diff options
| -rw-r--r-- | arch/x86/include/asm/system.h | 15 | 
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h index 1a953e26401c..537395a2877a 100644 --- a/arch/x86/include/asm/system.h +++ b/arch/x86/include/asm/system.h  | |||
| @@ -156,18 +156,19 @@ extern void native_load_gs_index(unsigned); | |||
| 156 | * segment if something goes wrong.. | 156 | * segment if something goes wrong.. | 
| 157 | */ | 157 | */ | 
| 158 | #define loadsegment(seg, value) \ | 158 | #define loadsegment(seg, value) \ | 
| 159 | do { \ | ||
| 160 | unsigned short __val = value; \ | ||
| 159 | asm volatile("\n" \ | 161 | asm volatile("\n" \ | 
| 160 | "1:\t" \ | 162 | "1:\t" \ | 
| 161 | "movl %k0,%%" #seg "\n" \ | 163 | "movl %k0,%%" #seg "\n" \ | 
| 162 | "2:\n" \ | ||
| 163 | ".section .fixup,\"ax\"\n" \ | 164 | ".section .fixup,\"ax\"\n" \ | 
| 164 | "3:\t" \ | 165 | "2:\t" \ | 
| 165 | "movl %k1, %%" #seg "\n\t" \ | 166 | "xorl %k0,%k0\n\t" \ | 
| 166 | "jmp 2b\n" \ | 167 | "jmp 1b\n" \ | 
| 167 | ".previous\n" \ | 168 | ".previous\n" \ | 
| 168 | _ASM_EXTABLE(1b,3b) \ | 169 | _ASM_EXTABLE(1b, 2b) \ | 
| 169 | : :"r" (value), "r" (0) : "memory") | 170 | : "+r" (__val) : : "memory"); \ | 
| 170 | 171 | } while (0) | |
| 171 | 172 | ||
| 172 | /* | 173 | /* | 
| 173 | * Save a segment register away | 174 | * Save a segment register away | 
