linux-kernel - [tip:irq/numa] x86, irq: update_mptable needs pci

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Date:	Mon, 18 May 2009 07:40:26 GMT
From:	tip-bot for Yinghai Lu <yinghai@...nel.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	yinghai@...nel.org, jbarnes@...tuousgeek.org, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:irq/numa] x86, irq: update_mptable needs pci_routeirq

Commit-ID:  629e15d245f46bef9d26199b450f882f9437a8fe
Gitweb:     http://git.kernel.org/tip/629e15d245f46bef9d26199b450f882f9437a8fe
Author:     Yinghai Lu <yinghai@...nel.org>
AuthorDate: Fri, 15 May 2009 13:05:16 -0700
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 18 May 2009 09:33:17 +0200

x86, irq: update_mptable needs pci_routeirq

To get all device irq routing and to save them.

This is basically an implicit pci=routeirq enablement if (and on if)
the update_mptable boot option (which is off by default) has been
specified.

[ Impact: extend the update_mptable boot opion's scope ]

Signed-off-by: Yinghai Lu <yinghai@...nel.org>
Cc: Jesse Barnes <jbarnes@...tuousgeek.org>
LKML-Reference: <4A0DB7B4.4060702@...nel.org>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 arch/x86/kernel/mpparse.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index cd2a41a..e6bf9d0 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -17,6 +17,7 @@
 #include <linux/acpi.h>
 #include <linux/module.h>
 #include <linux/smp.h>
+#include <linux/pci.h>
 
 #include <asm/mtrr.h>
 #include <asm/mpspec.h>
@@ -961,6 +962,9 @@ static int __initdata enable_update_mptable;
 static int __init update_mptable_setup(char *str)
 {
 	enable_update_mptable = 1;
+#ifdef CONFIG_PCI
+	pci_routeirq = 1;
+#endif
 	return 0;
 }
 early_param("update_mptable", update_mptable_setup);
@@ -973,6 +977,9 @@ static int __initdata alloc_mptable;
 static int __init parse_alloc_mptable_opt(char *p)
 {
 	enable_update_mptable = 1;
+#ifdef CONFIG_PCI
+	pci_routeirq = 1;
+#endif
 	alloc_mptable = 1;
 	if (!p)
 		return 0;
--
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