On Saturday, September 26, 2015 at 4:40:07 AM UTC+8, Denys Vlasenko
wrote:
> Before this change MAX_LOCAL_APIC had the fixed value of 32*1024.
> Such a big value causes several data arrays to be quite oversized:
>
> phys_cpu_present_map is 4 kbytes (one bit per apic id),
> __apicid_to_node[] is 6
On Wed, 30 Sep 2015, Denys Vlasenko wrote:
> On 09/30/2015 05:11 PM, Thomas Gleixner wrote:
> > On Fri, 25 Sep 2015, Denys Vlasenko wrote:
> >>
> >> +config MAX_LAPIC_ID
> >> + int "Maximum APIC ID"
> >> + range 8 32768
> >> + default "8"
> >> + ---help---
> >> +Use this option to set max
On 2015/9/26 3:48, Denys Vlasenko wrote:
> Before this change MAX_LOCAL_APIC had the fixed value of 32*1024.
> Such a big value causes several data arrays to be quite oversized:
>
> phys_cpu_present_map is 4 kbytes (one bit per apic id),
> __apicid_to_node[] is 64 kbytes,
> apic_version[] is 128 k
On 2015/9/30 23:49, Denys Vlasenko wrote:
> On 09/30/2015 05:11 PM, Thomas Gleixner wrote:
>> On Fri, 25 Sep 2015, Denys Vlasenko wrote:
>>>
>>> +config MAX_LAPIC_ID
>>> + int "Maximum APIC ID"
>>> + range 8 32768
>>> + default "8"
>>> + ---help---
>>> + Use this option to set maximum
On 09/30/2015 05:11 PM, Thomas Gleixner wrote:
> On Fri, 25 Sep 2015, Denys Vlasenko wrote:
>>
>> +config MAX_LAPIC_ID
>> +int "Maximum APIC ID"
>> +range 8 32768
>> +default "8"
>> +---help---
>> + Use this option to set maximum allowed Local APIC ID higher than
>> + ma
On Fri, 25 Sep 2015, Denys Vlasenko wrote:
>
> +config MAX_LAPIC_ID
> + int "Maximum APIC ID"
> + range 8 32768
> + default "8"
> + ---help---
> + Use this option to set maximum allowed Local APIC ID higher than
> + maximum number of CPUs. This may be necessary for mac
Before this change MAX_LOCAL_APIC had the fixed value of 32*1024.
Such a big value causes several data arrays to be quite oversized:
phys_cpu_present_map is 4 kbytes (one bit per apic id),
__apicid_to_node[] is 64 kbytes,
apic_version[] is 128 kbytes.
On "usual" systems, APIC ids simply go from z
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