21 files changed, 159 insertions, 55 deletions

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index a801d9d48606..619d843ba231 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -454,8 +454,9 @@ config HPET_TIMER
           Choose N to continue using the legacy 8254 timer.
 
 config HPET_EMULATE_RTC
-        bool "Provide RTC interrupt"
+        bool
         depends on HPET_TIMER && RTC=y
+        default y
 
 config SMP
         bool "Symmetric multi-processing support"
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/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
index 963e17aa205d..60a9e54dd20e 100644
--- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -442,6 +442,13 @@ acpi_cpufreq_cpu_init (
                         (u32) data->acpi_data.states[i].transition_latency);
 
         cpufreq_frequency_table_get_attr(data->freq_table, policy->cpu);
+        
+        /*
+         * the first call to ->target() should result in us actually
+         * writing something to the appropriate registers.
+         */
+        data->resume = 1;
+        
         return (result);
 
  err_freqfree:
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/cpu/transmeta.c b/arch/i386/kernel/cpu/transmeta.c
index f57e5ee94943..fc426380366b 100644
--- a/arch/i386/kernel/cpu/transmeta.c
+++ b/arch/i386/kernel/cpu/transmeta.c
@@ -76,6 +76,12 @@ static void __init init_transmeta(struct cpuinfo_x86 *c)
 #define USER686 (X86_FEATURE_TSC|X86_FEATURE_CX8|X86_FEATURE_CMOV)
         if ( c->x86 == 5 && (c->x86_capability[0] & USER686) == USER686 )
                 c->x86 = 6;
+
+#ifdef CONFIG_SYSCTL
+        /* randomize_va_space slows us down enormously;
+           it probably triggers retranslation of x86->native bytecode */
+        randomize_va_space = 0;
+#endif
 }
 
 static void transmeta_identify(struct cpuinfo_x86 * c)
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 d9492058aaf3..e3f362e8af5b 100644
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -917,6 +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/syscall_table.S b/arch/i386/kernel/syscall_table.S
index 468500a7e894..9b21a31d4f4e 100644
--- a/arch/i386/kernel/syscall_table.S
+++ b/arch/i386/kernel/syscall_table.S
@@ -251,7 +251,7 @@ ENTRY(sys_call_table)
         .long sys_io_submit
         .long sys_io_cancel
         .long sys_fadvise64     /* 250 */
-        .long sys_set_zone_reclaim
+        .long sys_ni_syscall
         .long sys_exit_group
         .long sys_lookup_dcookie
         .long sys_epoll_create
diff --git a/arch/i386/mach-visws/reboot.c b/arch/i386/mach-visws/reboot.c
index 9e9296676f93..5d73e042ed0a 100644
--- a/arch/i386/mach-visws/reboot.c
+++ b/arch/i386/mach-visws/reboot.c
@@ -9,12 +9,15 @@
 void (*pm_power_off)(void);
 EXPORT_SYMBOL(pm_power_off);
 
-void machine_restart(char * __unused)
+void machine_shutdown(void)
 {
 #ifdef CONFIG_SMP
         smp_send_stop();
 #endif
+}
 
+void machine_emergency_restart(void)
+{
         /*
          * Visual Workstations restart after this
          * register is poked on the PIIX4
@@ -22,6 +25,12 @@ void machine_restart(char * __unused)
         outb(PIIX4_RESET_VAL, PIIX4_RESET_PORT);
 }
 
+void machine_restart(char * __unused)
+{
+        machine_shutdown();
+        machine_emergency_restart();
+}
+
 void machine_power_off(void)
 {
         unsigned short pm_status;
diff --git a/arch/i386/mach-visws/setup.c b/arch/i386/mach-visws/setup.c
index 9f6d2d9b1be7..26ada6fc0d77 100644
--- a/arch/i386/mach-visws/setup.c
+++ b/arch/i386/mach-visws/setup.c
@@ -14,6 +14,8 @@
 #include "cobalt.h"
 #include "piix4.h"
 
+int no_broadcast;
+
 char visws_board_type = -1;
 char visws_board_rev = -1;
 
diff --git a/arch/i386/mach-voyager/voyager_basic.c b/arch/i386/mach-voyager/voyager_basic.c
index b3eda46e0fe9..c6384061328a 100644
--- a/arch/i386/mach-voyager/voyager_basic.c
+++ b/arch/i386/mach-voyager/voyager_basic.c
@@ -252,6 +252,12 @@ kb_wait(void)
 }
 
 void
+machine_shutdown(void)
+{
+        /* Architecture specific shutdown needed before a kexec */
+}
+
+void
 machine_restart(char *cmd)
 {
         printk("Voyager Warm Restart\n");
@@ -279,6 +285,13 @@ machine_restart(char *cmd)
 }
 
 void
+machine_emergency_restart(void)
+{
+        /*for now, just hook this to a warm restart */
+        machine_restart(NULL);
+}
+
+void
 mca_nmi_hook(void)
 {
         __u8 dumpval __attribute__((unused)) = inb(0xf823);
diff --git a/arch/i386/mm/discontig.c b/arch/i386/mm/discontig.c
index b358f0702a44..6711ce3f6916 100644
--- a/arch/i386/mm/discontig.c
+++ b/arch/i386/mm/discontig.c
@@ -262,6 +262,17 @@ static unsigned long calculate_numa_remap_pages(void)
                 reserve_pages += size;
                 printk("Shrinking node %d from %ld pages to %ld pages\n",
                         nid, node_end_pfn[nid], node_end_pfn[nid] - size);
+
+                if (node_end_pfn[nid] & (PTRS_PER_PTE-1)) {
+                        /*
+                         * Align node_end_pfn[] and node_remap_start_pfn[] to
+                         * pmd boundary. remap_numa_kva will barf otherwise.
+                         */
+                        printk("Shrinking node %d further by %ld pages for proper alignment\n",
+                                nid, node_end_pfn[nid] & (PTRS_PER_PTE-1));
+                        size +=  node_end_pfn[nid] & (PTRS_PER_PTE-1);
+                }
+
                 node_end_pfn[nid] -= size;
                 node_remap_start_pfn[nid] = node_end_pfn[nid];
         }
diff --git a/arch/i386/pci/acpi.c b/arch/i386/pci/acpi.c
index 2db65ec45dc3..42913f43feb0 100644
--- a/arch/i386/pci/acpi.c
+++ b/arch/i386/pci/acpi.c
@@ -30,6 +30,7 @@ static int __init pci_acpi_init(void)
         acpi_irq_penalty_init();
         pcibios_scanned++;
         pcibios_enable_irq = acpi_pci_irq_enable;
+        pcibios_disable_irq = acpi_pci_irq_disable;
 
         if (pci_routeirq) {
                 /*
diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c
index 70bcd53451f6..ade5bc57c34c 100644
--- a/arch/i386/pci/common.c
+++ b/arch/i386/pci/common.c
@@ -254,3 +254,9 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
 
         return pcibios_enable_irq(dev);
 }
+
+void pcibios_disable_device (struct pci_dev *dev)
+{
+        if (pcibios_disable_irq)
+                pcibios_disable_irq(dev);
+}
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index 766b104ac1a1..86348b68fda1 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -56,6 +56,7 @@ struct irq_router_handler {
 };
 
 int (*pcibios_enable_irq)(struct pci_dev *dev) = NULL;
+void (*pcibios_disable_irq)(struct pci_dev *dev) = NULL;
 
 /*
  *  Check passed address for the PCI IRQ Routing Table signature
@@ -550,6 +551,13 @@ 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:
diff --git a/arch/i386/pci/pci.h b/arch/i386/pci/pci.h
index a80f0f55ff51..127d53ad16be 100644
--- a/arch/i386/pci/pci.h
+++ b/arch/i386/pci/pci.h
@@ -73,3 +73,4 @@ extern int pcibios_scanned;
 extern spinlock_t pci_config_lock;
 
 extern int (*pcibios_enable_irq)(struct pci_dev *dev);
+extern void (*pcibios_disable_irq)(struct pci_dev *dev);
diff --git a/arch/i386/pci/visws.c b/arch/i386/pci/visws.c
index 314c933b6b8e..6c17433fdf7d 100644
--- a/arch/i386/pci/visws.c
+++ b/arch/i386/pci/visws.c
@@ -18,8 +18,10 @@
 extern struct pci_raw_ops pci_direct_conf1;
 
 static int pci_visws_enable_irq(struct pci_dev *dev) { return 0; }
+static void pci_visws_disable_irq(struct pci_dev *dev) { }
 
 int (*pcibios_enable_irq)(struct pci_dev *dev) = &pci_visws_enable_irq;
+void (*pcibios_disable_irq)(struct pci_dev *dev) = &pci_visws_disable_irq;
 
 void __init pcibios_penalize_isa_irq(int irq, int active) {}