linux-kernel - Re: [RFC PATCH v3 0/5] Add PSCI v1.3 SYSTEM

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Message-ID: <Zfmu3wnFbIGQZD-j@linux.dev>
Date: Tue, 19 Mar 2024 08:27:27 -0700
From: Oliver Upton <oliver.upton@...ux.dev>
To: David Woodhouse <dwmw2@...radead.org>
Cc: linux-arm-kernel@...ts.infradead.org, kvm@...r.kernel.org,
	Paolo Bonzini <pbonzini@...hat.com>,
	Jonathan Corbet <corbet@....net>, Marc Zyngier <maz@...nel.org>,
	James Morse <james.morse@....com>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Zenghui Yu <yuzenghui@...wei.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	David Woodhouse <dwmw@...zon.co.uk>,
	Mostafa Saleh <smostafa@...gle.com>,
	Jean-Philippe Brucker <jean-philippe@...aro.org>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	kvmarm@...ts.linux.dev, linux-pm@...r.kernel.org
Subject: Re: [RFC PATCH v3 0/5] Add PSCI v1.3 SYSTEM_OFF2 support for
 hibernation

On Tue, Mar 19, 2024 at 12:59:01PM +0000, David Woodhouse wrote:
> David Woodhouse (5):
>       firmware/psci: Add definitions for PSCI v1.3 specification (ALPHA)
>       KVM: arm64: Add support for PSCI v1.2 and v1.3
>       KVM: arm64: Add PSCI v1.3 SYSTEM_OFF2 function for hibernation
>       KVM: arm64: nvhe: Pass through PSCI v1.3 SYSTEM_OFF2 call
>       arm64: Use SYSTEM_OFF2 PSCI call to power off for hibernate

If we're going down the route of having this PSCI call live in KVM, it
really deserves a test. I think you can just pile on the existing
psci_test selftest.

-- 
Thanks,
Oliver