From: Catalin Marinas <catalin.marinas@arm.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Arnd Bergmann <arnd@kernel.org>,
Hanjun Guo <guohanjun@huawei.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Sudeep Holla <sudeep.holla@arm.com>, Len Brown <lenb@kernel.org>,
Arnd Bergmann <arnd@arndb.de>, Marc Zyngier <maz@kernel.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] acpi: arm64: fix section mismatch warning
Date: Tue, 12 Oct 2021 17:45:33 +0100 [thread overview]
Message-ID: <YWW7rTJKUJKTbvFE@arm.com> (raw)
In-Reply-To: <CAJZ5v0hGrZuNvM1gYOZscSnrgMMHZc9mXUtvUUKOnZch+0hWnw@mail.gmail.com>
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@kernel.org> wrote:
> >
> > On Tue, Oct 12, 2021 at 9:03 AM Hanjun Guo <guohanjun@huawei.com> wrote:
> > > On 2021/9/27 22:19, Arnd Bergmann wrote:
> > > > From: Arnd Bergmann <arnd@arndb.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
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Arnd Bergmann <arnd@kernel.org>,
Hanjun Guo <guohanjun@huawei.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Sudeep Holla <sudeep.holla@arm.com>, Len Brown <lenb@kernel.org>,
Arnd Bergmann <arnd@arndb.de>, Marc Zyngier <maz@kernel.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] acpi: arm64: fix section mismatch warning
Date: Tue, 12 Oct 2021 17:45:33 +0100 [thread overview]
Message-ID: <YWW7rTJKUJKTbvFE@arm.com> (raw)
In-Reply-To: <CAJZ5v0hGrZuNvM1gYOZscSnrgMMHZc9mXUtvUUKOnZch+0hWnw@mail.gmail.com>
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@kernel.org> wrote:
> >
> > On Tue, Oct 12, 2021 at 9:03 AM Hanjun Guo <guohanjun@huawei.com> wrote:
> > > On 2021/9/27 22:19, Arnd Bergmann wrote:
> > > > From: Arnd Bergmann <arnd@arndb.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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next prev parent reply other threads:[~2021-10-12 16:45 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-27 14:19 [PATCH] acpi: arm64: fix section mismatch warning Arnd Bergmann
2021-09-27 14:19 ` Arnd Bergmann
2021-10-12 7:03 ` Hanjun Guo
2021-10-12 7:03 ` Hanjun Guo
2021-10-12 7:20 ` Arnd Bergmann
2021-10-12 7:20 ` Arnd Bergmann
2021-10-12 14:16 ` Rafael J. Wysocki
2021-10-12 14:16 ` Rafael J. Wysocki
2021-10-12 16:45 ` Catalin Marinas [this message]
2021-10-12 16:45 ` Catalin Marinas
2021-10-12 16:30 ` Catalin Marinas
2021-10-12 16:30 ` Catalin Marinas
2021-10-13 9:02 ` Lorenzo Pieralisi
2021-10-13 9:02 ` Lorenzo Pieralisi
2021-10-15 8:53 ` Hanjun Guo
2021-10-15 8:53 ` Hanjun Guo
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