On 2014-7-24 22:43, Mark Brown wrote:
> On Thu, Jul 24, 2014 at 09:00:10PM +0800, Hanjun Guo wrote:
>
>> +/*
>> + * Use the CPU slot number provided by ACPI to update the physical
>> + * package id when cpuid_topo->cluster_id is not available, then we
>> + * can get the right value in the "physical id" field of /proc/cpuinfo.
>> + */
>> +void arch_fix_phys_package_id(int num, u32 slot)
>> +{
>> + struct cpu_topology *cpuid_topo = &cpu_topology[num];
>> +
>> + if (cpuid_topo->cluster_id == -1)
>> + cpuid_topo->cluster_id = slot;
>> +}
>> +EXPORT_SYMBOL_GPL(arch_fix_phys_package_id);
>
> As I said on the previous version of this patch are you sure this runs
> at a point between the cluster ID getting initialized to -1 and the slot
> being initialized (bear in mind that we now use MPIDR information if
> availabe). I don't understand why we don't just unconditionally use the
> value given.
Ah, sorry, it should be unconditionally used as you said, and I remember
the comments in last version, but the patch shows not, must be something
wrong, will update it in next version.
Thanks
Hanjun
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