From: Andreas Mohr <andi@xxxxxxxxxxxxxxxxxxxxxxx> - make pm_idle_save, nocst and bm_history __read_mostly - static first_run is initialized to 0 by default already - don't remove static init value of nocst and bm_history since __read_mostly may be special (see e.g. http://www.ussg.iu.edu/hypermail/linux/kernel/0010.0/0771.html) Signed-off-by: Andreas Mohr <andi@xxxxxxxx> Cc: "Brown, Len" <len.brown@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxx> --- drivers/acpi/processor_idle.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff -puN drivers/acpi/processor_idle.c~acpi-idle-__read_mostly-and-de-init-static-var drivers/acpi/processor_idle.c --- devel/drivers/acpi/processor_idle.c~acpi-idle-__read_mostly-and-de-init-static-var 2006-04-18 23:18:01.000000000 -0700 +++ devel-akpm/drivers/acpi/processor_idle.c 2006-04-18 23:18:01.000000000 -0700 @@ -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); /* -------------------------------------------------------------------------- @@ -1079,7 +1079,7 @@ int acpi_processor_power_init(struct acp 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; _ - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
