linux-kernel - Subject: [PATCH] x86, UV: UV apic mode fix

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Message-ID: <20090727143856.GA8905@sgi.com>
Date:	Mon, 27 Jul 2009 09:38:56 -0500
From:	Jack Steiner <steiner@....com>
To:	mingo@...e.hu, tglx@...utronix.de
Cc:	linux-kernel@...r.kernel.org
Subject: Subject: [PATCH] x86, UV: UV apic mode fix

Change SGI UV default apicid mode to "physical".  This is
required to match settings in the UV hub chip.


Signed-off-by: Jack Steiner <steiner@....com>

---
 arch/x86/kernel/apic/x2apic_uv_x.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux/arch/x86/kernel/apic/x2apic_uv_x.c
===================================================================
--- linux.orig/arch/x86/kernel/apic/x2apic_uv_x.c	2009-06-22 08:36:27.000000000 -0500
+++ linux/arch/x86/kernel/apic/x2apic_uv_x.c	2009-06-22 08:38:59.000000000 -0500
@@ -261,7 +261,7 @@ struct apic apic_x2apic_uv_x = {
 	.apic_id_registered		= uv_apic_id_registered,
 
 	.irq_delivery_mode		= dest_Fixed,
-	.irq_dest_mode			= 1, /* logical */
+	.irq_dest_mode			= 0, /* physical */
 
 	.target_cpus			= uv_target_cpus,
 	.disable_esr			= 0,
--
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