[Skiboot] [PATCH v3 20/29] asm/head: add entry/exit calls

[Benjamin Herrenschmidt]

On Wed, 2017-11-29 at 15:36 +1000, Nicholas Piggin wrote:
> +void opal_exit_check(int64_t retval, struct stack_frame *eframe);
> +
> +void __attrconst opal_exit_check(int64_t retval, struct stack_frame *eframe)
> +{
> +       (void)retval;
> +       (void)eframe;
>  }
>  

Won't that corrupt r3 ?

We should return retval. This caused all sort of failures including
failure to init the console with DEBUG=1 builds for me unless I fix it.

Patch on the way...

Cheers,
Ben.