[PATCH v4 05/13] powerpc/rtas: Facilitate high-level call sequences

Michael Ellerman mpe at ellerman.id.au
Wed Nov 29 14:16:29 AEDT 2023


Nathan Lynch <nathanl at linux.ibm.com> writes:
> Michael Ellerman <mpe at ellerman.id.au> writes:
>> Nathan Lynch via B4 Relay <devnull+nathanl.linux.ibm.com at kernel.org>
>> writes:
>>> diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
>>> index 1fc0b3fffdd1..52f2242d0c28 100644
>>> --- a/arch/powerpc/kernel/rtas.c
>>> +++ b/arch/powerpc/kernel/rtas.c
>>> @@ -196,6 +224,12 @@ static struct rtas_function rtas_function_table[] __ro_after_init = {
>>>  			.buf_idx1 = 1, .size_idx1 = -1,
>>>  			.buf_idx2 = -1, .size_idx2 = -1,
>>>  		},
>>> +		/*
>>> +		 * PAPR+ R1–7.3.19–3 is explicit that the OS must not
>>
>> When you cite PAPR+ can you please include the version number?
>>
>> That's a general comment on this patch and in some other places in the
>> series too.
>
> OK. I assume v2.13 is fine even though most of the citations refer to
> passages that significantly predate that version.

Yeah whatever version you are referring to.

It just means if there's ever confusion about what's in the kernel
comments vs the then current version of PAPR, we can go back and refer
to the exact version you were using.

It also avoids confusion vs LoPAPR, which is simliar but has some
differently numbered chapters.

cheers


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