linux-kernel - Re: [kbuild-all] arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints

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Message-ID: <20190122115544.GC26587@zn.tnic>
Date:   Tue, 22 Jan 2019 12:55:44 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Philip Li <philip.li@...el.com>
Cc:     kbuild test robot <lkp@...el.com>, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>, kbuild-all@...org
Subject: Re: [kbuild-all] arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm'
 operand has impossible constraints

On Tue, Jan 22, 2019 at 07:13:59PM +0800, Philip Li wrote:
> thanks for the feedback, we will blacklist this. So may i understand based on
> the thread at https://lists.01.org/pipermail/kbuild-all/2018-December/056225.html,
> this is gcc-4.9 problem?

AFAICT, this triggers only on gcc-4.9, 32-bit build. Or do you have
other configurations which trigger it?

-- 
Regards/Gruss,
    Boris.

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