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Message-ID: <ZfHHlBgSNr8Qm22D@bogus>
Date: Wed, 13 Mar 2024 15:34:44 +0000
From: Sudeep Holla <sudeep.holla@....com>
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>,
Oliver Upton <oliver.upton@...ux.dev>,
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>,
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 2/2] arm64: Use SYSTEM_OFF2 PSCI call to power off
for hibernate
On Tue, Mar 12, 2024 at 04:36:05PM +0000, David Woodhouse wrote:
> On Tue, 2024-03-12 at 15:57 +0000, Sudeep Holla wrote:
> > Looked briefly at register_sys_off_handler and it should be OK to call
> > it from psci_init_system_off2() below. Any particular reason for having
> > separate initcall to do this ? We can even eliminate the need for
> > psci_init_system_off2 if it can be called from there. What am I missing ?
>
> My first attempt did that. I don't think we can kmalloc that early:
>
That was was initial guess. But a quick hack on my setup and running it on
the FVP model didn't complain. I think either I messed up or something else
wrong, I must check on some h/w. Anyways sorry for the noise and thanks for
the response.
--
Regards,
Sudeep
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