1_function_ids
Date: Thu, 3 Dec 2020 10:51:02 +0000 [thread overview]
Message-ID: <20201203105102.zpnjielsqdf3z3ox@google.com> (raw)
In-Reply-To: <20201203104712.GC96754@C02TD0UTHF1T.local>
On Thu, Dec 03, 2020 at 10:47:12AM +0000, Mark Rutland wrote:
> On Wed, Dec 02, 2020 at 06:41:02PM +0000, David Brazdil wrote:
> > Make it possible to retrieve a copy of the psci_0_1_function_ids struct.
> > This is useful for KVM if it is configured to intercept host's PSCI SMCs.
> >
> > Signed-off-by: David Brazdil <dbrazdil@google.com>
>
> Acked-by: Mark Rutland <mark.rutland@arm.com>
>
> ... just to check, does KVM snapshot which function IDs are valid, or do
> we want to add that state here too? That can be a follow-up if
> necessary.
Ah, that's a good point. It doesn't, but can infer that from psci_ops.
_______________________________________________
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: David Brazdil <dbrazdil@google.com>
To: Mark Rutland <mark.rutland@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
kernel-team@android.com, Jonathan Corbet <corbet@lwn.net>,
Catalin Marinas <catalin.marinas@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
Sudeep Holla <sudeep.holla@arm.com>,
James Morse <james.morse@arm.com>,
linux-arm-kernel@lists.infradead.org,
Marc Zyngier <maz@kernel.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>
Subject: Re: [PATCH v4 06/26] psci: Add accessor for psci_0_1_function_ids
Date: Thu, 3 Dec 2020 10:51:02 +0000 [thread overview]
Message-ID: <20201203105102.zpnjielsqdf3z3ox@google.com> (raw)
In-Reply-To: <20201203104712.GC96754@C02TD0UTHF1T.local>
On Thu, Dec 03, 2020 at 10:47:12AM +0000, Mark Rutland wrote:
> On Wed, Dec 02, 2020 at 06:41:02PM +0000, David Brazdil wrote:
> > Make it possible to retrieve a copy of the psci_0_1_function_ids struct.
> > This is useful for KVM if it is configured to intercept host's PSCI SMCs.
> >
> > Signed-off-by: David Brazdil <dbrazdil@google.com>
>
> Acked-by: Mark Rutland <mark.rutland@arm.com>
>
> ... just to check, does KVM snapshot which function IDs are valid, or do
> we want to add that state here too? That can be a follow-up if
> necessary.
Ah, that's a good point. It doesn't, but can infer that from psci_ops.
_______________________________________________
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:[~2020-12-03 10:52 UTC|newest]
Thread overview: 117+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-02 18:40 [PATCH v4 00/26] Opt-in always-on nVHE hypervisor David Brazdil
2020-12-02 18:40 ` David Brazdil
2020-12-02 18:40 ` David Brazdil
2020-12-02 18:40 ` [PATCH v4 01/26] kvm: arm64: Add kvm-arm.mode early kernel parameter David Brazdil
2020-12-02 18:40 ` David Brazdil
2020-12-02 18:40 ` David Brazdil
2020-12-02 18:40 ` [PATCH v4 02/26] kvm: arm64: Add ARM64_KVM_PROTECTED_MODE CPU capability David Brazdil
2020-12-02 18:40 ` David Brazdil
2020-12-02 18:40 ` David Brazdil
2020-12-02 18:40 ` [PATCH v4 03/26] psci: Support psci_ops.get_version for v0.1 David Brazdil
2020-12-02 18:40 ` David Brazdil
2020-12-02 18:40 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 04/26] psci: Split functions to v0.1 and v0.2+ variants David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-03 10:42 ` Mark Rutland
2020-12-03 10:42 ` Mark Rutland
2020-12-03 10:42 ` Mark Rutland
2020-12-02 18:41 ` [PATCH v4 05/26] psci: Replace psci_function_id array with a struct David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-03 10:43 ` Mark Rutland
2020-12-03 10:43 ` Mark Rutland
2020-12-03 10:43 ` Mark Rutland
2020-12-02 18:41 ` [PATCH v4 06/26] psci: Add accessor for psci_0_1_function_ids David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-03 10:47 ` Mark Rutland
2020-12-03 10:47 ` Mark Rutland
2020-12-03 10:47 ` Mark Rutland
2020-12-03 10:51 ` David Brazdil [this message]
2020-12-03 10:51 ` David Brazdil
2020-12-03 10:51 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 07/26] arm64: Make cpu_logical_map() take unsigned int David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 08/26] arm64: Extract parts of el2_setup into a macro David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 09/26] kvm: arm64: Remove vector_ptr param of hyp-init David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 10/26] kvm: arm64: Move hyp-init params to a per-CPU struct David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 11/26] kvm: arm64: Init MAIR/TCR_EL2 from params struct David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 12/26] kvm: arm64: Add .hyp.data..ro_after_init ELF section David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 13/26] kvm: arm64: Support per_cpu_ptr in nVHE hyp code David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 14/26] kvm: arm64: Create nVHE copy of cpu_logical_map David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 15/26] kvm: arm64: Add SMC handler in nVHE EL2 David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-03 13:31 ` Marc Zyngier
2020-12-03 13:31 ` Marc Zyngier
2020-12-03 13:31 ` Marc Zyngier
2020-12-02 18:41 ` [PATCH v4 16/26] kvm: arm64: Bootstrap PSCI " David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-03 10:55 ` Mark Rutland
2020-12-03 10:55 ` Mark Rutland
2020-12-03 10:55 ` Mark Rutland
2020-12-03 13:46 ` Marc Zyngier
2020-12-03 13:46 ` Marc Zyngier
2020-12-03 13:46 ` Marc Zyngier
2020-12-02 18:41 ` [PATCH v4 17/26] kvm: arm64: Add offset for hyp VA <-> PA conversion David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-07 22:29 ` Qian Cai
2020-12-07 22:29 ` Qian Cai
2020-12-07 22:29 ` Qian Cai
2020-12-08 10:08 ` David Brazdil
2020-12-08 10:08 ` David Brazdil
2020-12-08 10:08 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 18/26] kvm: arm64: Forward safe PSCI SMCs coming from host David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 19/26] kvm: arm64: Extract __do_hyp_init into a helper function David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 20/26] kvm: arm64: Add function to enter host from KVM nVHE hyp code David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 21/26] kvm: arm64: Intercept host's CPU_ON SMCs David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 22/26] kvm: arm64: Intercept host's CPU_SUSPEND PSCI SMCs David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 23/26] kvm: arm64: Intercept host's SYSTEM_SUSPEND " David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 24/26] kvm: arm64: Keep nVHE EL2 vector installed David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 25/26] kvm: arm64: Trap host SMCs in protected mode David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` [PATCH v4 26/26] kvm: arm64: Fix EL2 mode availability checks David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-02 18:41 ` David Brazdil
2020-12-03 19:23 ` [PATCH v4 00/26] Opt-in always-on nVHE hypervisor Marc Zyngier
2020-12-03 19:23 ` Marc Zyngier
2020-12-03 19:23 ` Marc Zyngier
2020-12-08 19:14 ` David Brazdil
2020-12-08 19:14 ` David Brazdil
2020-12-08 19:14 ` David Brazdil
2020-12-08 20:12 ` Marc Zyngier
2020-12-08 20:12 ` Marc Zyngier
2020-12-08 20:12 ` Marc Zyngier
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