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Message-ID: <87zhm1ljrs.fsf@igel.home>
Date:   Fri, 28 Jun 2019 19:08:55 +0200
From:   Andreas Schwab <schwab@...ux-m68k.org>
To:     Christophe Leroy <christophe.leroy@....fr>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, mikey@...ling.org,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [RFC PATCH v2 02/12] powerpc/ptrace: drop unnecessary #ifdefs CONFIG_PPC64

On Jun 28 2019, Christophe Leroy <christophe.leroy@....fr> wrote:

> Le 28/06/2019 à 18:36, Andreas Schwab a écrit :
>> On Jun 28 2019, Christophe Leroy <christophe.leroy@....fr> wrote:
>>
>>> diff --git a/arch/powerpc/include/uapi/asm/ptrace.h b/arch/powerpc/include/uapi/asm/ptrace.h
>>> index f5f1ccc740fc..37d7befbb8dc 100644
>>> --- a/arch/powerpc/include/uapi/asm/ptrace.h
>>> +++ b/arch/powerpc/include/uapi/asm/ptrace.h
>>> @@ -43,12 +43,11 @@ struct pt_regs
>>>   	unsigned long link;
>>>   	unsigned long xer;
>>>   	unsigned long ccr;
>>> -#ifdef __powerpc64__
>>> -	unsigned long softe;		/* Soft enabled/disabled */
>>> -#else
>>> -	unsigned long mq;		/* 601 only (not used at present) */
>>> +	union {
>>> +		unsigned long softe;	/* Soft enabled/disabled */
>>> +		unsigned long mq;	/* 601 only (not used at present) */
>>>   					/* Used on APUS to hold IPL value. */
>>> -#endif
>>> +	};
>>
>> Anonymous unions are a C11 feature.
>>
>
> Is that a problem ?

Yes, this is a UAPI header.

Andreas.

-- 
Andreas Schwab, schwab@...ux-m68k.org
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