Re: [PATCH v9 3/7] arm64: cpuidle: drop __init section marker to arm_cpuidle_init

From: Catalin Marinas
Date: Tue Jul 12 2016 - 11:23:27 EST

On Fri, Jul 08, 2016 at 06:07:54PM +0100, Sudeep Holla wrote:
> Commit ea389daa7fd9 ("arm64: cpuidle: add __init section marker to
> arm_cpuidle_init") added the __init annotation to arm_cpuidle_init
> as it was not needed after booting which was correct at that time.
> However with the introduction of ACPI LPI support, this will be used
> from cpuhotplug path in ACPI processor driver.
> This patch drops the __init annotation from arm_cpuidle_init to avoid
> the following warning:
> WARNING: vmlinux.o(.text+0x113c8): Section mismatch in reference from the
> function acpi_processor_ffh_lpi_probe() to the function
> .init.text:arm_cpuidle_init()
> The function acpi_processor_ffh_lpi_probe() references
> the function __init arm_cpuidle_init().
> This is often because acpi_processor_ffh_lpi_probe lacks a __init
> annotation or the annotation of arm_cpuidle_init is wrong.
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>