[PATCH] ARM: tegra: add basic SecureOS support

[Russell King - ARM Linux]

On Mon, Jun 10, 2013 at 04:47:22PM +0900, Alexandre Courbot wrote:
> One could remove the naked attribute and put there registers into the
> clobber list, but then the function will be inlined and we will have
> to ensure the parameters end up in the right register (and having a
> function that cannot be inlined is convenient in that respect). So as
> far as I can tell, having the function naked and saving the registers
> ourselves seems to be the most convenient way around this.

If you use such a large clobber list, you risk the compiler barfing on
you that it's run out of registers.