From: David Woodhouse <dwmw2@infradead.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
Oliver Upton <oliver.upton@linux.dev>
Cc: Zenghui Yu <yuzenghui@huawei.com>,
James Morse <james.morse@arm.com>,
linux-doc@vger.kernel.org, Marc Zyngier <maz@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
kvmarm@lists.linux.dev, Len Brown <len.brown@intel.com>,
Mark Rutland <mark.rutland@arm.com>,
linux-kernel@vger.kernel.org, Pavel Machek <pavel@ucw.cz>,
Shuah Khan <shuah@kernel.org>,
kvm@vger.kernel.org, Suzuki K Poulose <suzuki.poulose@arm.com>,
Miguel Luis <miguel.luis@oracle.com>,
Will Deacon <will@kernel.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
linux-kselftest@vger.kernel.org,
Francesco Lavra <francescolavra.fl@gmail.com>,
Lorenzo Pieralisi <lpieralisi@kernel.org>,
linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: (subset) [PATCH v6 0/6] Add PSCI v1.3 SYSTEM_OFF2 support for hibernation
Date: Thu, 31 Oct 2024 17:18:57 +0000 [thread overview]
Message-ID: <74db59658c40fad82d681bd1ebcf893c7ec27322.camel@infradead.org> (raw)
In-Reply-To: <ZyN09BSZqKLXLi6_@arm.com>
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On Thu, 2024-10-31 at 12:15 +0000, Catalin Marinas wrote:
> On Fri, Oct 25, 2024 at 10:12:41PM +0000, Oliver Upton wrote:
> > On Sat, 19 Oct 2024 18:15:41 +0100, David Woodhouse wrote:
> > > The PSCI v1.3 spec (https://developer.arm.com/documentation/den0022)
> > > adds support for a SYSTEM_OFF2 function enabling a HIBERNATE_OFF state
> > > which is analogous to ACPI S4. This will allow hosting environments to
> > > determine that a guest is hibernated rather than just powered off, and
> > > ensure that they preserve the virtual environment appropriately to
> > > allow the guest to resume safely (or bump the hardware_signature in the
> > > FACS to trigger a clean reboot instead).
> > >
> > > [...]
> >
> > I grabbed the KVM portions of this series, as they look ready to go. Happy
> > to take the last one through kvmarm tree w/ acks, and can toss it on top.
>
> Happy for you to take the last patch as well through the KVM tree. Feel
> free to adjust the code comment as you see fit.
Thanks. that's probably the best option, as it depends on the
definitions in psci.h.
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next prev parent reply other threads:[~2024-10-31 17:25 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-19 17:15 [PATCH v6 0/6] Add PSCI v1.3 SYSTEM_OFF2 support for hibernation David Woodhouse
2024-10-19 17:15 ` [PATCH v6 1/6] firmware/psci: Add definitions for PSCI v1.3 specification David Woodhouse
2024-10-23 15:31 ` Miguel Luis
2024-10-19 17:15 ` [PATCH v6 2/6] KVM: arm64: Add PSCI v1.3 SYSTEM_OFF2 function for hibernation David Woodhouse
2024-10-23 16:02 ` Miguel Luis
2024-10-19 17:15 ` [PATCH v6 3/6] KVM: arm64: Add support for PSCI v1.2 and v1.3 David Woodhouse
2024-10-23 16:21 ` Miguel Luis
2024-10-19 17:15 ` [PATCH v6 4/6] KVM: selftests: Add test for PSCI SYSTEM_OFF2 David Woodhouse
2024-10-19 17:15 ` [PATCH v6 5/6] KVM: arm64: nvhe: Pass through PSCI v1.3 SYSTEM_OFF2 call David Woodhouse
2024-10-24 10:42 ` Miguel Luis
2024-10-19 17:15 ` [PATCH v6 6/6] arm64: Use SYSTEM_OFF2 PSCI call to power off for hibernate David Woodhouse
2024-10-24 12:54 ` Miguel Luis
2024-10-24 13:48 ` David Woodhouse
2024-10-24 15:44 ` Oliver Upton
2024-10-24 15:56 ` David Woodhouse
2024-10-24 19:57 ` Oliver Upton
2024-10-25 6:13 ` David Woodhouse
2024-10-25 20:40 ` Oliver Upton
2024-10-31 18:00 ` David Woodhouse
2024-10-31 12:16 ` Catalin Marinas
2024-10-31 17:55 ` Lorenzo Pieralisi
2024-11-01 17:48 ` Lorenzo Pieralisi
2024-11-04 13:54 ` Ard Biesheuvel
2024-11-04 15:11 ` Lorenzo Pieralisi
2024-10-25 22:12 ` (subset) [PATCH v6 0/6] Add PSCI v1.3 SYSTEM_OFF2 support for hibernation Oliver Upton
2024-10-31 12:15 ` Catalin Marinas
2024-10-31 17:18 ` David Woodhouse [this message]
2024-10-31 17:56 ` Oliver Upton
2024-10-31 18:01 ` David Woodhouse
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