x86, vt-d: Fix the vt-d fault handling irq migration in the x2apic mode

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In x2apic mode, we need to set the upper address register of the fault
handling interrupt register of the vt-d hardware. Without this
irq migration of the vt-d fault handling interrupt is broken.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
LKML-Reference: <1291225233.2648.39.camel@sbsiddha-MOBL3>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: stable@kernel.org [v2.6.32+]
Acked-by: Chris Wright <chrisw@sous-sol.org>
Tested-by: Takao Indoh <indou.takao@jp.fujitsu.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

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Kenji Kaneshige 2010-12-01 09:40:32 -08:00 • committed by H. Peter Anvin

parent 254e42006c

commit 086e8ced65

1 changed files with 1 additions and 0 deletions

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arch/x86/kernel/apic/io_apic.c

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