[PATCH] Revert nmi_known_cpu() check during boot option parsing

[powerpc.git] / arch / x86_64 / kernel / setup.c

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 4be2983..af425a8 100644 (file)
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -123,9 +123,6 @@ struct resource standard_io_resources[] = {
                .flags = IORESOURCE_BUSY | IORESOURCE_IO }
 };
 
-#define STANDARD_IO_RESOURCES \
-       (sizeof standard_io_resources / sizeof standard_io_resources[0])
-
 #define IORESOURCE_RAM (IORESOURCE_BUSY | IORESOURCE_MEM)
 
 struct resource data_resource = {
@@ -172,9 +169,6 @@ static struct resource adapter_rom_resources[] = {
                .flags = IORESOURCE_ROM }
 };
 
-#define ADAPTER_ROM_RESOURCES \
-       (sizeof adapter_rom_resources / sizeof adapter_rom_resources[0])
-
 static struct resource video_rom_resource = {
        .name = "Video ROM",
        .start = 0xc0000,
@@ -245,7 +239,8 @@ static void __init probe_roms(void)
        }
 
        /* check for adapter roms on 2k boundaries */
-       for (i = 0; i < ADAPTER_ROM_RESOURCES && start < upper; start += 2048) {
+       for (i = 0; i < ARRAY_SIZE(adapter_rom_resources) && start < upper;
+            start += 2048) {
                rom = isa_bus_to_virt(start);
                if (!romsignature(rom))
                        continue;
@@ -292,7 +287,8 @@ contig_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
        if (bootmap == -1L)
                panic("Cannot find bootmem map of size %ld\n",bootmap_size);
        bootmap_size = init_bootmem(bootmap >> PAGE_SHIFT, end_pfn);
-       e820_bootmem_free(NODE_DATA(0), 0, end_pfn << PAGE_SHIFT);
+       e820_register_active_regions(0, start_pfn, end_pfn);
+       free_bootmem_with_active_regions(0, end_pfn);
        reserve_bootmem(bootmap, bootmap_size);
 } 
 #endif
@@ -384,6 +380,7 @@ void __init setup_arch(char **cmdline_p)
 
        finish_e820_parsing();
 
+       e820_register_active_regions(0, 0, -1UL);
        /*
         * partially used pages are not usable - thus
         * we are rounding upwards:
@@ -414,6 +411,9 @@ void __init setup_arch(char **cmdline_p)
        max_pfn = end_pfn;
        high_memory = (void *)__va(end_pfn * PAGE_SIZE - 1) + 1;
 
+       /* Remove active ranges so rediscovery with NUMA-awareness happens */
+       remove_all_active_ranges();
+
 #ifdef CONFIG_ACPI_NUMA
        /*
         * Parse SRAT to discover nodes.
@@ -471,8 +471,7 @@ void __init setup_arch(char **cmdline_p)
        if (LOADER_TYPE && INITRD_START) {
                if (INITRD_START + INITRD_SIZE <= (end_pfn << PAGE_SHIFT)) {
                        reserve_bootmem_generic(INITRD_START, INITRD_SIZE);
-                       initrd_start =
-                               INITRD_START ? INITRD_START + PAGE_OFFSET : 0;
+                       initrd_start = INITRD_START + PAGE_OFFSET;
                        initrd_end = initrd_start+INITRD_SIZE;
                }
                else {
@@ -493,7 +492,9 @@ void __init setup_arch(char **cmdline_p)
 
        paging_init();
 
+#ifdef CONFIG_PCI
        early_quirks();
+#endif
 
        /*
         * set this early, so we dont allocate cpu0
@@ -523,13 +524,14 @@ void __init setup_arch(char **cmdline_p)
         */
        probe_roms();
        e820_reserve_resources(); 
+       e820_mark_nosave_regions();
 
        request_resource(&iomem_resource, &video_ram_resource);
 
        {
        unsigned i;
        /* request I/O space for devices used on all i[345]86 PCs */
-       for (i = 0; i < STANDARD_IO_RESOURCES; i++)
+       for (i = 0; i < ARRAY_SIZE(standard_io_resources); i++)
                request_resource(&ioport_resource, &standard_io_resources[i]);
        }
 
@@ -672,7 +674,7 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
 #endif
 }
 
-static void __init init_amd(struct cpuinfo_x86 *c)
+static void __cpuinit init_amd(struct cpuinfo_x86 *c)
 {
        unsigned level;
 
@@ -728,6 +730,9 @@ static void __init init_amd(struct cpuinfo_x86 *c)
 
        /* Fix cpuid4 emulation for more */
        num_cache_leaves = 3;
+
+       /* RDTSC can be speculated around */
+       clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
 }
 
 static void __cpuinit detect_ht(struct cpuinfo_x86 *c)
@@ -826,6 +831,15 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
                        set_bit(X86_FEATURE_ARCH_PERFMON, &c->x86_capability);
        }
 
+       if (cpu_has_ds) {
+               unsigned int l1, l2;
+               rdmsr(MSR_IA32_MISC_ENABLE, l1, l2);
+               if (!(l1 & (1<<11)))
+                       set_bit(X86_FEATURE_BTS, c->x86_capability);
+               if (!(l1 & (1<<12)))
+                       set_bit(X86_FEATURE_PEBS, c->x86_capability);
+       }
+
        n = c->extended_cpuid_level;
        if (n >= 0x80000008) {
                unsigned eax = cpuid_eax(0x80000008);
@@ -843,7 +857,12 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
        if ((c->x86 == 0xf && c->x86_model >= 0x03) ||
            (c->x86 == 0x6 && c->x86_model >= 0x0e))
                set_bit(X86_FEATURE_CONSTANT_TSC, &c->x86_capability);
-       set_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
+       if (c->x86 == 6)
+               set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability);
+       if (c->x86 == 15)
+               set_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
+       else
+               clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
        c->x86_max_cores = intel_num_cpu_cores(c);
 
        srat_detect_node();
@@ -1061,8 +1080,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 
                /* Intel-defined (#2) */
                "pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est",
-               "tm2", NULL, "cid", NULL, NULL, "cx16", "xtpr", NULL,
-               NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+               "tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL,
+               NULL, NULL, "dca", NULL, NULL, NULL, NULL, NULL,
                NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 
                /* VIA/Cyrix/Centaur-defined */