Re: [PATCH kernel] powerpc/prom_init: Pass the "os-term" message to hypervisor

[Michael Ellerman <mpe@ellerman.id.au>]

Alexey Kardashevskiy <aik@ozlabs.ru> writes:
> The "os-term" RTAS calls has one argument with a message address of
> OS termination cause. rtas_os_term() already passes it but the recently
> added prom_init's version of that missed it; it also does not fill args
> correctly.
>
> This passes the message address and initializes the number of arguments.
>
> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>

I added:

Fixes: 6a9c930bd775 ("powerpc/prom_init: Add the ESM call to prom_init")

cheers


> diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
> index 577345382b23..673f13b87db1 100644
> --- a/arch/powerpc/kernel/prom_init.c
> +++ b/arch/powerpc/kernel/prom_init.c
> @@ -1773,6 +1773,9 @@ static void __init prom_rtas_os_term(char *str)
>  	if (token == 0)
>  		prom_panic("Could not get token for ibm,os-term\n");
>  	os_term_args.token = cpu_to_be32(token);
> +	os_term_args.nargs = cpu_to_be32(1);
> +	os_term_args.nret = cpu_to_be32(1);
> +	os_term_args.args[0] = cpu_to_be32(__pa(str));
>  	prom_rtas_hcall((uint64_t)&os_term_args);
>  }
>  #endif /* CONFIG_PPC_SVM */
> -- 
> 2.17.1