9 files changed, 87 insertions, 13 deletions

diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index 608152a2a05..00df126169b 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -18,6 +18,7 @@
 #include <linux/pci.h>
 #include <linux/bitops.h>
 #include <linux/ioport.h>
+#include <linux/suspend.h>
 #include <asm/e820.h>
 #include <asm/io.h>
 #include <asm/gart.h>
@@ -76,6 +77,8 @@ static u32 __init allocate_aperture(void)
 	printk(KERN_INFO "Mapping aperture over %d KB of RAM @ %lx\n",
 			aper_size >> 10, __pa(p));
 	insert_aperture_resource((u32)__pa(p), aper_size);
+	register_nosave_region((u32)__pa(p) >> PAGE_SHIFT,
+				(u32)__pa(p+aper_size) >> PAGE_SHIFT);
 
 	return (u32)__pa(p);
 }
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index be83336fddb..a6450b3ae75 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -711,7 +711,8 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
 		trim_size = end_pfn;
 		trim_size <<= PAGE_SHIFT;
 		trim_size -= trim_start;
-		add_memory_region(trim_start, trim_size, E820_RESERVED);
+		update_memory_range(trim_start, trim_size, E820_RAM,
+					E820_RESERVED);
 		update_e820();
 		return 1;
 	}
diff --git a/arch/x86/kernel/e820_32.c b/arch/x86/kernel/e820_32.c
index 4e16ef4a265..80444c5c9b1 100644
--- a/arch/x86/kernel/e820_32.c
+++ b/arch/x86/kernel/e820_32.c
@@ -749,6 +749,32 @@ static int __init parse_memmap(char *arg)
 	return 0;
 }
 early_param("memmap", parse_memmap);
+void __init update_memory_range(u64 start, u64 size, unsigned old_type,
+				unsigned new_type)
+{
+	int i;
+
+	BUG_ON(old_type == new_type);
+
+	for (i = 0; i < e820.nr_map; i++) {
+		struct e820entry *ei = &e820.map[i];
+		u64 final_start, final_end;
+		if (ei->type != old_type)
+			continue;
+		/* totally covered? */
+		if (ei->addr >= start && ei->size <= size) {
+			ei->type = new_type;
+			continue;
+		}
+		/* partially covered */
+		final_start = max(start, ei->addr);
+		final_end = min(start + size, ei->addr + ei->size);
+		if (final_start >= final_end)
+			continue;
+		add_memory_region(final_start, final_end - final_start,
+					 new_type);
+	}
+}
 void __init update_e820(void)
 {
 	u8 nr_map;
diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c
index 9f65b4cc323..9be69712601 100644
--- a/arch/x86/kernel/e820_64.c
+++ b/arch/x86/kernel/e820_64.c
@@ -744,6 +744,33 @@ void __init finish_e820_parsing(void)
 	}
 }
 
+void __init update_memory_range(u64 start, u64 size, unsigned old_type,
+				unsigned new_type)
+{
+	int i;
+
+	BUG_ON(old_type == new_type);
+
+	for (i = 0; i < e820.nr_map; i++) {
+		struct e820entry *ei = &e820.map[i];
+		u64 final_start, final_end;
+		if (ei->type != old_type)
+			continue;
+		/* totally covered? */
+		if (ei->addr >= start && ei->size <= size) {
+			ei->type = new_type;
+			continue;
+		}
+		/* partially covered */
+		final_start = max(start, ei->addr);
+		final_end = min(start + size, ei->addr + ei->size);
+		if (final_start >= final_end)
+			continue;
+		add_memory_region(final_start, final_end - final_start,
+					 new_type);
+	}
+}
+
 void __init update_e820(void)
 {
 	u8 nr_map;
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index fd8ca53943a..74d87ea85b5 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -657,7 +657,7 @@ int_msg:
 	.asciz "Unknown interrupt or fault at EIP %p %p %p\n"
 
 fault_msg:
-	.ascii								\
+	.asciz								\
 /* fault info: */	"BUG: Int %d: CR2 %p\n"				\
 /* pusha regs: */	"     EDI %p  ESI %p  EBP %p  ESP %p\n"		\
 			"     EBX %p  EDX %p  ECX %p  EAX %p\n"		\
diff --git a/arch/x86/kernel/pci-dma_64.c b/arch/x86/kernel/pci-dma_64.c
index a82473d192a..375cb2bc45b 100644
--- a/arch/x86/kernel/pci-dma_64.c
+++ b/arch/x86/kernel/pci-dma_64.c
@@ -53,11 +53,6 @@ dma_alloc_pages(struct device *dev, gfp_t gfp, unsigned order)
 	int node;
 
 	node = dev_to_node(dev);
-	if (node == -1)
-		node = numa_node_id();
-
-	if (node < first_node(node_online_map))
-		node = first_node(node_online_map);
 
 	page = alloc_pages_node(node, gfp, order);
 	return page ? page_address(page) : NULL;
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index c47208fc593..d89a648fe71 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -363,6 +363,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0051,
 			nvidia_force_enable_hpet);
 
 /* LPC bridges */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0260,
+			nvidia_force_enable_hpet);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0360,
 			nvidia_force_enable_hpet);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0361,
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 55ceb8cdef7..484c4a80d38 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -152,6 +152,24 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "0WF810"),
 		},
 	},
+	{       /* Handle problems with rebooting on Dell Optiplex 745's DFF*/
+		.callback = set_bios_reboot,
+		.ident = "Dell OptiPlex 745",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 745"),
+			DMI_MATCH(DMI_BOARD_NAME, "0MM599"),
+		},
+	},
+	{       /* Handle problems with rebooting on Dell Optiplex 745 with 0KW626 */
+		.callback = set_bios_reboot,
+		.ident = "Dell OptiPlex 745",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 745"),
+			DMI_MATCH(DMI_BOARD_NAME, "0KW626"),
+		},
+	},
 	{	/* Handle problems with rebooting on Dell 2400's */
 		.callback = set_bios_reboot,
 		.ident = "Dell PowerEdge 2400",
diff --git a/arch/x86/kernel/setup64.c b/arch/x86/kernel/setup64.c
index 309366f8f60..e24c4567709 100644
--- a/arch/x86/kernel/setup64.c
+++ b/arch/x86/kernel/setup64.c
@@ -142,14 +142,16 @@ void __init setup_per_cpu_areas(void)
 	printk(KERN_INFO "PERCPU: Allocating %lu bytes of per cpu data\n", size);
 	for_each_cpu_mask (i, cpu_possible_map) {
 		char *ptr;
+#ifndef CONFIG_NEED_MULTIPLE_NODES
+		ptr = alloc_bootmem_pages(size);
+#else
+		int node = early_cpu_to_node(i);
 
-		if (!NODE_DATA(early_cpu_to_node(i))) {
-			printk("cpu with no node %d, num_online_nodes %d\n",
-			       i, num_online_nodes());
+		if (!node_online(node) || !NODE_DATA(node))
 			ptr = alloc_bootmem_pages(size);
-		} else { 
-			ptr = alloc_bootmem_pages_node(NODE_DATA(early_cpu_to_node(i)), size);
-		}
+		else
+			ptr = alloc_bootmem_pages_node(NODE_DATA(node), size);
+#endif
 		if (!ptr)
 			panic("Cannot allocate cpu data for CPU %d\n", i);
 		cpu_pda(i)->data_offset = ptr - __per_cpu_start;