diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-26 13:07:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-26 13:07:55 -0700 |
| commit | b278240839e20fa9384ea430df463b367b90e04e (patch) | |
| tree | f99f0c8cdd4cc7f177cd75440e6bd181cded7fb3 /include/asm-x86_64/i387.h | |
| parent | dd77a4ee0f3981693d4229aa1d57cea9e526ff47 (diff) | |
| parent | 3f75f42d7733e73aca5c78326489efd4189e0111 (diff) | |
Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (225 commits)
[PATCH] Don't set calgary iommu as default y
[PATCH] i386/x86-64: New Intel feature flags
[PATCH] x86: Add a cumulative thermal throttle event counter.
[PATCH] i386: Make the jiffies compares use the 64bit safe macros.
[PATCH] x86: Refactor thermal throttle processing
[PATCH] Add 64bit jiffies compares (for use with get_jiffies_64)
[PATCH] Fix unwinder warning in traps.c
[PATCH] x86: Allow disabling early pci scans with pci=noearly or disallowing conf1
[PATCH] x86: Move direct PCI scanning functions out of line
[PATCH] i386/x86-64: Make all early PCI scans dependent on CONFIG_PCI
[PATCH] Don't leak NT bit into next task
[PATCH] i386/x86-64: Work around gcc bug with noreturn functions in unwinder
[PATCH] Fix some broken white space in ia32_signal.c
[PATCH] Initialize argument registers for 32bit signal handlers.
[PATCH] Remove all traces of signal number conversion
[PATCH] Don't synchronize time reading on single core AMD systems
[PATCH] Remove outdated comment in x86-64 mmconfig code
[PATCH] Use string instructions for Core2 copy/clear
[PATCH] x86: - restore i8259A eoi status on resume
[PATCH] i386: Split multi-line printk in oops output.
...
Diffstat (limited to 'include/asm-x86_64/i387.h')
| -rw-r--r-- | include/asm-x86_64/i387.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/include/asm-x86_64/i387.h b/include/asm-x86_64/i387.h index cba8a3b0cded..0217b74cc9fc 100644 --- a/include/asm-x86_64/i387.h +++ b/include/asm-x86_64/i387.h @@ -24,6 +24,7 @@ extern unsigned int mxcsr_feature_mask; extern void mxcsr_feature_mask_init(void); extern void init_fpu(struct task_struct *child); extern int save_i387(struct _fpstate __user *buf); +extern asmlinkage void math_state_restore(void); /* * FPU lazy state save handling... @@ -31,7 +32,9 @@ extern int save_i387(struct _fpstate __user *buf); #define unlazy_fpu(tsk) do { \ if (task_thread_info(tsk)->status & TS_USEDFPU) \ - save_init_fpu(tsk); \ + save_init_fpu(tsk); \ + else \ + tsk->fpu_counter = 0; \ } while (0) /* Ignore delayed exceptions from user space */ @@ -134,8 +137,8 @@ static inline int save_i387_checking(struct i387_fxsave_struct __user *fx) #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; } |