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Commit b6835052 authored by Andreas Mohr's avatar Andreas Mohr Committed by Len Brown
Browse files

ACPI: apply "__read_mostly" to processor_idle.c loop module parameters and friends 



make pm_idle_save, nocst and bm_history __read_mostly
remove initializer from static 'first_run'.

Signed-off-by: default avatarAndreas Mohr <andi@lisas.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 09047e75

drivers/acpi/processor_idle.c

+4 −4
Original line number Diff line number Diff line
@@ -54,10 +54,10 @@ ACPI_MODULE_NAME("acpi_processor") 
#define US_TO_PM_TIMER_TICKS(t)		((t * (PM_TIMER_FREQUENCY/1000)) / 1000)

#define C2_OVERHEAD			4	/* 1us (3.579 ticks per us) */

#define C3_OVERHEAD			4	/* 1us (3.579 ticks per us) */

static void (*pm_idle_save) (void);

static void (*pm_idle_save) (void) __read_mostly;

module_param(max_cstate, uint, 0644);



static unsigned int nocst = 0;

static unsigned int nocst __read_mostly;

module_param(nocst, uint, 0000);



/*
@@ -67,7 +67,7 @@ module_param(nocst, uint, 0000); 
 * 100 HZ: 0x0000000F: 4 jiffies = 40ms

 * reduce history for more aggressive entry into C3

 */

static unsigned int bm_history =

static unsigned int bm_history __read_mostly =

    (HZ >= 800 ? 0xFFFFFFFF : ((1U << (HZ / 25)) - 1));

module_param(bm_history, uint, 0644);

/* --------------------------------------------------------------------------
@@ -1081,7 +1081,7 @@ int acpi_processor_power_init(struct acpi_processor *pr, 
			      struct acpi_device *device)

{

	acpi_status status = 0;

	static int first_run = 0;

	static int first_run;

	struct proc_dir_entry *entry = NULL;

	unsigned int i;