[PATCH] vm86: Honor TF bit when emulating an instruction

[linux-2.6] / arch / i386 / kernel / setup.c

diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 7306353c520ec6dc4c74a6cac328f8b5ba446d64..9adbf710ec8deb648ee72314c514296e25fc6566 100644 (file)
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -370,12 +370,16 @@ static void __init limit_regions(unsigned long long size)
        int i;
 
        if (efi_enabled) {
-               for (i = 0; i < memmap.nr_map; i++) {
-                       current_addr = memmap.map[i].phys_addr +
-                                      (memmap.map[i].num_pages << 12);
-                       if (memmap.map[i].type == EFI_CONVENTIONAL_MEMORY) {
+               efi_memory_desc_t *md;
+               void *p;
+
+               for (p = memmap.map, i = 0; p < memmap.map_end;
+                       p += memmap.desc_size, i++) {
+                       md = p;
+                       current_addr = md->phys_addr + (md->num_pages << 12);
+                       if (md->type == EFI_CONVENTIONAL_MEMORY) {
                                if (current_addr >= size) {
-                                       memmap.map[i].num_pages -=
+                                       md->num_pages -=
                                                (((current_addr-size) + PAGE_SIZE-1) >> PAGE_SHIFT);
                                        memmap.nr_map = i + 1;
                                        return;
@@ -1414,7 +1418,7 @@ static struct nop {
    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". */ 
+   Tough. Make sure you disable such features by hand. */ 
 void apply_alternatives(void *start, void *end) 
 { 
        struct alt_instr *a; 
@@ -1442,24 +1446,12 @@ void apply_alternatives(void *start, void *end)
        }
 } 
 
-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 0; 
-} 
-
-__setup("noreplacement", noreplacement_setup); 
-
 static char * __init machine_specific_memory_setup(void);
 
 #ifdef CONFIG_MCA