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From:   Vineet Gupta <vineet.gupta1@synopsys.com>
To:     Guenter Roeck <linux@roeck-us.net>
CC:     Eugeniy Paltsev <eugeniy.paltsev@synopsys.com>,
        Claudiu Zissulescu <claudiu.zissulescu@synopsys.com>,
        "linux-snps-arc@lists.infradead.org" 
        <linux-snps-arc@lists.infradead.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] ARCv2: Add explcit unaligned access support (and
 ability to disable too)
Thread-Topic: [PATCH] ARCv2: Add explcit unaligned access support (and
 ability to disable too)
Thread-Index: AQHUz422b40bhmdW702O6EC/CP0bNQ==
Date:   Thu, 28 Feb 2019 19:24:43 +0000
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References: <20190228174742.GA18868@roeck-us.net>
 <C2D7FE5348E1B147BCA15975FBA2307501464380DE@US01WEMBX2.internal.synopsys.com>
 <20190228185929.GA9842@roeck-us.net>
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On 2/28/19 10:59 AM, Guenter Roeck wrote:=0A=
>> Once the patch hits mainline you could use that. In the mean time I'll b=
ack out=0A=
>> the "detector" as it might trip other people too.=0A=
>>=0A=
> Can you possibly use $(cc-option,-mno-unaligned-access), or would that=0A=
> defeat the purpose ?=0A=
>=0A=
=0A=
Indeed I was looking into Kconfig documentation and found something similar=
.=0A=
However there's an anti-dependency. It is enabled by default and can only b=
e=0A=
disabled with $(cc-option,-mno-unaligned-access)=0A=
So guess we will have to change  ARC_USE_UNALIGNED_MEM_ACCESS to=0A=
ARC_*LACKS*_UNALIGNED_MEM_ACCESS=0A=
=0A=
I'll tinker a bit and post an update soon.=0A=
=0A=
-Vineet=0A=