[PATCH v4 02/10] ARM: SoC: Add per SoC SMP and CPU hotplug operations

Marc Zyngier marc.zyngier at arm.com
Tue Oct 4 05:44:38 EDT 2011


On 03/10/11 20:12, Nicolas Pitre wrote:
> On Mon, 3 Oct 2011, Marc Zyngier wrote:
> 
>> Populate the SoC descriptor structure with the SMP and CPU hotplug
>> operations. To allow the kernel to continue building, the platform
>> hooks are defined as weak symbols which are overrided by the
>> platform code. Once all platforms are converted, the "weak" attribute
>> will be removed and the function made static.
>>
>> Cc: Arnd Bergmann <arnd at arndb.de>
>> Cc: Nicolas Pitre <nico at fluxnic.net>
>> Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
>> ---
> [...]
>> --- a/arch/arm/kernel/setup.c
>> +++ b/arch/arm/kernel/setup.c
>> @@ -141,8 +141,12 @@ static const char *cpu_name;
>>  static const char *machine_name;
>>  static char __initdata cmd_line[COMMAND_LINE_SIZE];
>>  struct machine_desc *machine_desc __initdata;
>> -const struct arm_soc_desc *soc_desc;
>> -static struct arm_soc_desc __soc_desc __read_mostly;
>> +const struct arm_soc_desc *soc_desc __initdata;
> 
> Does the above belong in this patch?

Looks like a leftover from a previous rework. Will fix.

>> +#ifdef CONFIG_SMP
>> +const struct arm_soc_smp_init_ops *soc_smp_init_ops  __initdata;
>> +const struct arm_soc_smp_ops *soc_smp_ops  __cpuinitdata;
>> +static struct arm_soc_smp_ops __soc_smp_ops __cpuinitdata;
>> +#endif
> 
> Maybe those could be moved in smp.c instead.

Good point, this actually makes a nice cleanup (the assignment of these
variables can also move to smp.c, making them static).

I'll repost the 3 affected patches shortly.

Thanks for reviewing,

	M.
-- 
Jazz is not dead. It just smells funny...




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