diff options
Diffstat (limited to 'include/asm-x86/system.h')
| -rw-r--r-- | include/asm-x86/system.h | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/include/asm-x86/system.h b/include/asm-x86/system.h index ee32ef9367f..9cff02ffe6c 100644 --- a/include/asm-x86/system.h +++ b/include/asm-x86/system.h @@ -20,8 +20,8 @@ #ifdef CONFIG_X86_32 struct task_struct; /* one of the stranger aspects of C forward declarations */ -extern struct task_struct *FASTCALL(__switch_to(struct task_struct *prev, - struct task_struct *next)); +struct task_struct *__switch_to(struct task_struct *prev, + struct task_struct *next); /* * Saving eflags is important. It switches not only IOPL between tasks, @@ -130,10 +130,7 @@ extern void load_gs_index(unsigned); "movl %k1, %%" #seg "\n\t" \ "jmp 2b\n" \ ".previous\n" \ - ".section __ex_table,\"a\"\n\t" \ - _ASM_ALIGN "\n\t" \ - _ASM_PTR " 1b,3b\n" \ - ".previous" \ + _ASM_EXTABLE(1b,3b) \ : :"r" (value), "r" (0)) @@ -214,12 +211,10 @@ static inline unsigned long native_read_cr4_safe(void) /* This could fault if %cr4 does not exist. In x86_64, a cr4 always * exists, so it will never fail. */ #ifdef CONFIG_X86_32 - asm volatile("1: mov %%cr4, %0 \n" - "2: \n" - ".section __ex_table,\"a\" \n" - ".long 1b,2b \n" - ".previous \n" - : "=r" (val), "=m" (__force_order) : "0" (0)); + asm volatile("1: mov %%cr4, %0\n" + "2:\n" + _ASM_EXTABLE(1b,2b) + : "=r" (val), "=m" (__force_order) : "0" (0)); #else val = native_read_cr4(); #endif @@ -276,9 +271,9 @@ static inline void native_wbinvd(void) #endif /* __KERNEL__ */ -static inline void clflush(void *__p) +static inline void clflush(volatile void *__p) { - asm volatile("clflush %0" : "+m" (*(char __force *)__p)); + asm volatile("clflush %0" : "+m" (*(volatile char __force *)__p)); } #define nop() __asm__ __volatile__ ("nop") |