linux-kernel - Re: Build regressions/improvements in v4.1-rc3

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Date:	Mon, 11 May 2015 08:38:35 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Build regressions/improvements in v4.1-rc3

On Mon, May 11, 2015 at 11:18:37AM +0200, Geert Uytterhoeven wrote:
> 
[ ... ]
> 
> *** ERRORS ***
> 
> 23 regressions:
>   + /home/kisskb/slave/src/arch/mips/cavium-octeon/smp.c: error: passing argument 2 of 'cpumask_clear_cpu' discards 'volatile' qualifier from pointer target type [-Werror]:  => 242:2
>   + /home/kisskb/slave/src/arch/mips/kernel/smp.c: error: passing argument 2 of 'cpumask_set_cpu' discards 'volatile' qualifier from pointer target type [-Werror]:  => 211:2, 149:2
>   + /home/kisskb/slave/src/arch/mips/kernel/smp.c: error: passing argument 2 of 'cpumask_test_cpu' discards 'volatile' qualifier from pointer target type [-Werror]:  => 221:2
>   + /home/kisskb/slave/src/arch/mips/sgi-ip32/ip32-platform.c: error: 'sgio2_cmos_devinit' undeclared here (not in a function):  => 138:1
>   + /home/kisskb/slave/src/arch/mips/sgi-ip32/ip32-platform.c: error: expected identifier or '(' before '+' token:  => 133:1

https://patchwork.kernel.org/patch/6330621/

>   + /home/kisskb/slave/src/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c: error: implicit declaration of function 'dma_alloc_attrs' [-Werror=implicit-function-declaration]:  => 218:2
>   + /home/kisskb/slave/src/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c: error: implicit declaration of function 'dma_free_attrs' [-Werror=implicit-function-declaration]:  => 154:2

https://patchwork.kernel.org/patch/6330641/

>   + /home/kisskb/slave/src/drivers/spi/spi-bcm2835.c: error: dereferencing pointer to incomplete type:  => 356:21, 387:21
>   + /home/kisskb/slave/src/drivers/spi/spi-bcm2835.c: error: implicit declaration of function 'gpiochip_find' [-Werror=implicit-function-declaration]:  => 382:2

https://patchwork.kernel.org/patch/6330651/

>   + /home/kisskb/slave/src/fs/hostfs/hostfs_user.c: error: 'AT_FDCWD' undeclared (first use in this function):  => 373
>   + /home/kisskb/slave/src/fs/hostfs/hostfs_user.c: error: (Each undeclared identifier is reported only once:  => 373
>   + /home/kisskb/slave/src/fs/hostfs/hostfs_user.c: error: for each function it appears in.):  => 373

Outdated linux headers for some toolchain ? Looks like this has been reported
on and off since at least August last year.

>   + /home/kisskb/slave/src/include/asm-generic/io.h: error: implicit declaration of function 'bfin_read16' [-Werror=implicit-function-declaration]:  => 121:2
>   + /home/kisskb/slave/src/include/asm-generic/io.h: error: implicit declaration of function 'bfin_read32' [-Werror=implicit-function-declaration]:  => 129:2
>   + /home/kisskb/slave/src/include/asm-generic/io.h: error: implicit declaration of function 'bfin_read8' [-Werror=implicit-function-declaration]:  => 113:2
>   + /home/kisskb/slave/src/include/asm-generic/io.h: error: implicit declaration of function 'bfin_write16' [-Werror=implicit-function-declaration]:  => 155:2
>   + /home/kisskb/slave/src/include/asm-generic/io.h: error: implicit declaration of function 'bfin_write32' [-Werror=implicit-function-declaration]:  => 163:2
>   + /home/kisskb/slave/src/include/asm-generic/io.h: error: implicit declaration of function 'bfin_write8' [-Werror=implicit-function-declaration]:  => 147:2

https://patchwork.kernel.org/patch/6330671/

Guenter
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