Merge branch 'x86-64'

* x86-64: (83 commits)
  [PATCH] x86_64: x86_64 stack usage debugging
  [PATCH] x86_64: (resend) x86_64 stack overflow debugging
  [PATCH] x86_64: msi_apic.c build fix
  [PATCH] x86_64: i386/x86-64 Add nmi watchdog support for new Intel CPUs
  [PATCH] x86_64: Avoid broadcasting NMI IPIs
  [PATCH] x86_64: fix apic error on bootup
  [PATCH] x86_64: enlarge window for stack growth
  [PATCH] x86_64: Minor string functions optimizations
  [PATCH] x86_64: Move export symbols to their C functions
  [PATCH] x86_64: Standardize i386/x86_64 handling of NMI_VECTOR
  [PATCH] x86_64: Fix modular pc speaker
  [PATCH] x86_64: remove sys32_ni_syscall()
  [PATCH] x86_64: Do not use -ffunction-sections for modules
  [PATCH] x86_64: Add cpu_relax to apic_wait_icr_idle
  [PATCH] x86_64: adjust kstack_depth_to_print default
  [PATCH] i386/x86-64: adjust /proc/interrupts column headings
  [PATCH] x86_64: Fix race in cpu_local_* on preemptible kernels
  [PATCH] x86_64: Fix fast check in safe_smp_processor_id
  [PATCH] x86_64: x86_64 setup.c - printing cmp related boottime information
  [PATCH] i386/x86-64/ia64: Move polling flag into thread_info_status
  ...

Manual resolve of trivial conflict in arch/i386/kernel/Makefile

1 files changed, 55 insertions, 125 deletions

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 143c65031539..1129918ede82 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -5,8 +5,6 @@
  *
  *  Nov 2001 Dave Jones <davej@suse.de>
  *  Forked from i386 setup code.
- *
- *  $Id$
  */
 
 /*
@@ -65,9 +63,7 @@
 #include <asm/setup.h>
 #include <asm/mach_apic.h>
 #include <asm/numa.h>
-#include <asm/swiotlb.h>
 #include <asm/sections.h>
-#include <asm/gart-mapping.h>
 #include <asm/dmi.h>
 
 /*
@@ -75,6 +71,7 @@
  */
 
 struct cpuinfo_x86 boot_cpu_data __read_mostly;
+EXPORT_SYMBOL(boot_cpu_data);
 
 unsigned long mmu_cr4_features;
 
@@ -103,6 +100,7 @@ char dmi_alloc_data[DMI_MAX_DATA];
  * Setup options
  */
 struct screen_info screen_info;
+EXPORT_SYMBOL(screen_info);
 struct sys_desc_table_struct {
         unsigned short length;
         unsigned char table[0];
@@ -474,80 +472,6 @@ contig_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
 } 
 #endif
 
-/* Use inline assembly to define this because the nops are defined 
-   as inline assembly strings in the include files and we cannot 
-   get them easily into strings. */
-asm("\t.data\nk8nops: " 
-    K8_NOP1 K8_NOP2 K8_NOP3 K8_NOP4 K8_NOP5 K8_NOP6
-    K8_NOP7 K8_NOP8); 
-    
-extern unsigned char k8nops[];
-static unsigned char *k8_nops[ASM_NOP_MAX+1] = { 
-     NULL,
-     k8nops,
-     k8nops + 1,
-     k8nops + 1 + 2,
-     k8nops + 1 + 2 + 3,
-     k8nops + 1 + 2 + 3 + 4,
-     k8nops + 1 + 2 + 3 + 4 + 5,
-     k8nops + 1 + 2 + 3 + 4 + 5 + 6,
-     k8nops + 1 + 2 + 3 + 4 + 5 + 6 + 7,
-}; 
-
-extern char __vsyscall_0;
-
-/* Replace instructions with better alternatives for this CPU type.
-
-   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". */ 
-void apply_alternatives(void *start, void *end) 
-{ 
-        struct alt_instr *a; 
-        int diff, i, k;
-        for (a = start; (void *)a < end; a++) { 
-                u8 *instr;
-
-                if (!boot_cpu_has(a->cpuid))
-                        continue;
-
-                BUG_ON(a->replacementlen > a->instrlen); 
-                instr = a->instr;
-                /* vsyscall code is not mapped yet. resolve it manually. */
-                if (instr >= (u8 *)VSYSCALL_START && instr < (u8*)VSYSCALL_END)
-                        instr = __va(instr - (u8*)VSYSCALL_START + (u8*)__pa_symbol(&__vsyscall_0));
-                __inline_memcpy(instr, a->replacement, a->replacementlen);
-                diff = a->instrlen - a->replacementlen; 
-
-                /* Pad the rest with nops */
-                for (i = a->replacementlen; diff > 0; diff -= k, i += k) {
-                        k = diff;
-                        if (k > ASM_NOP_MAX)
-                                k = ASM_NOP_MAX;
-                        __inline_memcpy(instr + i, k8_nops[k], k);
-                } 
-        }
-} 
-
-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 1;
-} 
-
-__setup("noreplacement", noreplacement_setup); 
-
 #if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
 struct edd edd;
 #ifdef CONFIG_EDD_MODULE
@@ -780,10 +704,6 @@ void __init setup_arch(char **cmdline_p)
 
         e820_setup_gap();
 
-#ifdef CONFIG_GART_IOMMU
-        iommu_hole_init();
-#endif
-
 #ifdef CONFIG_VT
 #if defined(CONFIG_VGA_CONSOLE)
         conswitchp = &vga_con;
@@ -868,24 +788,32 @@ static int nearby_node(int apicid)
 static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
 {
 #ifdef CONFIG_SMP
-        int cpu = smp_processor_id();
         unsigned bits;
 #ifdef CONFIG_NUMA
+        int cpu = smp_processor_id();
         int node = 0;
         unsigned apicid = hard_smp_processor_id();
 #endif
+        unsigned ecx = cpuid_ecx(0x80000008);
+
+        c->x86_max_cores = (ecx & 0xff) + 1;
 
-        bits = 0;
-        while ((1 << bits) < c->x86_max_cores)
-                bits++;
+        /* CPU telling us the core id bits shift? */
+        bits = (ecx >> 12) & 0xF;
+
+        /* Otherwise recompute */
+        if (bits == 0) {
+                while ((1 << bits) < c->x86_max_cores)
+                        bits++;
+        }
 
         /* Low order bits define the core id (index of core in socket) */
-        cpu_core_id[cpu] = phys_proc_id[cpu] & ((1 << bits)-1);
+        c->cpu_core_id = c->phys_proc_id & ((1 << bits)-1);
         /* Convert the APIC ID into the socket ID */
-        phys_proc_id[cpu] = phys_pkg_id(bits);
+        c->phys_proc_id = phys_pkg_id(bits);
 
 #ifdef CONFIG_NUMA
-        node = phys_proc_id[cpu];
+        node = c->phys_proc_id;
         if (apicid_to_node[apicid] != NUMA_NO_NODE)
                 node = apicid_to_node[apicid];
         if (!node_online(node)) {
@@ -898,7 +826,7 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
                    but in the same order as the HT nodeids.
                    If that doesn't result in a usable node fall back to the
                    path for the previous case.  */
-                int ht_nodeid = apicid - (phys_proc_id[0] << bits);
+                int ht_nodeid = apicid - (cpu_data[0].phys_proc_id << bits);
                 if (ht_nodeid >= 0 &&
                     apicid_to_node[ht_nodeid] != NUMA_NO_NODE)
                         node = apicid_to_node[ht_nodeid];
@@ -908,15 +836,13 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
         }
         numa_set_node(cpu, node);
 
-        printk(KERN_INFO "CPU %d/%x(%d) -> Node %d -> Core %d\n",
-                        cpu, apicid, c->x86_max_cores, node, cpu_core_id[cpu]);
+        printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
 #endif
 #endif
 }
 
-static int __init init_amd(struct cpuinfo_x86 *c)
+static void __init init_amd(struct cpuinfo_x86 *c)
 {
-        int r;
         unsigned level;
 
 #ifdef CONFIG_SMP
@@ -949,8 +875,8 @@ static int __init init_amd(struct cpuinfo_x86 *c)
         if (c->x86 >= 6)
                 set_bit(X86_FEATURE_FXSAVE_LEAK, &c->x86_capability);
 
-        r = get_model_name(c);
-        if (!r) { 
+        level = get_model_name(c);
+        if (!level) {
                 switch (c->x86) { 
                 case 15:
                         /* Should distinguish Models here, but this is only
@@ -965,13 +891,12 @@ static int __init init_amd(struct cpuinfo_x86 *c)
         if (c->x86_power & (1<<8))
                 set_bit(X86_FEATURE_CONSTANT_TSC, &c->x86_capability);
 
-        if (c->extended_cpuid_level >= 0x80000008) {
-                c->x86_max_cores = (cpuid_ecx(0x80000008) & 0xff) + 1;
-
+        /* Multi core CPU? */
+        if (c->extended_cpuid_level >= 0x80000008)
                 amd_detect_cmp(c);
-        }
 
-        return r;
+        /* Fix cpuid4 emulation for more */
+        num_cache_leaves = 3;
 }
 
 static void __cpuinit detect_ht(struct cpuinfo_x86 *c)
@@ -979,13 +904,14 @@ static void __cpuinit detect_ht(struct cpuinfo_x86 *c)
 #ifdef CONFIG_SMP
         u32     eax, ebx, ecx, edx;
         int     index_msb, core_bits;
-        int     cpu = smp_processor_id();
 
         cpuid(1, &eax, &ebx, &ecx, &edx);
 
 
-        if (!cpu_has(c, X86_FEATURE_HT) || cpu_has(c, X86_FEATURE_CMP_LEGACY))
+        if (!cpu_has(c, X86_FEATURE_HT))
                 return;
+        if (cpu_has(c, X86_FEATURE_CMP_LEGACY))
+                goto out;
 
         smp_num_siblings = (ebx & 0xff0000) >> 16;
 
@@ -1000,10 +926,7 @@ static void __cpuinit detect_ht(struct cpuinfo_x86 *c)
                 }
 
                 index_msb = get_count_order(smp_num_siblings);
-                phys_proc_id[cpu] = phys_pkg_id(index_msb);
-
-                printk(KERN_INFO  "CPU: Physical Processor ID: %d\n",
-                       phys_proc_id[cpu]);
+                c->phys_proc_id = phys_pkg_id(index_msb);
 
                 smp_num_siblings = smp_num_siblings / c->x86_max_cores;
 
@@ -1011,13 +934,15 @@ static void __cpuinit detect_ht(struct cpuinfo_x86 *c)
 
                 core_bits = get_count_order(c->x86_max_cores);
 
-                cpu_core_id[cpu] = phys_pkg_id(index_msb) &
+                c->cpu_core_id = phys_pkg_id(index_msb) &
                                                ((1 << core_bits) - 1);
-
-                if (c->x86_max_cores > 1)
-                        printk(KERN_INFO  "CPU: Processor Core ID: %d\n",
-                               cpu_core_id[cpu]);
         }
+out:
+        if ((c->x86_max_cores * smp_num_siblings) > 1) {
+                printk(KERN_INFO  "CPU: Physical Processor ID: %d\n", c->phys_proc_id);
+                printk(KERN_INFO  "CPU: Processor Core ID: %d\n", c->cpu_core_id);
+        }
+
 #endif
 }
 
@@ -1026,15 +951,12 @@ static void __cpuinit detect_ht(struct cpuinfo_x86 *c)
  */
 static int __cpuinit intel_num_cpu_cores(struct cpuinfo_x86 *c)
 {
-        unsigned int eax;
+        unsigned int eax, t;
 
         if (c->cpuid_level < 4)
                 return 1;
 
-        __asm__("cpuid"
-                : "=a" (eax)
-                : "0" (4), "c" (0)
-                : "bx", "dx");
+        cpuid_count(4, 0, &eax, &t, &t, &t);
 
         if (eax & 0x1f)
                 return ((eax >> 26) + 1);
@@ -1047,16 +969,17 @@ static void srat_detect_node(void)
 #ifdef CONFIG_NUMA
         unsigned node;
         int cpu = smp_processor_id();
+        int apicid = hard_smp_processor_id();
 
         /* Don't do the funky fallback heuristics the AMD version employs
            for now. */
-        node = apicid_to_node[hard_smp_processor_id()];
+        node = apicid_to_node[apicid];
         if (node == NUMA_NO_NODE)
                 node = first_node(node_online_map);
         numa_set_node(cpu, node);
 
         if (acpi_numa > 0)
-                printk(KERN_INFO "CPU %d -> Node %d\n", cpu, node);
+                printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
 #endif
 }
 
@@ -1066,6 +989,13 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
         unsigned n;
 
         init_intel_cacheinfo(c);
+        if (c->cpuid_level > 9 ) {
+                unsigned eax = cpuid_eax(10);
+                /* Check for version and the number of counters */
+                if ((eax & 0xff) && (((eax>>8) & 0xff) > 1))
+                        set_bit(X86_FEATURE_ARCH_PERFMON, &c->x86_capability);
+        }
+
         n = c->extended_cpuid_level;
         if (n >= 0x80000008) {
                 unsigned eax = cpuid_eax(0x80000008);
@@ -1157,7 +1087,7 @@ void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c)
         }
 
 #ifdef CONFIG_SMP
-        phys_proc_id[smp_processor_id()] = (cpuid_ebx(1) >> 24) & 0xff;
+        c->phys_proc_id = (cpuid_ebx(1) >> 24) & 0xff;
 #endif
 }
 
@@ -1284,7 +1214,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
                 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
                 NULL, NULL, NULL, "syscall", NULL, NULL, NULL, NULL,
                 NULL, NULL, NULL, NULL, "nx", NULL, "mmxext", NULL,
-                NULL, "fxsr_opt", "rdtscp", NULL, NULL, "lm", "3dnowext", "3dnow",
+                NULL, "fxsr_opt", NULL, "rdtscp", NULL, "lm", "3dnowext", "3dnow",
 
                 /* Transmeta-defined */
                 "recovery", "longrun", NULL, "lrti", NULL, NULL, NULL, NULL,
@@ -1295,7 +1225,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
                 /* Other (Linux-defined) */
                 "cxmmx", NULL, "cyrix_arr", "centaur_mcr", NULL,
                 "constant_tsc", NULL, NULL,
-                NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+                "up", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
                 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
                 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 
@@ -1365,9 +1295,9 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 #ifdef CONFIG_SMP
         if (smp_num_siblings * c->x86_max_cores > 1) {
                 int cpu = c - cpu_data;
-                seq_printf(m, "physical id\t: %d\n", phys_proc_id[cpu]);
+                seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
                 seq_printf(m, "siblings\t: %d\n", cpus_weight(cpu_core_map[cpu]));
-                seq_printf(m, "core id\t\t: %d\n", cpu_core_id[cpu]);
+                seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
                 seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
         }
 #endif  
@@ -1441,7 +1371,7 @@ struct seq_operations cpuinfo_op = {
         .show = show_cpuinfo,
 };
 
-#ifdef CONFIG_INPUT_PCSPKR
+#if defined(CONFIG_INPUT_PCSPKR) || defined(CONFIG_INPUT_PCSPKR_MODULE)
 #include <linux/platform_device.h>
 static __init int add_pcspkr(void)
 {