AMD IOMMU: add device detach function for IOMMU API

[safe/jmp/linux-2.6] / arch / x86 / kernel / efi_32.c

diff --git a/arch/x86/kernel/efi_32.c b/arch/x86/kernel/efi_32.c
index 114b896..5cab48e 100644 (file)
--- a/arch/x86/kernel/efi_32.c
+++ b/arch/x86/kernel/efi_32.c
@@ -28,6 +28,7 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
+#include <asm/efi.h>
 
 /*
  * To make EFI call EFI runtime service in physical addressing mode we need
@@ -48,13 +49,13 @@ void efi_call_phys_prelog(void)
        local_irq_save(efi_rt_eflags);
 
        /*
-        * 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
+        * If I don't have PAE, I should just duplicate two entries in page
+        * directory. If I have PAE, I just need to duplicate one entry in
         * page directory.
         */
-       cr4 = read_cr4();
+       cr4 = read_cr4_safe();
 
-       if (cr4 & X86_CR4_PSE) {
+       if (cr4 & X86_CR4_PAE) {
                efi_bak_pg_dir_pointer[0].pgd =
                    swapper_pg_dir[pgd_index(0)].pgd;
                swapper_pg_dir[0].pgd =
@@ -90,9 +91,9 @@ void efi_call_phys_epilog(void)
        gdt_descr.size = GDT_SIZE - 1;
        load_gdt(&gdt_descr);
 
-       cr4 = read_cr4();
+       cr4 = read_cr4_safe();
 
-       if (cr4 & X86_CR4_PSE) {
+       if (cr4 & X86_CR4_PAE) {
                swapper_pg_dir[pgd_index(0)].pgd =
                    efi_bak_pg_dir_pointer[0].pgd;
        } else {
@@ -109,18 +110,3 @@ void efi_call_phys_epilog(void)
 
        local_irq_restore(efi_rt_eflags);
 }
-
-/*
- * We need to map the EFI memory map again after paging_init().
- */
-void __init efi_map_memmap(void)
-{
-       memmap.map = NULL;
-
-       memmap.map = early_ioremap((unsigned long) memmap.phys_map,
-                       (memmap.nr_map * memmap.desc_size));
-       if (memmap.map == NULL)
-               printk(KERN_ERR "Could not remap the EFI memmap!\n");
-
-       memmap.map_end = memmap.map + (memmap.nr_map * memmap.desc_size);
-}