linux-kernel - Re: [PATCH v4 1/6] firmware/psci: Add definitions for PSCI v1.3 specification

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Message-ID: <9b8989f06548d373cef8830f2a1f9b02934540c8.camel@infradead.org>
Date: Thu, 26 Sep 2024 10:59:25 +0100
From: David Woodhouse <dwmw2@...radead.org>
To: Francesco Lavra <francescolavra.fl@...il.com>, 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>,
 Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>, Shuah Khan
 <shuah@...nel.org>,  kvm@...r.kernel.org, linux-doc@...r.kernel.org,
 linux-kernel@...r.kernel.org,  linux-arm-kernel@...ts.infradead.org,
 kvmarm@...ts.linux.dev,  linux-pm@...r.kernel.org,
 linux-kselftest@...r.kernel.org
Subject: Re:  [PATCH v4 1/6] firmware/psci: Add definitions for PSCI v1.3
 specification

On Thu, 2024-09-26 at 10:55 +0200, Francesco Lavra wrote:
> On Tue, 2024-09-24 at 17:05 +0100, David Woodhouse wrote:
> > From: David Woodhouse <dwmw@...zon.co.uk>
> > 
> > The v1.3 PSCI spec (https://developer.arm.com/documentation/den0022)
> > adds
> > SYSTEM_OFF2, CLEAN_INV_MEMREGION and CLEAN_INV_MEMREGION_ATTRIBUTES
> > functions. Add definitions for them and their parameters, along with
> > the
> > new TIMEOUT, RATE_LIMITED and BUSY error values.
> 
> The CLEAN_INV_MEMREGION and CLEAN_INV_MEMREGION_ATTRIBUTES
> functions were added in the alpha release of the spec but have been
> dropped in the beta release, and are not included in the final spec. So
> IMO the uapi header file should not contain these definitions.
> The same goes for the TIMEOUT, RATE_LIMITED and BUSY error values.

Thanks. I'll drop those.

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