Messages in this thread | | | Date | Sun, 22 Jul 2007 01:17:06 -0700 | From | "Yinghai Lu" <> | Subject | Re: [PATCH 3/3] x86_64: offset apicid_to_node before use it before init_cpu_to_node |
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On 7/22/07, David Rientjes <rientjes@google.com> wrote: > On Sat, 21 Jul 2007, Yinghai Lu wrote: > > > [PATCH 3/3] x86_64: offset apicid_to_node before use it before > > init_cpu_to_node > > > > Does this preserve the correct fake apicid_to_node mapping for the > emulated case such as numa=fake=32? > +void __init update_apicid_to_node(void) +{ + /* + * let modify apicid_to_node array when boot_cpu_id !=0 + * apicid_to_node[0] != NUMA_NODE + */ + + int i; + + /* there is no apic id offset */ + if (!boot_cpu_id) + return; + + /* check if it is already updated */ + if (apicid_to_node[0] == NUMA_NO_NODE) + return;
boot_cpu_id (bsp apic id ) is 0 under fake numa case?
or need to add some exit for fake numa mode.
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