linux-kernel - Re: [PATCH v2 0/2] Support clean reboot after hibernate on Arm64

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Message-ID: <e0baad17a9c8c7b4df5bb9bf75e7c9b6c36ce887.camel@infradead.org>
Date: Fri, 19 Apr 2024 16:39:52 +0100
From: David Woodhouse <dwmw2@...radead.org>
To: Will Deacon <will@...nel.org>, Catalin Marinas <catalin.marinas@....com>
Cc: kernel-team@...roid.com, Robert Moore <robert.moore@...el.com>, "Rafael
 J. Wysocki" <rafael.j.wysocki@...el.com>, Len Brown <lenb@...nel.org>,
 Sudeep Holla <sudeep.holla@....com>,  linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org,  linux-acpi@...r.kernel.org,
 acpica-devel@...ts.linux.dev
Subject: Re: [PATCH v2 0/2] Support clean reboot after hibernate on Arm64

On Fri, 2024-04-19 at 16:32 +0100, Will Deacon wrote:
> On Mon, 11 Mar 2024 12:19:14 +0000, David Woodhouse wrote:
> > When the hardware signature in the ACPI FACS changes, the OS is supposed
> > to perform a clean reboot instead of attempting to resume on a changed
> > platform.
> > 
> > Although these patches have a functional dependency, they could be merged
> > separately. The second patch just won't *see* a FACS table if the ACPICA
> > fix isn't present.
> > 
> > [...]
> 
> Applied to arm64 (for-next/acpi), thanks!
> 
> [1/2] ACPICA: Detect FACS even for hardware reduced platforms
>       https://git.kernel.org/arm64/c/bc5b492ac305
> [2/2] arm64: acpi: Honour firmware_signature field of FACS, if it exists
>       https://git.kernel.org/arm64/c/fbaad243b536

Thanks. I've rebased the remaining SYSTEM_OFF2 patches on top of that:
https://git.infradead.org/users/dwmw2/linux.git/shortlog/refs/heads/psci-hibernate

I've added Rafael's Acked-by: to the last commit in that series too.

Will repost them when the final version of the PSCI 1.3 spec is published.

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