1 files changed, 58 insertions, 65 deletions

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index e09f0e2c14b5..f7b8b9894b22 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -73,6 +73,7 @@
 
 #include <asm/mtrr.h>
 #include <asm/apic.h>
+#include <asm/trampoline.h>
 #include <asm/e820.h>
 #include <asm/mpspec.h>
 #include <asm/setup.h>
@@ -106,9 +107,11 @@
 #include <asm/percpu.h>
 #include <asm/topology.h>
 #include <asm/apicdef.h>
+#include <asm/k8.h>
 #ifdef CONFIG_X86_64
 #include <asm/numa_64.h>
 #endif
+#include <asm/mce.h>
 
 /*
  * end_pfn only includes RAM, while max_pfn_mapped includes all e820 entries.
@@ -247,7 +250,7 @@ EXPORT_SYMBOL(edd);
  *              from boot_params into a safe place.
  *
  */
-static inline void copy_edd(void)
+static inline void __init copy_edd(void)
 {
      memcpy(edd.mbr_signature, boot_params.edd_mbr_sig_buffer,
             sizeof(edd.mbr_signature));
@@ -256,7 +259,7 @@ static inline void copy_edd(void)
      edd.edd_info_nr = boot_params.eddbuf_entries;
 }
 #else
-static inline void copy_edd(void)
+static inline void __init copy_edd(void)
 {
 }
 #endif
@@ -486,42 +489,11 @@ static void __init reserve_early_setup_data(void)
 
 #ifdef CONFIG_KEXEC
 
-/**
- * Reserve @size bytes of crashkernel memory at any suitable offset.
- *
- * @size: Size of the crashkernel memory to reserve.
- * Returns the base address on success, and -1ULL on failure.
- */
-static
-unsigned long long __init find_and_reserve_crashkernel(unsigned long long size)
-{
-        const unsigned long long alignment = 16<<20;    /* 16M */
-        unsigned long long start = 0LL;
-
-        while (1) {
-                int ret;
-
-                start = find_e820_area(start, ULONG_MAX, size, alignment);
-                if (start == -1ULL)
-                        return start;
-
-                /* try to reserve it */
-                ret = reserve_bootmem_generic(start, size, BOOTMEM_EXCLUSIVE);
-                if (ret >= 0)
-                        return start;
-
-                start += alignment;
-        }
-}
-
 static inline unsigned long long get_total_mem(void)
 {
         unsigned long long total;
 
-        total = max_low_pfn - min_low_pfn;
-#ifdef CONFIG_HIGHMEM
-        total += highend_pfn - highstart_pfn;
-#endif
+        total = max_pfn - min_low_pfn;
 
         return total << PAGE_SHIFT;
 }
@@ -541,21 +513,25 @@ static void __init reserve_crashkernel(void)
 
         /* 0 means: find the address automatically */
         if (crash_base <= 0) {
-                crash_base = find_and_reserve_crashkernel(crash_size);
+                const unsigned long long alignment = 16<<20;    /* 16M */
+
+                crash_base = find_e820_area(alignment, ULONG_MAX, crash_size,
+                                 alignment);
                 if (crash_base == -1ULL) {
-                        pr_info("crashkernel reservation failed. "
-                                "No suitable area found.\n");
+                        pr_info("crashkernel reservation failed - No suitable area found.\n");
                         return;
                 }
         } else {
-                ret = reserve_bootmem_generic(crash_base, crash_size,
-                                        BOOTMEM_EXCLUSIVE);
-                if (ret < 0) {
-                        pr_info("crashkernel reservation failed - "
-                                "memory is in use\n");
+                unsigned long long start;
+
+                start = find_e820_area(crash_base, ULONG_MAX, crash_size,
+                                 1<<20);
+                if (start != crash_base) {
+                        pr_info("crashkernel reservation failed - memory is in use.\n");
                         return;
                 }
         }
+        reserve_early(crash_base, crash_base + crash_size, "CRASH KERNEL");
 
         printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
                         "for crashkernel (System RAM: %ldMB)\n",
@@ -660,6 +636,13 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = {
                 },
         },
         {
+                .callback = dmi_low_memory_corruption,
+                .ident = "Phoenix/MSC BIOS",
+                .matches = {
+                        DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix/MSC"),
+                },
+        },
+        {
         /*
          * AMI BIOS with low memory corruption was found on Intel DG45ID board.
          * It hase different DMI_BIOS_VENDOR = "Intel Corp.", for now we will
@@ -691,6 +674,9 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = {
 
 void __init setup_arch(char **cmdline_p)
 {
+        int acpi = 0;
+        int k8 = 0;
+
 #ifdef CONFIG_X86_32
         memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
         visws_early_detect();
@@ -783,21 +769,18 @@ void __init setup_arch(char **cmdline_p)
         strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
         *cmdline_p = command_line;
 
-#ifdef CONFIG_X86_64
         /*
-         * Must call this twice: Once just to detect whether hardware doesn't
-         * support NX (so that the early EHCI debug console setup can safely
-         * call set_fixmap(), and then again after parsing early parameters to
-         * honor the respective command line option.
+         * x86_configure_nx() is called before parse_early_param() to detect
+         * whether hardware doesn't support NX (so that the early EHCI debug
+         * console setup can safely call set_fixmap()). It may then be called
+         * again from within noexec_setup() during parsing early parameters
+         * to honor the respective command line option.
          */
-        check_efer();
-#endif
+        x86_configure_nx();
 
         parse_early_param();
 
-#ifdef CONFIG_X86_64
-        check_efer();
-#endif
+        x86_report_nx();
 
         /* Must be before kernel pagetables are setup */
         vmi_activate();
@@ -893,6 +876,20 @@ void __init setup_arch(char **cmdline_p)
 
         reserve_brk();
 
+        /*
+         * Find and reserve possible boot-time SMP configuration:
+         */
+        find_smp_config();
+
+        reserve_trampoline_memory();
+
+#ifdef CONFIG_ACPI_SLEEP
+        /*
+         * Reserve low memory region for sleep support.
+         * even before init_memory_mapping
+         */
+        acpi_reserve_wakeup_memory();
+#endif
         init_gbpages();
 
         /* max_pfn_mapped is updated here */
@@ -919,6 +916,8 @@ void __init setup_arch(char **cmdline_p)
 
         reserve_initrd();
 
+        reserve_crashkernel();
+
         vsmp_init();
 
         io_delay_init();
@@ -934,23 +933,15 @@ void __init setup_arch(char **cmdline_p)
         /*
          * Parse SRAT to discover nodes.
          */
-        acpi_numa_init();
+        acpi = acpi_numa_init();
 #endif
 
-        initmem_init(0, max_pfn);
-
-#ifdef CONFIG_ACPI_SLEEP
-        /*
-         * Reserve low memory region for sleep support.
-         */
-        acpi_reserve_bootmem();
+#ifdef CONFIG_K8_NUMA
+        if (!acpi)
+                k8 = !k8_numa_init(0, max_pfn);
 #endif
-        /*
-         * Find and reserve possible boot-time SMP configuration:
-         */
-        find_smp_config();
 
-        reserve_crashkernel();
+        initmem_init(0, max_pfn, acpi, k8);
 
 #ifdef CONFIG_X86_64
         /*
@@ -1024,6 +1015,8 @@ void __init setup_arch(char **cmdline_p)
 #endif
 #endif
         x86_init.oem.banner();
+
+        mcheck_init();
 }
 
 #ifdef CONFIG_X86_32