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Subject[tip:x86/apic] x86: Re-get cfg_new in case reuse/move irq_desc
Commit-ID:  37ef2a3029fde884808ff1b369677abc7dd9a79a
Gitweb: http://git.kernel.org/tip/37ef2a3029fde884808ff1b369677abc7dd9a79a
Author: Yinghai Lu <yinghai@kernel.org>
AuthorDate: Sat, 21 Nov 2009 00:23:37 -0800
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Mon, 23 Nov 2009 09:56:05 +0100

x86: Re-get cfg_new in case reuse/move irq_desc

When irq_desc is moved, we need to make sure to use the right cfg_new.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <4B07A739.3030104@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/kernel/apic/io_apic.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index ff23719..085e60e 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3186,6 +3186,7 @@ unsigned int create_irq_nr(unsigned int irq_want, int node)
continue;

desc_new = move_irq_desc(desc_new, node);
+ cfg_new = desc_new->chip_data;

if (__assign_irq_vector(new, cfg_new, apic->target_cpus()) == 0)
irq = new;

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