9 files changed, 87 insertions, 13 deletions

diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index 608152a2a05e..00df126169b4 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 be83336fddba..a6450b3ae759 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 4e16ef4a2659..80444c5c9b14 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 9f65b4cc323c..9be697126013 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 fd8ca53943a8..74d87ea85b5c 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 a82473d192a3..375cb2bc45be 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 c47208fc5932..d89a648fe710 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 55ceb8cdef75..484c4a80d38a 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 309366f8f603..e24c45677094 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;