linux-kernel - Re: [PATCH] ACPI: Unneccessary to scan the PCI bus already scanned.

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Date:	Mon, 3 Mar 2008 11:10:40 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Yinghai Lu <yhlu.kernel@...il.com>
Cc:	Greg KH <gregkh@...e.de>, Muli Ben-Yehuda <muli@...ibm.com>,
	Zhao Yakui <yakui.zhao@...el.com>, lenb@...nel.org,
	linux-acpi@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ACPI: Unneccessary to scan the PCI bus already scanned.


* Yinghai Lu <yhlu.kernel@...il.com> wrote:

> also please use attached patch to replace the one patch in x86.git# 
> testing. old one can not be applied after Yakui's patch.

ok, thanks. Note, i still have the patch below filed up against it - is 
that still needed?

	Ingo

-------------->
Subject: x86: fix k8-bus_64.c build
From: Ingo Molnar <mingo@...e.hu>
Date: Wed Feb 20 10:30:15 CET 2008

Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/pci/k8-bus_64.c   |    6 ++++++
 include/asm-x86/topology.h |    4 ++--
 2 files changed, 8 insertions(+), 2 deletions(-)

Index: linux-x86.q/arch/x86/pci/k8-bus_64.c
===================================================================
--- linux-x86.q.orig/arch/x86/pci/k8-bus_64.c
+++ linux-x86.q/arch/x86/pci/k8-bus_64.c
@@ -22,6 +22,8 @@
 #define SUBORDINATE_LDT_BUS_NUMBER(dword) ((dword >> 16) & 0xFF)
 #define PCI_DEVICE_ID_K8HTCONFIG 0x1100
 
+#ifdef CONFIG_NUMA
+
 #define BUS_NR 256
 
 static int mp_bus_to_node[BUS_NR];
@@ -51,6 +53,8 @@ int get_mp_bus_to_node(int busnum)
 	return node;
 }
 
+#endif
+
 /**
  * early_fill_mp_bus_to_node()
  * called before pcibios_scan_root and pci_scan_bus
@@ -60,6 +64,7 @@ int get_mp_bus_to_node(int busnum)
 __init static int
 early_fill_mp_bus_to_node(void)
 {
+#ifdef CONFIG_NUMA
 	int i, j;
 	unsigned slot;
 	u32 ldtbus, nid;
@@ -111,6 +116,7 @@ early_fill_mp_bus_to_node(void)
 		if (node >= 0)
 			printk(KERN_DEBUG "bus: %02x to node: %02x\n", i, node);
 	}
+#endif
 	return 0;
 }
 
Index: linux-x86.q/include/asm-x86/topology.h
===================================================================
--- linux-x86.q.orig/include/asm-x86/topology.h
+++ linux-x86.q/include/asm-x86/topology.h
@@ -165,8 +165,8 @@ extern int __node_distance(int, int);
 #define node_distance(a, b) __node_distance(a, b)
 #endif
 
-int get_mp_bus_to_node(int busnum);
-void set_mp_bus_to_node(int busnum, int node);
+extern int get_mp_bus_to_node(int busnum);
+extern void set_mp_bus_to_node(int busnum, int node);
 
 #else /* CONFIG_NUMA */
 
--
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