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cpuidle,arch: Mark all regular cpuidle_state:: Enter methods __cpuidle

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For all cpuidle drivers that do not use CPUIDLE_FLAG_RCU_IDLE (iow,
the simple ones) make sure all the functions are marked __cpuidle.

( due to lack of noinstr validation on these platforms it is entirely
  possible this isn't complete )

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230112195542.335211484@infradead.org
This commit is contained in:
Peter Zijlstra 2023-01-12 20:44:03 +01:00 committed by Ingo Molnar
parent 69e26b4f43
commit 26388a7c35
7 changed files with 15 additions and 16 deletions
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4
arch/arm/kernel/cpuidle.c
View File

@ -26,8 +26,8 @@ static struct cpuidle_ops cpuidle_ops[NR_CPUS] __ro_after_init;
*
* Returns the index passed as parameter
*/
int arm_cpuidle_simple_enter(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
__cpuidle int arm_cpuidle_simple_enter(struct cpuidle_device *dev, struct
cpuidle_driver *drv, int index)
{
cpu_do_idle();

4
arch/arm/mach-davinci/cpuidle.c
View File

@ -44,8 +44,8 @@ static void davinci_save_ddr_power(int enter, bool pdown)
}
/* Actual code that puts the SoC in different idle states */
static int davinci_enter_idle(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
static __cpuidle int davinci_enter_idle(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
davinci_save_ddr_power(1, ddr2_pdown);
cpu_do_idle();

4
arch/arm/mach-imx/cpuidle-imx5.c
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@ -8,8 +8,8 @@
#include <asm/system_misc.h>
#include "cpuidle.h"
static int imx5_cpuidle_enter(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
static __cpuidle int imx5_cpuidle_enter(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
arm_pm_idle();
return index;

4
arch/arm/mach-imx/cpuidle-imx6sl.c
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@ -11,8 +11,8 @@
#include "common.h"
#include "cpuidle.h"
static int imx6sl_enter_wait(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
static __cpuidle int imx6sl_enter_wait(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
imx6_set_lpm(WAIT_UNCLOCKED);
/*

4
arch/arm/mach-imx/cpuidle-imx7ulp.c
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@ -12,8 +12,8 @@
#include "common.h"
#include "cpuidle.h"
static int imx7ulp_enter_wait(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
static __cpuidle int imx7ulp_enter_wait(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
if (index == 1)
imx7ulp_set_lpm(ULP_PM_WAIT);

5
arch/arm/mach-s3c/cpuidle-s3c64xx.c
View File

@ -19,9 +19,8 @@
#include "regs-sys-s3c64xx.h"
#include "regs-syscon-power-s3c64xx.h"
static int s3c64xx_enter_idle(struct cpuidle_device *dev,
struct cpuidle_driver *drv,
int index)
static __cpuidle int s3c64xx_enter_idle(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
unsigned long tmp;

6
arch/mips/kernel/idle.c
View File

@ -241,7 +241,7 @@ void __init check_wait(void)
}
}
void arch_cpu_idle(void)
__cpuidle void arch_cpu_idle(void)
{
if (cpu_wait)
cpu_wait();
@ -249,8 +249,8 @@ void arch_cpu_idle(void)
#ifdef CONFIG_CPU_IDLE
int mips_cpuidle_wait_enter(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
__cpuidle int mips_cpuidle_wait_enter(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
arch_cpu_idle();
return index;