From: Yinghai Lu <yinghai@kernel.org>
Date: Thu, 11 Dec 2008 08:15:01 +0000 (-0800)
Subject: x86, sparseirq: move irq_desc according to smp_affinity, v7
X-Git-Tag: v2.6.29-rc1~538^2~20^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=48a1b10aff588833b73994704c47bbd0deb73e9c;p=pandora-kernel.git

x86, sparseirq: move irq_desc according to smp_affinity, v7

Impact: improve NUMA handling by migrating irq_desc on smp_affinity changes

if CONFIG_NUMA_MIGRATE_IRQ_DESC is set:

-  make irq_desc to go with affinity aka irq_desc moving etc
-  call move_irq_desc in irq_complete_move()
-  legacy irq_desc is not moved, because they are allocated via static array

for logical apic mode, need to add move_desc_in_progress_in_same_domain,
otherwise it will not be moved ==> also could need two phases to get
irq_desc moved.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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