Messages in this thread | | | Date | Mon, 10 Jun 2013 10:10:12 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH] ARM: tegra: add basic SecureOS support |
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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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