linux-kernel - Re: [Suggest] arch: metag: compiler: Are they compiler's issues?

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Message-ID: <52B8FEC9.7050709@gmail.com>
Date:	Tue, 24 Dec 2013 11:26:01 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	James Hogan <james.hogan@...tec.com>
CC:	linux-metag@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Suggest] arch: metag: compiler: Are they compiler's issues?


After by pass these issues and VGA_CONSOLE issue, the metag can pass
allmodconfig for current kernel next tree.  :-)

Thanks.

On 12/24/2013 10:36 AM, Chen Gang wrote:
> Helllo Maintainers:
> 
> When compile metag with allmodconfig, I met the 2 kinds of issues, I
> guess they are compiler's issues, please help check, thanks.
> 
> 
> Issue 1: compiler report the issue, but after check the related kernel
> source code, I can not find any issues.
> 
>     CC [M]  drivers/isdn/hisax/s0box.o
>   drivers/isdn/hisax/hscx_irq.c: In function 'hscx_fill_fifo':
>   /upstream/linux-next/arch/metag/include/asm/io.h:62: error: 'asm' operand requires impossible reload
>   make[3]: *** [drivers/isdn/hisax/s0box.o] Error 1
>   make[2]: *** [drivers/isdn/hisax] Error 2
>   make[1]: *** [drivers/isdn] Error 2
>   make: *** [drivers] Error 2
> 
> 
> Issue 2: they are about structure variables alignment, I guess, the
> compiler can not notice about the "#pragma pack()" correctly.
> 
>     CC [M]  drivers/staging/lustre/lustre/lov/lov_pack.o
>   drivers/staging/lustre/lustre/lov/lov_pack.c: In function 'lov_getstripe':
>   drivers/staging/lustre/lustre/lov/lov_pack.c:630: error: duplicate case value
>   drivers/staging/lustre/lustre/lov/lov_pack.c:630: error: previously used here
>   make[5]: *** [drivers/staging/lustre/lustre/lov/lov_pack.o] Error 1
>   make[4]: *** [drivers/staging/lustre/lustre/lov] Error 2
>   make[3]: *** [drivers/staging/lustre/lustre] Error 2
>   make[2]: *** [drivers/staging/lustre] Error 2
>   make[1]: *** [drivers/staging] Error 2
>   make: *** [drivers] Error 2
> 
>     MODPOST 2909 modules
>   ERROR: "__compiletime_assert_426" [net/batman-adv/batman-adv.ko] undefined!
>   ERROR: "__compiletime_assert_429" [net/batman-adv/batman-adv.ko] undefined!
>   ERROR: "__compiletime_assert_425" [net/batman-adv/batman-adv.ko] undefined!
>   ERROR: "__compiletime_assert_428" [net/batman-adv/batman-adv.ko] undefined!
>   ERROR: "__compiletime_assert_427" [net/batman-adv/batman-adv.ko] undefined!
>   ERROR: "__compiletime_assert_430" [net/batman-adv/batman-adv.ko] undefined!
> 
> 
> Making cross-compiler:
> 
>   git clone git://github.com/img-meta/metag-buildroot.git metag-core-2013.11
>   make meta2_defconfig.
>   "cd metag-core-2013.11; cp -r output/host/usr/* /usr/"
> 
> 
> Welcome any additional suggestions, discussions or completions.
> 
> Thanks.
> 


-- 
Chen Gang

Open, share and attitude like air, water and life which God blessed
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