On Thu, Feb 07, 2019 at 11:43:25AM +0100, Sebastian Andrzej Siewior wrote: > They are accessible inside the region. But they should not be touched by > context switch code (and later BH). > Is that what you meant? I just don't like that "changes" name. So when called, those functions practically lock the FPU regs from being accessed by others. So with fpregs_lock fpregs_unlock for example, is kinda clear what's going on and you don't have to wonder what it does. > No. I picked up the patches, that function was named like that. I kept > it. That __ probably denotes that it is an internal function but then it > has to be used outside (KVM) if they plan to "reload" registers (which > happens if they switch between host/guest registers). Ok, so you can drop the "__". -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.