提交 affe6637 编写于 作者: J Joe Perches 提交者: Ingo Molnar

include/asm-x86/i387.h: checkpatch cleanups - formatting only

Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 e574b023
......@@ -41,7 +41,7 @@ static inline void tolerant_fwait(void)
{
asm volatile("1: fwait\n"
"2:\n"
_ASM_EXTABLE(1b,2b));
_ASM_EXTABLE(1b, 2b));
}
static inline int restore_fpu_checking(struct i387_fxsave_struct *fx)
......@@ -54,7 +54,7 @@ static inline int restore_fpu_checking(struct i387_fxsave_struct *fx)
"3: movl $-1,%[err]\n"
" jmp 2b\n"
".previous\n"
_ASM_EXTABLE(1b,3b)
_ASM_EXTABLE(1b, 3b)
: [err] "=r" (err)
#if 0 /* See comment in __save_init_fpu() below. */
: [fx] "r" (fx), "m" (*fx), "0" (0));
......@@ -76,11 +76,11 @@ static inline int restore_fpu_checking(struct i387_fxsave_struct *fx)
static inline void clear_fpu_state(struct i387_fxsave_struct *fx)
{
if (unlikely(fx->swd & X87_FSW_ES))
asm volatile("fnclex");
asm volatile("fnclex");
alternative_input(ASM_NOP8 ASM_NOP2,
" emms\n" /* clear stack tags */
" fildl %%gs:0", /* load to clear state */
X86_FEATURE_FXSAVE_LEAK);
" emms\n" /* clear stack tags */
" fildl %%gs:0", /* load to clear state */
X86_FEATURE_FXSAVE_LEAK);
}
static inline int save_i387_checking(struct i387_fxsave_struct __user *fx)
......@@ -93,14 +93,15 @@ static inline int save_i387_checking(struct i387_fxsave_struct __user *fx)
"3: movl $-1,%[err]\n"
" jmp 2b\n"
".previous\n"
_ASM_EXTABLE(1b,3b)
_ASM_EXTABLE(1b, 3b)
: [err] "=r" (err), "=m" (*fx)
#if 0 /* See comment in __fxsave_clear() below. */
: [fx] "r" (fx), "0" (0));
#else
: [fx] "cdaSDb" (fx), "0" (0));
#endif
if (unlikely(err) && __clear_user(fx, sizeof(struct i387_fxsave_struct)))
if (unlikely(err) &&
__clear_user(fx, sizeof(struct i387_fxsave_struct)))
err = -EFAULT;
/* No need to clear here because the caller clears USED_MATH */
return err;
......@@ -156,8 +157,10 @@ static inline int save_i387(struct _fpstate __user *buf)
return 0;
clear_used_math(); /* trigger finit */
if (task_thread_info(tsk)->status & TS_USEDFPU) {
err = save_i387_checking((struct i387_fxsave_struct __user *)buf);
if (err) return err;
err = save_i387_checking((struct i387_fxsave_struct __user *)
buf);
if (err)
return err;
task_thread_info(tsk)->status &= ~TS_USEDFPU;
stts();
} else {
......
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