Re: [PATCH 1/1] Speedfreq-SMI call clobbers ECX

[Ingo Molnar]

* Stephan Diestelhorst <langer_mann@xxxxxx> wrote:

> @@ -184,7 +184,7 @@ static void speedstep_set_state (unsigne
>  		__asm__ __volatile__(
>  			"movl $0, %%edi\n"
>  			"out %%al, (%%dx)\n"
> -			: "=b" (new_state), "=D" (result)
> +			: "=b" (new_state), "=D" (result), "=c" (ecx_clobber)
>  			: "a" (command), "b" (function), "c" (state), "d" (smi_port), "S" (0)
>  			);

stupid suggestion: why not do a pusha/popa around those instructions, to 
make sure everything is restored? This isnt a fastpath and being 
conservative about SMI side-effects cannot hurt ...

	Ingo
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