On Fri, Sep 27, 2013 at 09:04:41AM +0100, Jiang Liu wrote: > From: Jiang Liu <jiang....@huawei.com> > > If context switching happens during executing fpsimd_flush_thread(), > stale value in FPSIMD registers will be saved into current thread's > fpsimd_state by fpsimd_thread_switch(). That may cause invalid > initialization state for the new process, so disable preemption > when executing fpsimd_flush_thread().
Good catch. -- Catalin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
