Message-ID: <54929F8A.3030103@de.ibm.com>
Date: Thu, 18 Dec 2014 10:34:02 +0100
From: Christian Borntraeger <borntraeger@de.ibm.com>
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To: Russell King - ARM Linux <linux@arm.linux.org.uk>
CC: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-next@vger.kernel.org
Subject: Re: [PATCH] arm/rpc: avoid static keyword removal via define
References: <1418633287-5019-1-git-send-email-borntraeger@de.ibm.com> <1418633287-5019-2-git-send-email-borntraeger@de.ibm.com> <5490146A.3000408@de.ibm.com> <20141216114056.GP11285@n2100.arm.linux.org.uk> <5491A16A.7050101@de.ibm.com> <20141217165450.GW11285@n2100.arm.linux.org.uk>
In-Reply-To: <20141217165450.GW11285@n2100.arm.linux.org.uk>
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Am 17.12.2014 um 17:54 schrieb Russell King - ARM Linux:
> On Wed, Dec 17, 2014 at 04:29:46PM +0100, Christian Borntraeger wrote:
>> Am 16.12.2014 um 12:40 schrieb Russell King - ARM Linux:
>>> On Tue, Dec 16, 2014 at 12:15:54PM +0100, Christian Borntraeger wrote:
>>>> Am 15.12.2014 um 09:48 schrieb Christian Borntraeger:
>>>>> commit 4486b86368d7 ("[ARM] riscpc: fix decompressor font file handling")
>>>>> introduced Makefile magic to avoid building a file two times. Using
>>>>> -Dstatic= does break some assumptions on compiler.h that were introduced
>>>>> for READ_ONCE.
>>>>>
>>>>> Lets just use sed on the copy instead of using a define.
>>>>>
>>>>> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
>>>>> Cc: Russell King <linux@arm.linux.org.uk>
>>>>
>>>> This fixed the linux-next build http://kisskb.ellerman.id.au/kisskb/target/1508/
>>>> Unless anybody complains, I will send the pull request for the access_once tree tomorrow and I have this patch applied on top.
>>>
>>> Please give me some time to look at this.
>>
>> >From all builds, the only problematic case was the rpc_defconfig.
>> So only CONFIG_ARCH_ACORN is affected.
>>
>> As I said, I want to send this series this merge window, so if you
>> do not find the time to look into this before rc1, what about removing
>> this patch from my queue and we solve this later? 
>> Acorn Risc CPU is probably not the hottest platform right now, so if we 
>> fix this in rc2 or rc3 this might be ok - I guess.
> 
> How does compiler.h get included when building font.o?
> 
> Since I haven't seen your patch series, I guess it gets included somehow
> via linux/types.h ?

Good news.
I found a way to fix this in my code by moving the empty debug function as a static inline function into compiler.h itself. No need to change arm code.

Christian

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