On Mon, Oct 30, 2017 at 12:49:14PM -0500, Brijesh Singh wrote: > If the buffer is allocated on the stack then there is no guarantee that static global is not allocated on the stack. > I can certainly move the allocation outside, but then it may increase the > code size in other functions. If its not a big deal then I would prefer to > keep what we have. Avoiding repeated k*alloc calls is always a good thing. Actually kmalloc-ing 20 bytes each time sounds like it is not worth the calling overhead to me. > The function is not used by userspace ioctl, its used by kvm drv when it > launch/terminates the SEV guest. Just do that directly in the ioctl instead of having a dumb function. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.