17 files changed, 133 insertions, 112 deletions

diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug
index bfb2064f7104..5228c40a6fb2 100644
--- a/arch/i386/Kconfig.debug
+++ b/arch/i386/Kconfig.debug
@@ -18,6 +18,9 @@ config EARLY_PRINTK
 config DEBUG_STACKOVERFLOW
         bool "Check for stack overflows"
         depends on DEBUG_KERNEL
+        help
+          This option will cause messages to be printed if free stack space
+          drops below a certain limit.
 
 config KPROBES
         bool "Kprobes"
diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c
index 064211d5f41b..d7811c4e8b50 100644
--- a/arch/i386/kernel/apm.c
+++ b/arch/i386/kernel/apm.c
@@ -911,14 +911,7 @@ static void apm_power_off(void)
                 0xcd, 0x15              /* int   $0x15       */
         };
 
-        /*
-         * This may be called on an SMP machine.
-         */
-#ifdef CONFIG_SMP
         /* Some bioses don't like being called from CPU != 0 */
-        set_cpus_allowed(current, cpumask_of_cpu(0));
-        BUG_ON(smp_processor_id() != 0);
-#endif
         if (apm_info.realmode_power_off)
         {
                 (void)apm_save_cpus();
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
index 10cc096c0ade..ab6e0611303d 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
@@ -1,5 +1,5 @@
 /*
- *   (c) 2003, 2004 Advanced Micro Devices, Inc.
+ *   (c) 2003, 2004, 2005 Advanced Micro Devices, Inc.
  *  Your use of this code is subject to the terms and conditions of the
  *  GNU general public license version 2. See "COPYING" or
  *  http://www.gnu.org/licenses/gpl.html
@@ -44,7 +44,7 @@
 
 #define PFX "powernow-k8: "
 #define BFX PFX "BIOS error: "
-#define VERSION "version 1.40.2"
+#define VERSION "version 1.50.3"
 #include "powernow-k8.h"
 
 /* serialize freq changes  */
@@ -110,14 +110,13 @@ static int query_current_values_with_pending_wait(struct powernow_k8_data *data)
         u32 lo, hi;
         u32 i = 0;
 
-        lo = MSR_S_LO_CHANGE_PENDING;
-        while (lo & MSR_S_LO_CHANGE_PENDING) {
+        do {
                 if (i++ > 0x1000000) {
                         printk(KERN_ERR PFX "detected change pending stuck\n");
                         return 1;
                 }
                 rdmsr(MSR_FIDVID_STATUS, lo, hi);
-        }
+        } while (lo & MSR_S_LO_CHANGE_PENDING);
 
         data->currvid = hi & MSR_S_HI_CURRENT_VID;
         data->currfid = lo & MSR_S_LO_CURRENT_FID;
@@ -232,7 +231,7 @@ static int write_new_vid(struct powernow_k8_data *data, u32 vid)
 /*
  * Reduce the vid by the max of step or reqvid.
  * Decreasing vid codes represent increasing voltages:
- * vid of 0 is 1.550V, vid of 0x1e is 0.800V, vid of 0x1f is off.
+ * vid of 0 is 1.550V, vid of 0x1e is 0.800V, vid of VID_OFF is off.
  */
 static int decrease_vid_code_by_step(struct powernow_k8_data *data, u32 reqvid, u32 step)
 {
@@ -467,7 +466,7 @@ static int check_supported_cpu(unsigned int cpu)
         eax = cpuid_eax(CPUID_PROCESSOR_SIGNATURE);
         if (((eax & CPUID_USE_XFAM_XMOD) != CPUID_USE_XFAM_XMOD) ||
             ((eax & CPUID_XFAM) != CPUID_XFAM_K8) ||
-            ((eax & CPUID_XMOD) > CPUID_XMOD_REV_E)) {
+            ((eax & CPUID_XMOD) > CPUID_XMOD_REV_F)) {
                 printk(KERN_INFO PFX "Processor cpuid %x not supported\n", eax);
                 goto out;
         }
@@ -696,6 +695,7 @@ static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned
 
         data->irt = (data->acpi_data.states[index].control >> IRT_SHIFT) & IRT_MASK;
         data->rvo = (data->acpi_data.states[index].control >> RVO_SHIFT) & RVO_MASK;
+        data->exttype = (data->acpi_data.states[index].control >> EXT_TYPE_SHIFT) & EXT_TYPE_MASK;
         data->plllock = (data->acpi_data.states[index].control >> PLL_L_SHIFT) & PLL_L_MASK;
         data->vidmvs = 1 << ((data->acpi_data.states[index].control >> MVS_SHIFT) & MVS_MASK);
         data->vstable = (data->acpi_data.states[index].control >> VST_SHIFT) & VST_MASK;
@@ -735,8 +735,16 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
         }
 
         for (i = 0; i < data->acpi_data.state_count; i++) {
-                u32 fid = data->acpi_data.states[i].control & FID_MASK;
-                u32 vid = (data->acpi_data.states[i].control >> VID_SHIFT) & VID_MASK;
+                u32 fid;
+                u32 vid;
+
+                if (data->exttype) {
+                        fid = data->acpi_data.states[i].status & FID_MASK;
+                        vid = (data->acpi_data.states[i].status >> VID_SHIFT) & VID_MASK;
+                } else {
+                        fid = data->acpi_data.states[i].control & FID_MASK;
+                        vid = (data->acpi_data.states[i].control >> VID_SHIFT) & VID_MASK;
+                }
 
                 dprintk("   %d : fid 0x%x, vid 0x%x\n", i, fid, vid);
 
@@ -753,7 +761,7 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
                 }
 
                 /* verify voltage is OK - BIOSs are using "off" to indicate invalid */
-                if (vid == 0x1f) {
+                if (vid == VID_OFF) {
                         dprintk("invalid vid %u, ignoring\n", vid);
                         powernow_table[i].frequency = CPUFREQ_ENTRY_INVALID;
                         continue;
@@ -930,15 +938,6 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
 
         down(&fidvid_sem);
 
-        for_each_cpu_mask(i, cpu_core_map[pol->cpu]) {
-                /* make sure the sibling is initialized */
-                if (!powernow_data[i]) {
-                        ret = 0;
-                        up(&fidvid_sem);
-                        goto err_out;
-                }
-        }
-
         powernow_k8_acpi_pst_values(data, newstate);
 
         if (transition_frequency(data, newstate)) {
@@ -978,7 +977,7 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
 {
         struct powernow_k8_data *data;
         cpumask_t oldmask = CPU_MASK_ALL;
-        int rc;
+        int rc, i;
 
         if (!check_supported_cpu(pol->cpu))
                 return -ENODEV;
@@ -1064,7 +1063,9 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
         printk("cpu_init done, current fid 0x%x, vid 0x%x\n",
                data->currfid, data->currvid);
 
-        powernow_data[pol->cpu] = data;
+        for_each_cpu_mask(i, cpu_core_map[pol->cpu]) {
+                powernow_data[i] = data;
+        }
 
         return 0;
 
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
index 9ed5bf221cb7..b1e85bb36396 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
@@ -1,5 +1,5 @@
 /*
- *  (c) 2003, 2004 Advanced Micro Devices, Inc.
+ *  (c) 2003, 2004, 2005 Advanced Micro Devices, Inc.
  *  Your use of this code is subject to the terms and conditions of the
  *  GNU general public license version 2. See "COPYING" or
  *  http://www.gnu.org/licenses/gpl.html
@@ -19,6 +19,7 @@ struct powernow_k8_data {
         u32 vidmvs;  /* usable value calculated from mvs */
         u32 vstable; /* voltage stabilization time, units 20 us */
         u32 plllock; /* pll lock time, units 1 us */
+        u32 exttype; /* extended interface = 1 */
 
         /* keep track of the current fid / vid */
         u32 currvid, currfid;
@@ -41,7 +42,7 @@ struct powernow_k8_data {
 #define CPUID_XFAM                      0x0ff00000      /* extended family */
 #define CPUID_XFAM_K8                   0
 #define CPUID_XMOD                      0x000f0000      /* extended model */
-#define CPUID_XMOD_REV_E                0x00020000
+#define CPUID_XMOD_REV_F                0x00040000
 #define CPUID_USE_XFAM_XMOD             0x00000f00
 #define CPUID_GET_MAX_CAPABILITIES      0x80000000
 #define CPUID_FREQ_VOLT_CAPABILITIES    0x80000007
@@ -57,25 +58,26 @@ struct powernow_k8_data {
 
 /* Field definitions within the FID VID Low Control MSR : */
 #define MSR_C_LO_INIT_FID_VID     0x00010000
-#define MSR_C_LO_NEW_VID          0x00001f00
-#define MSR_C_LO_NEW_FID          0x0000002f
+#define MSR_C_LO_NEW_VID          0x00003f00
+#define MSR_C_LO_NEW_FID          0x0000003f
 #define MSR_C_LO_VID_SHIFT        8
 
 /* Field definitions within the FID VID High Control MSR : */
-#define MSR_C_HI_STP_GNT_TO       0x000fffff
+#define MSR_C_HI_STP_GNT_TO       0x000fffff
 
 /* Field definitions within the FID VID Low Status MSR : */
-#define MSR_S_LO_CHANGE_PENDING   0x80000000    /* cleared when completed */
-#define MSR_S_LO_MAX_RAMP_VID     0x1f000000
+#define MSR_S_LO_CHANGE_PENDING   0x80000000   /* cleared when completed */
+#define MSR_S_LO_MAX_RAMP_VID     0x3f000000
 #define MSR_S_LO_MAX_FID          0x003f0000
 #define MSR_S_LO_START_FID        0x00003f00
 #define MSR_S_LO_CURRENT_FID      0x0000003f
 
 /* Field definitions within the FID VID High Status MSR : */
-#define MSR_S_HI_MAX_WORKING_VID  0x001f0000
-#define MSR_S_HI_START_VID        0x00001f00
-#define MSR_S_HI_CURRENT_VID      0x0000001f
-#define MSR_C_HI_STP_GNT_BENIGN   0x00000001
+#define MSR_S_HI_MIN_WORKING_VID  0x3f000000
+#define MSR_S_HI_MAX_WORKING_VID  0x003f0000
+#define MSR_S_HI_START_VID        0x00003f00
+#define MSR_S_HI_CURRENT_VID      0x0000003f
+#define MSR_C_HI_STP_GNT_BENIGN   0x00000001
 
 /*
  * There are restrictions frequencies have to follow:
@@ -99,13 +101,15 @@ struct powernow_k8_data {
 #define MIN_FREQ_RESOLUTION  200 /* fids jump by 2 matching freq jumps by 200 */
 
 #define MAX_FID 0x2a    /* Spec only gives FID values as far as 5 GHz */
-#define LEAST_VID 0x1e  /* Lowest (numerically highest) useful vid value */
+#define LEAST_VID 0x3e  /* Lowest (numerically highest) useful vid value */
 
 #define MIN_FREQ 800    /* Min and max freqs, per spec */
 #define MAX_FREQ 5000
 
 #define INVALID_FID_MASK 0xffffffc1  /* not a valid fid if these bits are set */
-#define INVALID_VID_MASK 0xffffffe0  /* not a valid vid if these bits are set */
+#define INVALID_VID_MASK 0xffffffc0  /* not a valid vid if these bits are set */
+
+#define VID_OFF 0x3f
 
 #define STOP_GRANT_5NS 1 /* min poss memory access latency for voltage change */
 
@@ -121,12 +125,14 @@ struct powernow_k8_data {
                                                                                                     
 #define IRT_SHIFT      30
 #define RVO_SHIFT      28
+#define EXT_TYPE_SHIFT 27
 #define PLL_L_SHIFT    20
 #define MVS_SHIFT      18
 #define VST_SHIFT      11
 #define VID_SHIFT       6
 #define IRT_MASK        3
 #define RVO_MASK        3
+#define EXT_TYPE_MASK   1
 #define PLL_L_MASK   0x7f
 #define MVS_MASK        3
 #define VST_MASK     0x7f
diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c
index 1d768b263269..6c55b50cf048 100644
--- a/arch/i386/kernel/cpu/intel_cacheinfo.c
+++ b/arch/i386/kernel/cpu/intel_cacheinfo.c
@@ -128,7 +128,7 @@ static int __devinit cpuid4_cache_lookup(int index, struct _cpuid4_info *this_le
         cpuid_count(4, index, &eax, &ebx, &ecx, &edx);
         cache_eax.full = eax;
         if (cache_eax.split.type == CACHE_TYPE_NULL)
-                return -1;
+                return -EIO; /* better error ? */
 
         this_leaf->eax.full = eax;
         this_leaf->ebx.full = ebx;
@@ -334,6 +334,7 @@ static int __devinit detect_cache_attributes(unsigned int cpu)
         struct _cpuid4_info     *this_leaf;
         unsigned long           j;
         int                     retval;
+        cpumask_t               oldmask;
 
         if (num_cache_leaves == 0)
                 return -ENOENT;
@@ -345,19 +346,26 @@ static int __devinit detect_cache_attributes(unsigned int cpu)
         memset(cpuid4_info[cpu], 0,
             sizeof(struct _cpuid4_info) * num_cache_leaves);
 
+        oldmask = current->cpus_allowed;
+        retval = set_cpus_allowed(current, cpumask_of_cpu(cpu));
+        if (retval)
+                goto out;
+
         /* Do cpuid and store the results */
+        retval = 0;
         for (j = 0; j < num_cache_leaves; j++) {
                 this_leaf = CPUID4_INFO_IDX(cpu, j);
                 retval = cpuid4_cache_lookup(j, this_leaf);
                 if (unlikely(retval < 0))
-                        goto err_out;
+                        break;
                 cache_shared_cpu_map_setup(cpu, j);
         }
-        return 0;
+        set_cpus_allowed(current, oldmask);
 
-err_out:
-        free_cache_attributes(cpu);
-        return -ENOMEM;
+out:
+        if (retval)
+                free_cache_attributes(cpu);
+        return retval;
 }
 
 #ifdef CONFIG_SYSFS
diff --git a/arch/i386/kernel/i387.c b/arch/i386/kernel/i387.c
index b817168d9c62..d75524758daf 100644
--- a/arch/i386/kernel/i387.c
+++ b/arch/i386/kernel/i387.c
@@ -82,17 +82,6 @@ void kernel_fpu_begin(void)
 }
 EXPORT_SYMBOL_GPL(kernel_fpu_begin);
 
-void restore_fpu( struct task_struct *tsk )
-{
-        if ( cpu_has_fxsr ) {
-                asm volatile( "fxrstor %0"
-                              : : "m" (tsk->thread.i387.fxsave) );
-        } else {
-                asm volatile( "frstor %0"
-                              : : "m" (tsk->thread.i387.fsave) );
-        }
-}
-
 /*
  * FPU tag word conversions.
  */
diff --git a/arch/i386/kernel/machine_kexec.c b/arch/i386/kernel/machine_kexec.c
index 52ed18d8b511..cb699a2aa1f8 100644
--- a/arch/i386/kernel/machine_kexec.c
+++ b/arch/i386/kernel/machine_kexec.c
@@ -16,6 +16,7 @@
 #include <asm/io.h>
 #include <asm/apic.h>
 #include <asm/cpufeature.h>
+#include <asm/desc.h>
 
 static inline unsigned long read_cr3(void)
 {
@@ -90,33 +91,32 @@ static void identity_map_page(unsigned long address)
 }
 #endif
 
-
 static void set_idt(void *newidt, __u16 limit)
 {
-        unsigned char curidt[6];
+        struct Xgt_desc_struct curidt;
 
         /* ia32 supports unaliged loads & stores */
-        (*(__u16 *)(curidt)) = limit;
-        (*(__u32 *)(curidt +2)) = (unsigned long)(newidt);
+        curidt.size    = limit;
+        curidt.address = (unsigned long)newidt;
 
         __asm__ __volatile__ (
-                "lidt %0\n"
-                : "=m" (curidt)
+                "lidtl %0\n"
+                : : "m" (curidt)
                 );
 };
 
 
 static void set_gdt(void *newgdt, __u16 limit)
 {
-        unsigned char curgdt[6];
+        struct Xgt_desc_struct curgdt;
 
         /* ia32 supports unaligned loads & stores */
-        (*(__u16 *)(curgdt)) = limit;
-        (*(__u32 *)(curgdt +2)) = (unsigned long)(newgdt);
+        curgdt.size    = limit;
+        curgdt.address = (unsigned long)newgdt;
 
         __asm__ __volatile__ (
-                "lgdt %0\n"
-                : "=m" (curgdt)
+                "lgdtl %0\n"
+                : : "m" (curgdt)
                 );
 };
 
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
index af917f609c7d..ce838abb27d8 100644
--- a/arch/i386/kernel/mpparse.c
+++ b/arch/i386/kernel/mpparse.c
@@ -1116,7 +1116,15 @@ int mp_register_gsi (u32 gsi, int edge_level, int active_high_low)
                  */
                 int irq = gsi;
                 if (gsi < MAX_GSI_NUM) {
-                        gsi = pci_irq++;
+                        if (gsi > 15)
+                                gsi = pci_irq++;
+#ifdef CONFIG_ACPI_BUS
+                        /*
+                         * Don't assign IRQ used by ACPI SCI
+                         */
+                        if (gsi == acpi_fadt.sci_int)
+                                gsi = pci_irq++;
+#endif
                         gsi_to_irq[irq] = gsi;
                 } else {
                         printk(KERN_ERR "GSI %u is too high\n", gsi);
diff --git a/arch/i386/kernel/numaq.c b/arch/i386/kernel/numaq.c
index e51edf0a6564..5f5b075f860a 100644
--- a/arch/i386/kernel/numaq.c
+++ b/arch/i386/kernel/numaq.c
@@ -31,6 +31,7 @@
 #include <linux/nodemask.h>
 #include <asm/numaq.h>
 #include <asm/topology.h>
+#include <asm/processor.h>
 
 #define MB_TO_PAGES(addr) ((addr) << (20 - PAGE_SHIFT))
 
@@ -77,3 +78,11 @@ int __init get_memcfg_numaq(void)
         smp_dump_qct();
         return 1;
 }
+
+static int __init numaq_dsc_disable(void)
+{
+        printk(KERN_DEBUG "NUMAQ: disabling TSC\n");
+        tsc_disable = 1;
+        return 0;
+}
+core_initcall(numaq_dsc_disable);
diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index ba243a4cc119..e3f362e8af5b 100644
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -700,23 +700,27 @@ struct task_struct fastcall * __switch_to(struct task_struct *prev_p, struct tas
 
         /*
          * Restore %fs and %gs if needed.
+         *
+         * Glibc normally makes %fs be zero, and %gs is one of
+         * the TLS segments.
          */
-        if (unlikely(prev->fs | prev->gs | next->fs | next->gs)) {
+        if (unlikely(prev->fs | next->fs))
                 loadsegment(fs, next->fs);
+
+        if (prev->gs | next->gs)
                 loadsegment(gs, next->gs);
-        }
 
         /*
          * Now maybe reload the debug registers
          */
         if (unlikely(next->debugreg[7])) {
-                set_debugreg(current->thread.debugreg[0], 0);
-                set_debugreg(current->thread.debugreg[1], 1);
-                set_debugreg(current->thread.debugreg[2], 2);
-                set_debugreg(current->thread.debugreg[3], 3);
+                set_debugreg(next->debugreg[0], 0);
+                set_debugreg(next->debugreg[1], 1);
+                set_debugreg(next->debugreg[2], 2);
+                set_debugreg(next->debugreg[3], 3);
                 /* no 4 and 5 */
-                set_debugreg(current->thread.debugreg[6], 6);
-                set_debugreg(current->thread.debugreg[7], 7);
+                set_debugreg(next->debugreg[6], 6);
+                set_debugreg(next->debugreg[7], 7);
         }
 
         if (unlikely(prev->io_bitmap_ptr || next->io_bitmap_ptr))
@@ -913,6 +917,8 @@ asmlinkage int sys_get_thread_area(struct user_desc __user *u_info)
         if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
                 return -EINVAL;
 
+        memset(&info, 0, sizeof(info));
+
         desc = current->thread.tls_array + idx - GDT_ENTRY_TLS_MIN;
 
         info.entry_number = idx;
diff --git a/arch/i386/kernel/reboot.c b/arch/i386/kernel/reboot.c
index b3e584849961..c71fef31dc47 100644
--- a/arch/i386/kernel/reboot.c
+++ b/arch/i386/kernel/reboot.c
@@ -284,7 +284,7 @@ void machine_shutdown(void)
         reboot_cpu_id = 0;
 
         /* See if there has been given a command line override */
-        if ((reboot_cpu_id != -1) && (reboot_cpu < NR_CPUS) &&
+        if ((reboot_cpu != -1) && (reboot_cpu < NR_CPUS) &&
                 cpu_isset(reboot_cpu, cpu_online_map)) {
                 reboot_cpu_id = reboot_cpu;
         }
@@ -311,10 +311,8 @@ void machine_shutdown(void)
 #endif
 }
 
-void machine_restart(char * __unused)
+void machine_emergency_restart(void)
 {
-        machine_shutdown();
-
         if (!reboot_thru_bios) {
                 if (efi_enabled) {
                         efi.reset_system(EFI_RESET_COLD, EFI_SUCCESS, 0, NULL);
@@ -337,23 +335,22 @@ void machine_restart(char * __unused)
         machine_real_restart(jump_to_bios, sizeof(jump_to_bios));
 }
 
-EXPORT_SYMBOL(machine_restart);
+void machine_restart(char * __unused)
+{
+        machine_shutdown();
+        machine_emergency_restart();
+}
 
 void machine_halt(void)
 {
 }
 
-EXPORT_SYMBOL(machine_halt);
-
 void machine_power_off(void)
 {
-        lapic_shutdown();
+        machine_shutdown();
 
-        if (efi_enabled)
-                efi.reset_system(EFI_RESET_SHUTDOWN, EFI_SUCCESS, 0, NULL);
         if (pm_power_off)
                 pm_power_off();
 }
 
-EXPORT_SYMBOL(machine_power_off);
 
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 7306353c520e..af4de58cab54 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -1414,7 +1414,7 @@ static struct nop {
    This runs before SMP is initialized to avoid SMP problems with
    self modifying code. This implies that assymetric systems where
    APs have less capabilities than the boot processor are not handled. 
-   In this case boot with "noreplacement". */ 
+   Tough. Make sure you disable such features by hand. */ 
 void apply_alternatives(void *start, void *end) 
 { 
         struct alt_instr *a; 
@@ -1442,24 +1442,12 @@ void apply_alternatives(void *start, void *end)
         }
 } 
 
-static int no_replacement __initdata = 0; 
- 
 void __init alternative_instructions(void)
 {
         extern struct alt_instr __alt_instructions[], __alt_instructions_end[];
-        if (no_replacement) 
-                return;
         apply_alternatives(__alt_instructions, __alt_instructions_end);
 }
 
-static int __init noreplacement_setup(char *s)
-{ 
-     no_replacement = 1; 
-     return 0; 
-} 
-
-__setup("noreplacement", noreplacement_setup); 
-
 static char * __init machine_specific_memory_setup(void);
 
 #ifdef CONFIG_MCA
diff --git a/arch/i386/mach-visws/reboot.c b/arch/i386/mach-visws/reboot.c
index 3a81e904a7b8..9e9296676f93 100644
--- a/arch/i386/mach-visws/reboot.c
+++ b/arch/i386/mach-visws/reboot.c
@@ -7,6 +7,7 @@
 #include "piix4.h"
 
 void (*pm_power_off)(void);
+EXPORT_SYMBOL(pm_power_off);
 
 void machine_restart(char * __unused)
 {
@@ -21,8 +22,6 @@ void machine_restart(char * __unused)
         outb(PIIX4_RESET_VAL, PIIX4_RESET_PORT);
 }
 
-EXPORT_SYMBOL(machine_restart);
-
 void machine_power_off(void)
 {
         unsigned short pm_status;
@@ -42,10 +41,7 @@ void machine_power_off(void)
         outl(PIIX_SPECIAL_STOP, 0xCFC);
 }
 
-EXPORT_SYMBOL(machine_power_off);
-
 void machine_halt(void)
 {
 }
 
-EXPORT_SYMBOL(machine_halt);
diff --git a/arch/i386/mach-voyager/voyager_basic.c b/arch/i386/mach-voyager/voyager_basic.c
index 3e439ce5e1b2..b3eda46e0fe9 100644
--- a/arch/i386/mach-voyager/voyager_basic.c
+++ b/arch/i386/mach-voyager/voyager_basic.c
@@ -36,6 +36,7 @@
  * Power off function, if any
  */
 void (*pm_power_off)(void);
+EXPORT_SYMBOL(pm_power_off);
 
 int voyager_level = 0;
 
@@ -277,8 +278,6 @@ machine_restart(char *cmd)
         }
 }
 
-EXPORT_SYMBOL(machine_restart);
-
 void
 mca_nmi_hook(void)
 {
@@ -314,12 +313,9 @@ machine_halt(void)
         machine_power_off();
 }
 
-EXPORT_SYMBOL(machine_halt);
-
 void machine_power_off(void)
 {
         if (pm_power_off)
                 pm_power_off();
 }
 
-EXPORT_SYMBOL(machine_power_off);
diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c
index 8c8527593da0..0e1f4208b07c 100644
--- a/arch/i386/mach-voyager/voyager_smp.c
+++ b/arch/i386/mach-voyager/voyager_smp.c
@@ -10,6 +10,7 @@
  * the voyager hal to provide the functionality
  */
 #include <linux/config.h>
+#include <linux/module.h>
 #include <linux/mm.h>
 #include <linux/kernel_stat.h>
 #include <linux/delay.h>
@@ -40,6 +41,7 @@ static unsigned long cpu_irq_affinity[NR_CPUS] __cacheline_aligned = { [0 ... NR
 /* per CPU data structure (for /proc/cpuinfo et al), visible externally
  * indexed physically */
 struct cpuinfo_x86 cpu_data[NR_CPUS] __cacheline_aligned;
+EXPORT_SYMBOL(cpu_data);
 
 /* physical ID of the CPU used to boot the system */
 unsigned char boot_cpu_id;
@@ -72,6 +74,7 @@ static volatile unsigned long smp_invalidate_needed;
 /* Bitmask of currently online CPUs - used by setup.c for
    /proc/cpuinfo, visible externally but still physical */
 cpumask_t cpu_online_map = CPU_MASK_NONE;
+EXPORT_SYMBOL(cpu_online_map);
 
 /* Bitmask of CPUs present in the system - exported by i386_syms.c, used
  * by scheduler but indexed physically */
@@ -238,6 +241,7 @@ static cpumask_t smp_commenced_mask = CPU_MASK_NONE;
 /* This is for the new dynamic CPU boot code */
 cpumask_t cpu_callin_map = CPU_MASK_NONE;
 cpumask_t cpu_callout_map = CPU_MASK_NONE;
+EXPORT_SYMBOL(cpu_callout_map);
 
 /* The per processor IRQ masks (these are usually kept in sync) */
 static __u16 vic_irq_mask[NR_CPUS] __cacheline_aligned;
@@ -978,6 +982,7 @@ void flush_tlb_page(struct vm_area_struct * vma, unsigned long va)
 
         preempt_enable();
 }
+EXPORT_SYMBOL(flush_tlb_page);
 
 /* enable the requested IRQs */
 static void
@@ -1109,6 +1114,7 @@ smp_call_function (void (*func) (void *info), void *info, int retry,
 
         return 0;
 }
+EXPORT_SYMBOL(smp_call_function);
 
 /* Sorry about the name.  In an APIC based system, the APICs
  * themselves are programmed to send a timer interrupt.  This is used
diff --git a/arch/i386/mm/discontig.c b/arch/i386/mm/discontig.c
index b358f0702a44..c369a8bf7cbe 100644
--- a/arch/i386/mm/discontig.c
+++ b/arch/i386/mm/discontig.c
@@ -243,6 +243,14 @@ static unsigned long calculate_numa_remap_pages(void)
                 /* now the roundup is correct, convert to PAGE_SIZE pages */
                 size = size * PTRS_PER_PTE;
 
+                if (node_end_pfn[nid] & (PTRS_PER_PTE-1)) {
+                        /*
+                         * Adjust size if node_end_pfn is not on a proper
+                         * pmd boundary. remap_numa_kva will barf otherwise.
+                         */
+                        size +=  node_end_pfn[nid] & (PTRS_PER_PTE-1);
+                }
+
                 /*
                  * Validate the region we are allocating only contains valid
                  * pages.
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index 766b104ac1a1..d291fb7f1357 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -550,6 +550,13 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route
 static __init int via_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
 {
         /* FIXME: We should move some of the quirk fixup stuff here */
+
+        if (router->device == PCI_DEVICE_ID_VIA_82C686 &&
+                        device == PCI_DEVICE_ID_VIA_82C586_0) {
+                /* Asus k7m bios wrongly reports 82C686A as 586-compatible */
+                device = PCI_DEVICE_ID_VIA_82C686;
+        }
+
         switch(device)
         {
                 case PCI_DEVICE_ID_VIA_82C586_0: