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Message-ID: <7dd19eae-793e-b334-e621-7681998ddf2e@c-s.fr>
Date: Fri, 28 Jun 2019 18:39:53 +0200
From: Christophe Leroy <christophe.leroy@....fr>
To: Andreas Schwab <schwab@...ux-m68k.org>
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
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 ?
Kernel has a minimum GCC requirement of version 4.6, doesn't 4.6 support
C11 ?
Christophe
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