15 files changed, 41 insertions, 25 deletions

diff --git a/arch/x86/boot/video-vga.c b/arch/x86/boot/video-vga.c
index ed7aeff786b2..45bc9402aa49 100644
--- a/arch/x86/boot/video-vga.c
+++ b/arch/x86/boot/video-vga.c
@@ -41,13 +41,12 @@ static __videocard video_vga;
 static u8 vga_set_basic_mode(void)
 {
         struct biosregs ireg, oreg;
-        u16 ax;
         u8 mode;
 
         initregs(&ireg);
 
         /* Query current mode */
-        ax = 0x0f00;
+        ireg.ax = 0x0f00;
         intcall(0x10, &ireg, &oreg);
         mode = oreg.al;
 
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 63cb4096c3dc..9cb2edb87c2f 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -183,7 +183,7 @@ struct mp_ioapic_gsi{
         u32 gsi_end;
 };
 extern struct mp_ioapic_gsi  mp_gsi_routing[];
-extern u32 gsi_end;
+extern u32 gsi_top;
 int mp_find_ioapic(u32 gsi);
 int mp_find_ioapic_pin(int ioapic, u32 gsi);
 void __init mp_register_ioapic(int id, u32 address, u32 gsi_base);
@@ -197,7 +197,7 @@ static const int timer_through_8259 = 0;
 static inline void ioapic_init_mappings(void)   { }
 static inline void ioapic_insert_resources(void) { }
 static inline void probe_nr_irqs_gsi(void)      { }
-#define gsi_end (NR_IRQS_LEGACY - 1)
+#define gsi_top (NR_IRQS_LEGACY)
 static inline int mp_find_ioapic(u32 gsi) { return 0; }
 
 struct io_apic_irq_attr;
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index 0797e748d280..cd28f9ad910d 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -77,6 +77,7 @@ do {							\
         if (0) {                                        \
                 pto_T__ pto_tmp__;                      \
                 pto_tmp__ = (val);                      \
+                (void)pto_tmp__;                        \
         }                                               \
         switch (sizeof(var)) {                          \
         case 1:                                         \
@@ -115,6 +116,7 @@ do {									\
         if (0) {                                                        \
                 pao_T__ pao_tmp__;                                      \
                 pao_tmp__ = (val);                                      \
+                (void)pao_tmp__;                                        \
         }                                                               \
         switch (sizeof(var)) {                                          \
         case 1:                                                         \
diff --git a/arch/x86/include/asm/pgtable_32_types.h b/arch/x86/include/asm/pgtable_32_types.h
index 5e67c1532314..ed5903be26fe 100644
--- a/arch/x86/include/asm/pgtable_32_types.h
+++ b/arch/x86/include/asm/pgtable_32_types.h
@@ -26,7 +26,7 @@
  */
 #define VMALLOC_OFFSET  (8 * 1024 * 1024)
 
-#ifndef __ASSEMBLER__
+#ifndef __ASSEMBLY__
 extern bool __vmalloc_start_set; /* set once high_memory is set */
 #endif
 
diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h
index b8fe48ee2ed9..e7f4d33c55ed 100644
--- a/arch/x86/include/asm/system.h
+++ b/arch/x86/include/asm/system.h
@@ -451,7 +451,7 @@ void stop_this_cpu(void *dummy);
  *
  * (Could use an alternative three way for this if there was one.)
  */
-static inline void rdtsc_barrier(void)
+static __always_inline void rdtsc_barrier(void)
 {
         alternative(ASM_NOP3, "mfence", X86_FEATURE_MFENCE_RDTSC);
         alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC);
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 60cc4058ed5f..c05872aa3ce0 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -118,7 +118,7 @@ static unsigned int gsi_to_irq(unsigned int gsi)
         if (gsi >= NR_IRQS_LEGACY)
                 irq = gsi;
         else
-                irq = gsi_end + 1 + gsi;
+                irq = gsi_top + gsi;
 
         return irq;
 }
@@ -129,10 +129,10 @@ static u32 irq_to_gsi(int irq)
 
         if (irq < NR_IRQS_LEGACY)
                 gsi = isa_irq_to_gsi[irq];
-        else if (irq <= gsi_end)
+        else if (irq < gsi_top)
                 gsi = irq;
-        else if (irq <= (gsi_end + NR_IRQS_LEGACY))
-                gsi = irq - gsi_end;
+        else if (irq < (gsi_top + NR_IRQS_LEGACY))
+                gsi = irq - gsi_top;
         else
                 gsi = 0xffffffff;
 
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 33f3563a2a52..e41ed24ab26d 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -89,8 +89,8 @@ int nr_ioapics;
 /* IO APIC gsi routing info */
 struct mp_ioapic_gsi  mp_gsi_routing[MAX_IO_APICS];
 
-/* The last gsi number used */
-u32 gsi_end;
+/* The one past the highest gsi number used */
+u32 gsi_top;
 
 /* MP IRQ source entries */
 struct mpc_intsrc mp_irqs[MAX_IRQ_SOURCES];
@@ -1035,7 +1035,7 @@ static int pin_2_irq(int idx, int apic, int pin)
                 if (gsi >= NR_IRQS_LEGACY)
                         irq = gsi;
                 else
-                        irq = gsi_end + 1 + gsi;
+                        irq = gsi_top + gsi;
         }
 
 #ifdef CONFIG_X86_32
@@ -3853,7 +3853,7 @@ void __init probe_nr_irqs_gsi(void)
 {
         int nr;
 
-        nr = gsi_end + 1 + NR_IRQS_LEGACY;
+        nr = gsi_top + NR_IRQS_LEGACY;
         if (nr > nr_irqs_gsi)
                 nr_irqs_gsi = nr;
 
@@ -4294,8 +4294,8 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
          */
         nr_ioapic_registers[idx] = entries;
 
-        if (mp_gsi_routing[idx].gsi_end > gsi_end)
-                gsi_end = mp_gsi_routing[idx].gsi_end;
+        if (mp_gsi_routing[idx].gsi_end >= gsi_top)
+                gsi_top = mp_gsi_routing[idx].gsi_end + 1;
 
         printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%x, "
                "GSI %d-%d\n", idx, mp_ioapics[idx].apicid,
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index fdbc652d3feb..214ac860ebe0 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -72,6 +72,7 @@ static struct event_constraint intel_westmere_event_constraints[] =
         INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */
         INTEL_EVENT_CONSTRAINT(0x60, 0x1), /* OFFCORE_REQUESTS_OUTSTANDING */
         INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */
+        INTEL_EVENT_CONSTRAINT(0xb3, 0x1), /* SNOOPQ_REQUEST_OUTSTANDING */
         EVENT_CONSTRAINT_END
 };
 
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 7bca3c6a02fb..0d6fc71bedb1 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -729,7 +729,7 @@ static int __init e820_mark_nvs_memory(void)
                 struct e820entry *ei = &e820.map[i];
 
                 if (ei->type == E820_NVS)
-                        hibernate_nvs_register(ei->addr, ei->size);
+                        suspend_nvs_register(ei->addr, ei->size);
         }
 
         return 0;
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 5ae5d2426edf..d86dbf7e54be 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -123,7 +123,7 @@ static void __init MP_ioapic_info(struct mpc_ioapic *m)
         printk(KERN_INFO "I/O APIC #%d Version %d at 0x%X.\n",
                m->apicid, m->apicver, m->apicaddr);
 
-        mp_register_ioapic(m->apicid, m->apicaddr, gsi_end + 1);
+        mp_register_ioapic(m->apicid, m->apicaddr, gsi_top);
 }
 
 static void print_MP_intsrc_info(struct mpc_intsrc *m)
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index fb99f7edb341..0b96b5589f08 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -103,11 +103,16 @@ int use_calgary __read_mostly = 0;
 #define PMR_SOFTSTOPFAULT       0x40000000
 #define PMR_HARDSTOP            0x20000000
 
-#define MAX_NUM_OF_PHBS         8 /* how many PHBs in total? */
-#define MAX_NUM_CHASSIS         8 /* max number of chassis */
-/* MAX_PHB_BUS_NUM is the maximal possible dev->bus->number */
-#define MAX_PHB_BUS_NUM         (MAX_NUM_OF_PHBS * MAX_NUM_CHASSIS * 2)
-#define PHBS_PER_CALGARY        4
+/*
+ * The maximum PHB bus number.
+ * x3950M2 (rare): 8 chassis, 48 PHBs per chassis = 384
+ * x3950M2: 4 chassis, 48 PHBs per chassis        = 192
+ * x3950 (PCIE): 8 chassis, 32 PHBs per chassis   = 256
+ * x3950 (PCIX): 8 chassis, 16 PHBs per chassis   = 128
+ */
+#define MAX_PHB_BUS_NUM         384
+
+#define PHBS_PER_CALGARY          4
 
 /* register offsets in Calgary's internal register space */
 static const unsigned long tar_offsets[] = {
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 8e1aac86b50c..e3af342fe83a 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -228,6 +228,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
                         DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation T5400"),
                 },
         },
+        {       /* Handle problems with rebooting on Dell T7400's */
+                .callback = set_bios_reboot,
+                .ident = "Dell Precision T7400",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation T7400"),
+                },
+        },
         {       /* Handle problems with rebooting on HP laptops */
                 .callback = set_bios_reboot,
                 .ident = "HP Compaq Laptop",
diff --git a/arch/x86/kernel/sfi.c b/arch/x86/kernel/sfi.c
index 7ded57896c0a..cb22acf3ed09 100644
--- a/arch/x86/kernel/sfi.c
+++ b/arch/x86/kernel/sfi.c
@@ -93,7 +93,7 @@ static int __init sfi_parse_ioapic(struct sfi_table_header *table)
         pentry = (struct sfi_apic_table_entry *)sb->pentry;
 
         for (i = 0; i < num; i++) {
-                mp_register_ioapic(i, pentry->phys_addr, gsi_end + 1);
+                mp_register_ioapic(i, pentry->phys_addr, gsi_top);
                 pentry++;
         }
 
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index acc15b23b743..64121a18b8cb 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -302,7 +302,7 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
                 return -EINVAL;
         }
 
-        new  = kmalloc(sizeof(struct memtype), GFP_KERNEL);
+        new  = kzalloc(sizeof(struct memtype), GFP_KERNEL);
         if (!new)
                 return -ENOMEM;
 
diff --git a/arch/x86/mm/pat_rbtree.c b/arch/x86/mm/pat_rbtree.c
index f537087bb740..f20eeec85a86 100644
--- a/arch/x86/mm/pat_rbtree.c
+++ b/arch/x86/mm/pat_rbtree.c
@@ -226,6 +226,7 @@ int rbt_memtype_check_insert(struct memtype *new, unsigned long *ret_type)
                 if (ret_type)
                         new->type = *ret_type;
 
+                new->subtree_max_end = new->end;
                 memtype_rb_insert(&memtype_rbroot, new);
         }
         return err;