linux-kernel - [PATCH] x86, apic, Fix missing replacement for VECTOR

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Date:	Wed,  2 Apr 2014 08:16:30 -0400
From:	Prarit Bhargava <prarit@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Prarit Bhargava <prarit@...hat.com>,
	Rui Wang <rui.y.wang@...el.com>,
	Michel Lespinasse <walken@...gle.com>,
	Seiji Aguchi <seiji.aguchi@....com>,
	Yang Zhang <yang.z.zhang@...el.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	janet.morgan@...el.com, tony.luck@...el.com, ruiv.wang@...il.com,
	David Rientjes <rientjes@...gle.com>
Subject: [PATCH] x86, apic, Fix missing replacement for VECTOR_UNDEFINED

Resending ... making sure this wasn't dropped for some reason.

Previously sent here: http://marc.info/?l=linux-kernel&m=139397268027681&w=2

P.

---8<---

linux.git commit 9345005f4eed805308193658d12e4e7e9c261e74 added
a definition for VECTOR_UNDEFINED = -1.  There is a missing replacement in
the io_apic.c file.  Found during debugging of another issue.

Cc: Rui Wang <rui.y.wang@...el.com>
Cc: Michel Lespinasse <walken@...gle.com>
Cc: Seiji Aguchi <seiji.aguchi@....com>
Cc: Yang Zhang <yang.z.zhang@...el.com>
Cc: Paul Gortmaker <paul.gortmaker@...driver.com>
Cc: janet.morgan@...el.com
Cc: tony.luck@...el.com
Cc: ruiv.wang@...il.com
Cc: David Rientjes <rientjes@...gle.com>
Acked-by: David Rientjes <rientjes@...gle.com>
Signed-off-by: Prarit Bhargava <prarit@...hat.com>
---
 arch/x86/kernel/apic/io_apic.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 6ad4658..bf97b64 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2240,7 +2240,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
 			apic->send_IPI_self(IRQ_MOVE_CLEANUP_VECTOR);
 			goto unlock;
 		}
-		__this_cpu_write(vector_irq[vector], -1);
+		__this_cpu_write(vector_irq[vector], VECTOR_UNDEFINED);
 unlock:
 		raw_spin_unlock(&desc->lock);
 	}
-- 
1.7.9.3

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