Re: [PATCH 1/4] introduce __cpuinitconst

From: Adrian Bunk
Date: Fri Jan 11 2008 - 16:01:46 EST


On Fri, Jan 11, 2008 at 08:56:16AM +0000, Jan Beulich wrote:
> The patch doesn't change all instances where 'const' could have been
> added as a result of the base structure changes, only where the change
> has a real effect (the module loader doesn't enforce read-only section
> attributes at present, so only built-in files make a real difference).
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
> Cc: Len Brown <len.brown@xxxxxxxxx>
> Cc: Andi Kleen <ak@xxxxxxx>
>
> ---
> drivers/acpi/processor_idle.c | 2 +-
> include/linux/init.h | 2 ++
> 2 files changed, 3 insertions(+), 1 deletion(-)
>
> --- 2.6.24-rc7-initconst.orig/drivers/acpi/processor_idle.c
> +++ 2.6.24-rc7-initconst/drivers/acpi/processor_idle.c
> @@ -118,7 +118,7 @@ static int set_max_cstate(const struct d
>
> /* Actually this shouldn't be __cpuinitdata, would be better to fix the
> callers to only run once -AK */
> -static struct dmi_system_id __cpuinitdata processor_power_dmi_table[] = {
> +static struct dmi_system_id __cpuinitconst processor_power_dmi_table[] = {
> { set_max_cstate, "IBM ThinkPad R40e", {
> DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),
> DMI_MATCH(DMI_BIOS_VERSION,"1SET70WW")}, (void *)1},
> --- 2.6.24-rc7-initconst.orig/include/linux/init.h
> +++ 2.6.24-rc7-initconst/include/linux/init.h
> @@ -269,11 +269,13 @@ void __init parse_early_param(void);
> #ifdef CONFIG_HOTPLUG_CPU
> #define __cpuinit
> #define __cpuinitdata
> +#define __cpuinitconst const
> #define __cpuexit
> #define __cpuexitdata
> #else
> #define __cpuinit __init
> #define __cpuinitdata __initdata
> +#define __cpuinitconst __initdata
> #define __cpuexit __exit
> #define __cpuexitdata __exitdata
> #endif

__cpuinitconstdata ?

I know it's a bit long, but it would be more logically when looking at
the other ones.

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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