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Date:   Tue, 12 Oct 2021 17:45:33 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Arnd Bergmann <arnd@...nel.org>, Hanjun Guo <guohanjun@...wei.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Sudeep Holla <sudeep.holla@....com>,
        Len Brown <lenb@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Marc Zyngier <maz@...nel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] acpi: arm64: fix section mismatch warning

On Tue, Oct 12, 2021 at 04:16:09PM +0200, Rafael J. Wysocki wrote:
> On Tue, Oct 12, 2021 at 9:20 AM Arnd Bergmann <arnd@...nel.org> wrote:
> >
> > On Tue, Oct 12, 2021 at 9:03 AM Hanjun Guo <guohanjun@...wei.com> wrote:
> > > On 2021/9/27 22:19, Arnd Bergmann wrote:
> > > > From: Arnd Bergmann <arnd@...db.de>
> > > >
> > > > In a gcc-11 randconfig build I came across this warning:
> > > >
> > > > WARNING: modpost: vmlinux.o(.text.unlikely+0x2c084): Section mismatch in reference from the function next_platform_timer() to the variable .init.data:acpi_gtdt_desc
> > > > The function next_platform_timer() references
> > > > the variable __initdata acpi_gtdt_desc.
> > > > This is often because next_platform_timer lacks a __initdata
> > > > annotation or the annotation of acpi_gtdt_desc is wrong.
> > > >
> > > > This happens when next_platform_timer() fails to get inlined
> > > > despite the inline annotation. Adding '__init' solves the issue,
> > > > and it seems best to remove the 'inline' in the process seems
> > > > better anyway.
> > >
> > > There was a patch to fix this issue as well [1],
> > > but not merged yet.
> > >
> > > [1]:
> > > https://lore.kernel.org/linux-acpi/7f29a149-e005-f13f-2cc4-a9eb737107e1@huawei.com/T/
> >
> > Right, either of those patches should be fine.
> >
> > Rafael, can you pick one of them up?
> 
> I can, but arm54 ACPI changes go in via arm64 as a rule.

Queued as https://git.kernel.org/arm64/c/596143e3aec3

-- 
Catalin

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