7 files changed, 28 insertions, 20 deletions
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 53eb5cfd5b6..848bb97af7c 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -650,7 +650,7 @@ acpi_find_rsdp (void)
 	 */
 	rsdp_phys = acpi_scan_rsdp (0, 0x400);
 	if (!rsdp_phys)
-		rsdp_phys = acpi_scan_rsdp (0xE0000, 0xFFFFF);
+		rsdp_phys = acpi_scan_rsdp (0xE0000, 0x20000);
 
 	return rsdp_phys;
 }
diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c
index 16dbc4151be..73aeaf5a9d4 100644
--- a/arch/i386/kernel/cpu/amd.c
+++ b/arch/i386/kernel/cpu/amd.c
@@ -24,9 +24,6 @@ __asm__(".align 4\nvide: ret");
 
 static void __init init_amd(struct cpuinfo_x86 *c)
 {
-#ifdef CONFIG_X86_SMP
-	int cpu = c == &boot_cpu_data ? 0 : c - cpu_data;
-#endif
 	u32 l, h;
 	int mbytes = num_physpages >> (20-PAGE_SHIFT);
 	int r;
@@ -198,14 +195,19 @@ static void __init init_amd(struct cpuinfo_x86 *c)
 			c->x86_num_cores = 1;
 	}
 
-#ifdef CONFIG_X86_SMP
+#ifdef CONFIG_X86_HT
 	/*
 	 * On a AMD dual core setup the lower bits of the APIC id
 	 * distingush the cores.  Assumes number of cores is a power
 	 * of two.
 	 */
 	if (c->x86_num_cores > 1) {
-		cpu_core_id[cpu] = cpu >> hweight32(c->x86_num_cores - 1);
+		int cpu = smp_processor_id();
+		unsigned bits = 0;
+		while ((1 << bits) < c->x86_num_cores)
+			bits++;
+		cpu_core_id[cpu] = phys_proc_id[cpu] & ((1<<bits)-1);
+		phys_proc_id[cpu] >>= bits;
 		printk(KERN_INFO "CPU %d(%d) -> Core %d\n",
 		       cpu, c->x86_num_cores, cpu_core_id[cpu]);
 	}
diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c
index 6be0310e3cd..d199e525680 100644
--- a/arch/i386/kernel/cpu/common.c
+++ b/arch/i386/kernel/cpu/common.c
@@ -243,6 +243,10 @@ static void __init early_cpu_detect(void)
 	}
 
 	early_intel_workaround(c);
+
+#ifdef CONFIG_X86_HT
+	phys_proc_id[smp_processor_id()] = (cpuid_ebx(1) >> 24) & 0xff;
+#endif
 }
 
 void __init generic_identify(struct cpuinfo_x86 * c)
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index cbea7ac582e..35bfe138cb1 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -888,6 +888,7 @@ void *xquad_portio;
 
 cpumask_t cpu_sibling_map[NR_CPUS] __cacheline_aligned;
 cpumask_t cpu_core_map[NR_CPUS] __cacheline_aligned;
+EXPORT_SYMBOL(cpu_core_map);
 
 static void __init smp_boot_cpus(unsigned int max_cpus)
 {
diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c
index 903d739ca74..a6e0ddd65bd 100644
--- a/arch/i386/mach-voyager/voyager_smp.c
+++ b/arch/i386/mach-voyager/voyager_smp.c
@@ -97,7 +97,6 @@ static void ack_vic_irq(unsigned int irq);
 static void vic_enable_cpi(void);
 static void do_boot_cpu(__u8 cpuid);
 static void do_quad_bootstrap(void);
-static inline void wrapper_smp_local_timer_interrupt(struct pt_regs *);
 
 int hard_smp_processor_id(void);
 
@@ -126,6 +125,14 @@ send_QIC_CPI(__u32 cpuset, __u8 cpi)
 }
 
 static inline void
+wrapper_smp_local_timer_interrupt(struct pt_regs *regs)
+{
+	irq_enter();
+	smp_local_timer_interrupt(regs);
+	irq_exit();
+}
+
+static inline void
 send_one_CPI(__u8 cpu, __u8 cpi)
 {
 	if(voyager_quad_processors & (1<<cpu))
@@ -1249,14 +1256,6 @@ smp_vic_timer_interrupt(struct pt_regs *regs)
 	smp_local_timer_interrupt(regs);
 }
 
-static inline void
-wrapper_smp_local_timer_interrupt(struct pt_regs *regs)
-{
-	irq_enter();
-	smp_local_timer_interrupt(regs);
-	irq_exit();
-}
-
 /* local (per CPU) timer interrupt.  It does both profiling and
  * process statistics/rescheduling.
  *
diff --git a/arch/i386/mm/ioremap.c b/arch/i386/mm/ioremap.c
index db06f739991..ab542792b27 100644
--- a/arch/i386/mm/ioremap.c
+++ b/arch/i386/mm/ioremap.c
@@ -238,19 +238,21 @@ void iounmap(volatile void __iomem *addr)
 			addr < phys_to_virt(ISA_END_ADDRESS))
 		return;
 
-	p = remove_vm_area((void *) (PAGE_MASK & (unsigned long __force) addr));
+	write_lock(&vmlist_lock);
+	p = __remove_vm_area((void *) (PAGE_MASK & (unsigned long __force) addr));
 	if (!p) { 
-		printk("__iounmap: bad address %p\n", addr);
-		return;
+		printk("iounmap: bad address %p\n", addr);
+		goto out_unlock;
 	}
 
 	if ((p->flags >> 20) && p->phys_addr < virt_to_phys(high_memory) - 1) {
-		/* p->size includes the guard page, but cpa doesn't like that */
 		change_page_attr(virt_to_page(__va(p->phys_addr)),
 				 p->size >> PAGE_SHIFT,
 				 PAGE_KERNEL);
 		global_flush_tlb();
 	} 
+out_unlock:
+	write_unlock(&vmlist_lock);
 	kfree(p); 
 }
 
diff --git a/arch/i386/pci/fixup.c b/arch/i386/pci/fixup.c
index be52c5ac4e0..8e8e895e1b5 100644
--- a/arch/i386/pci/fixup.c
+++ b/arch/i386/pci/fixup.c
@@ -253,7 +253,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2, pci
 #define MAX_PCIEROOT	6
 static int quirk_aspm_offset[MAX_PCIEROOT << 3];
 
-#define GET_INDEX(a, b) (((a - PCI_DEVICE_ID_INTEL_MCH_PA) << 3) + b)
+#define GET_INDEX(a, b) ((((a) - PCI_DEVICE_ID_INTEL_MCH_PA) << 3) + ((b) & 7))
 
 static int quirk_pcie_aspm_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
 {