Re: [PATCH 9/9] x86: Unify NUMA initialization between 32 and 64bit | KernelTrap

Re: [PATCH 9/9] x86: Unify NUMA initialization between 32 and 64bit

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From: Pekka Enberg

Subject: Re: [PATCH 9/9] x86: Unify NUMA initialization between 32 and 64bit

Date: Thursday, November 11, 2010 - 5:09 am

On Thu, Nov 11, 2010 at 1:02 PM, Tejun Heo <tj@kernel.org> wrote:
quoted text> Now that everything else is unified, NUMA initialization can be
> unified too.
>
> * numa_init_array() and init_cpu_to_node() are moved from numa_64 to
>  numa.
>
> * numa_32::initmem_init() is updated to call numa_init_array() and
>  setup_arch() to call init_cpu_to_node() on 32bit too.
>
> * x86_cpu_to_node_map is now initialized to NUMA_NO_NODE on 32bit too.
>  This is safe now as numa_init_array() will initialize it early
>  during boot.
>
> This makes NUMA mapping fully initialized before setup_per_cpu_areas()
> on 32bit too and thus makes the first percpu chunk which contains all
> the static variables and some of dynamic area allocated with NUMA
> affinity correctly considered.
>
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Reported-by: Eric Dumazet <eric.dumazet@gmail.com>

Acked-by: Pekka Enberg <penberg@kernel.org>
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Messages in current thread:

[PATCHSET RFC] x86: unify x86_32 and 64 NUMA init paths, Tejun Heo, (Thu Nov 11, 4:02 am)

[PATCH 3/9] x86: Make default_send_IPI_mask_sequence/allbu ..., Tejun Heo, (Thu Nov 11, 4:02 am)

[PATCH 4/9] x86: Initialize 32bit logical apicid mapping e ..., Tejun Heo, (Thu Nov 11, 4:02 am)

[PATCH 5/9] x86: Replace apic->apicid_to_node() with ->num ..., Tejun Heo, (Thu Nov 11, 4:02 am)

[PATCH 6/9] x86: Unify cpu/apicid <-> NUMA node mapping be ..., Tejun Heo, (Thu Nov 11, 4:02 am)

[PATCH 7/9] x86: Unify CPU -> NUMA node mapping between 32 ..., Tejun Heo, (Thu Nov 11, 4:02 am)

[PATCH 8/9] x86: Unify node_to_cpumask_map handling betwee ..., Tejun Heo, (Thu Nov 11, 4:02 am)

[PATCH 9/9] x86: Unify NUMA initialization between 32 and ..., Tejun Heo, (Thu Nov 11, 4:02 am)

Re: [PATCH 5/9] x86: Replace apic->apicid_to_node() with - ..., Pekka Enberg, (Thu Nov 11, 4:37 am)

Re: [PATCH 6/9] x86: Unify cpu/apicid <-> NUMA node mappin ..., Pekka Enberg, (Thu Nov 11, 5:01 am)

Re: [PATCH 3/9] x86: Make default_send_IPI_mask_sequence/a ..., Pekka Enberg, (Thu Nov 11, 5:02 am)

Re: [PATCH 9/9] x86: Unify NUMA initialization between 32 ..., Pekka Enberg, (Thu Nov 11, 5:09 am)

Re: [PATCH 8/9] x86: Unify node_to_cpumask_map handling be ..., Pekka Enberg, (Thu Nov 11, 5:11 am)

Re: [PATCH 3/9] x86: Make default_send_IPI_mask_sequence/a ..., Cyrill Gorcunov, (Thu Nov 11, 9:18 am)

[PATCH UPDATED 3/9] x86: Make default_send_IPI_mask_sequen ..., Tejun Heo, (Thu Nov 11, 10:34 am)

Re: [PATCH UPDATED 3/9] x86: Make default_send_IPI_mask_se ..., Cyrill Gorcunov, (Thu Nov 11, 10:52 am)

Re: [PATCH 4/9] x86: Initialize 32bit logical apicid mappi ..., Brian Gerst, (Thu Nov 11, 6:54 pm)

[PATCH UPDATED 4/9] x86: Initialize 32bit logical apicid m ..., Tejun Heo, (Fri Nov 12, 2:38 am)

Re: [PATCH UPDATED 4/9] x86: Initialize 32bit logical apic ..., Yinghai Lu, (Fri Nov 12, 2:58 am)

Re: [PATCH UPDATED 4/9] x86: Initialize 32bit logical apic ..., Tejun Heo, (Fri Nov 12, 3:22 am)

[PATCH 3.5/9] x86: Use local variable to cache smp_process ..., Tejun Heo, (Fri Nov 12, 3:32 am)

[PATCH 4/9 UPDATED-1] x86: Initialize 32bit logical apicid ..., Tejun Heo, (Fri Nov 12, 3:33 am)

Re: [PATCH 4/9 UPDATED-1] x86: Initialize 32bit logical ap ..., Ingo Molnar, (Thu Nov 18, 1:30 am)

Re: [PATCH 4/9 UPDATED-1] x86: Initialize 32bit logical ap ..., Tejun Heo, (Thu Nov 18, 1:39 am)

Re: [PATCH 4/9 UPDATED-1] x86: Initialize 32bit logical ap ..., Ingo Molnar, (Thu Nov 18, 1:42 am)

Re: [PATCH 4/9 UPDATED-1] x86: Initialize 32bit logical ap ..., Tejun Heo, (Thu Nov 18, 1:48 am)

Re: [PATCH 4/9 UPDATED-1] x86: Initialize 32bit logical ap ..., Ingo Molnar, (Thu Nov 18, 2:08 am)

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