Merge ../linus

[pandora-kernel.git] / arch / i386 / kernel / efi.c

diff --git a/arch/i386/kernel/efi.c b/arch/i386/kernel/efi.c
index e3e42fd..8beb0f0 100644 (file)
--- a/arch/i386/kernel/efi.c
+++ b/arch/i386/kernel/efi.c
@@ -70,10 +70,13 @@ static void efi_call_phys_prelog(void)
 {
        unsigned long cr4;
        unsigned long temp;
+       struct Xgt_desc_struct *cpu_gdt_descr;
 
        spin_lock(&efi_rt_lock);
        local_irq_save(efi_rt_eflags);
 
+       cpu_gdt_descr = &per_cpu(cpu_gdt_descr, 0);
+
        /*
         * If I don't have PSE, I should just duplicate two entries in page
         * directory. If I have PSE, I just need to duplicate one entry in
@@ -103,18 +106,17 @@ static void efi_call_phys_prelog(void)
         */
        local_flush_tlb();
 
-       per_cpu(cpu_gdt_descr, 0).address =
-                                __pa(per_cpu(cpu_gdt_descr, 0).address);
-       load_gdt((struct Xgt_desc_struct *)__pa(&per_cpu(cpu_gdt_descr, 0)));
+       cpu_gdt_descr->address = __pa(cpu_gdt_descr->address);
+       load_gdt(cpu_gdt_descr);
 }
 
 static void efi_call_phys_epilog(void)
 {
        unsigned long cr4;
+       struct Xgt_desc_struct *cpu_gdt_descr = &per_cpu(cpu_gdt_descr, 0);
 
-       per_cpu(cpu_gdt_descr, 0).address =
-                       (unsigned long)__va(per_cpu(cpu_gdt_descr, 0).address);
-       load_gdt((struct Xgt_desc_struct *)__va(&per_cpu(cpu_gdt_descr, 0)));
+       cpu_gdt_descr->address = (unsigned long)__va(cpu_gdt_descr->address);
+       load_gdt(cpu_gdt_descr);
 
        cr4 = read_cr4();
 
@@ -359,7 +361,7 @@ void __init efi_init(void)
         */
        c16 = (efi_char16_t *) boot_ioremap(efi.systab->fw_vendor, 2);
        if (c16) {
-               for (i = 0; i < sizeof(vendor) && *c16; ++i)
+               for (i = 0; i < (sizeof(vendor) - 1) && *c16; ++i)
                        vendor[i] = *c16++;
                vendor[i] = '\0';
        } else
@@ -379,29 +381,38 @@ void __init efi_init(void)
        if (config_tables == NULL)
                printk(KERN_ERR PFX "Could not map EFI Configuration Table!\n");
 
+       efi.mps        = EFI_INVALID_TABLE_ADDR;
+       efi.acpi       = EFI_INVALID_TABLE_ADDR;
+       efi.acpi20     = EFI_INVALID_TABLE_ADDR;
+       efi.smbios     = EFI_INVALID_TABLE_ADDR;
+       efi.sal_systab = EFI_INVALID_TABLE_ADDR;
+       efi.boot_info  = EFI_INVALID_TABLE_ADDR;
+       efi.hcdp       = EFI_INVALID_TABLE_ADDR;
+       efi.uga        = EFI_INVALID_TABLE_ADDR;
+
        for (i = 0; i < num_config_tables; i++) {
                if (efi_guidcmp(config_tables[i].guid, MPS_TABLE_GUID) == 0) {
-                       efi.mps = (void *)config_tables[i].table;
+                       efi.mps = config_tables[i].table;
                        printk(KERN_INFO " MPS=0x%lx ", config_tables[i].table);
                } else
                    if (efi_guidcmp(config_tables[i].guid, ACPI_20_TABLE_GUID) == 0) {
-                       efi.acpi20 = __va(config_tables[i].table);
+                       efi.acpi20 = config_tables[i].table;
                        printk(KERN_INFO " ACPI 2.0=0x%lx ", config_tables[i].table);
                } else
                    if (efi_guidcmp(config_tables[i].guid, ACPI_TABLE_GUID) == 0) {
-                       efi.acpi = __va(config_tables[i].table);
+                       efi.acpi = config_tables[i].table;
                        printk(KERN_INFO " ACPI=0x%lx ", config_tables[i].table);
                } else
                    if (efi_guidcmp(config_tables[i].guid, SMBIOS_TABLE_GUID) == 0) {
-                       efi.smbios = (void *) config_tables[i].table;
+                       efi.smbios = config_tables[i].table;
                        printk(KERN_INFO " SMBIOS=0x%lx ", config_tables[i].table);
                } else
                    if (efi_guidcmp(config_tables[i].guid, HCDP_TABLE_GUID) == 0) {
-                       efi.hcdp = (void *)config_tables[i].table;
+                       efi.hcdp = config_tables[i].table;
                        printk(KERN_INFO " HCDP=0x%lx ", config_tables[i].table);
                } else
                    if (efi_guidcmp(config_tables[i].guid, UGA_IO_PROTOCOL_GUID) == 0) {
-                       efi.uga = (void *)config_tables[i].table;
+                       efi.uga = config_tables[i].table;
                        printk(KERN_INFO " UGA=0x%lx ", config_tables[i].table);
                }
        }
@@ -541,7 +552,7 @@ efi_initialize_iomem_resources(struct resource *code_resource,
                if ((md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT)) >
                    0x100000000ULL)
                        continue;
-               res = alloc_bootmem_low(sizeof(struct resource));
+               res = kzalloc(sizeof(struct resource), GFP_ATOMIC);
                switch (md->type) {
                case EFI_RESERVED_TYPE:
                        res->name = "Reserved Memory";
@@ -590,8 +601,10 @@ efi_initialize_iomem_resources(struct resource *code_resource,
                res->end = res->start + ((md->num_pages << EFI_PAGE_SHIFT) - 1);
                res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
                if (request_resource(&iomem_resource, res) < 0)
-                       printk(KERN_ERR PFX "Failed to allocate res %s : 0x%lx-0x%lx\n",
-                               res->name, res->start, res->end);
+                       printk(KERN_ERR PFX "Failed to allocate res %s : "
+                               "0x%llx-0x%llx\n", res->name,
+                               (unsigned long long)res->start,
+                               (unsigned long long)res->end);
                /*
                 * We don't know which region contains kernel data so we try
                 * it repeatedly and let the resource manager test it.