Re: [PATCH] acpi: arm64: fix section mismatch warning

[Hanjun Guo]

Hi Arnd,

On 2021/9/27 22:19, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> 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@xxxxxxxxxx/T/

Thanks
Hanjun