On Tue, Jun 14, 2016 at 03:48:37PM +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: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
Depending on acceptance of other patches in this series:
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> ---
> arch/arm64/kernel/cpuidle.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/kernel/cpuidle.c b/arch/arm64/kernel/cpuidle.c
> index e11857fce05f..06786fdaadeb 100644
> --- a/arch/arm64/kernel/cpuidle.c
> +++ b/arch/arm64/kernel/cpuidle.c
> @@ -15,7 +15,7 @@
> #include <asm/cpuidle.h>
> #include <asm/cpu_ops.h>
>
> -int __init arm_cpuidle_init(unsigned int cpu)
> +int arm_cpuidle_init(unsigned int cpu)
> {
> int ret = -EOPNOTSUPP;
>
> --
> 2.7.4
>
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