diff options
| -rw-r--r-- | arch/x86/kernel/i387.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index ac47278cde71..66f1053ae2cd 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -119,9 +119,13 @@ EXPORT_SYMBOL(__kernel_fpu_end); /* * Save the FPU state (initialize it if necessary): + * + * This only ever gets called for the current task. */ void fpu__save(struct task_struct *tsk) { + WARN_ON(tsk != current); + preempt_disable(); if (__thread_has_fpu(tsk)) { if (use_eager_fpu()) { |