Re: [PATCH] ARM: tegra: add basic SecureOS support

From: Russell King - ARM Linux
Date: Mon Jun 10 2013 - 05:10:42 EST

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.
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