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Date: Mon, 23 Feb 2015 10:03:10 +0100 From: Arnd Bergmann <arnd@...db.de> To: linux-arm-kernel@...ts.infradead.org Cc: Geert Uytterhoeven <geert@...ux-m68k.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, ALSA Development Mailing List <alsa-devel@...a-project.org>, "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org> Subject: Re: Build regressions/improvements in v4.0-rc1 On Monday 23 February 2015 09:45:43 Geert Uytterhoeven wrote: > On Mon, Feb 23, 2015 at 9:33 AM, Geert Uytterhoeven > <geert@...ux-m68k.org> wrote: > > Below is the list of build error/warning regressions/improvements in > > v4.0-rc1[1] compared to v3.19[2]. > > > > Summarized: > > - build errors: +11/-10 > > > [1] http://kisskb.ellerman.id.au/kisskb/head/8494/ (256 out of 257 configs) > > [2] http://kisskb.ellerman.id.au/kisskb/head/8427/ (255 out of 257 configs) > > > > > > *** ERRORS *** > > > > 11 regressions: > > + /home/kisskb/slave/src/arch/arm/include/asm/atomic.h: error: #error SMP not supported on pre-ARMv6 CPUs: => 137:2 > > + /home/kisskb/slave/src/arch/arm/include/asm/cmpxchg.h: error: #error "SMP is not supported on this platform": => 114:2 > > arm-randconfig > > SMP does depend on CPU_V6K || CPU_V7 and on HAVE_SMP... strange... V6/V7 and the earlier V4/V5 are normally mutually exclusive, but we sometimes screw up the dependencies for some platform, in which case you can end up with a config that includes both and gives the above error. I'll have a look. I thought I'd fixed all the bugs we introduced in the merge window in yesterday's fixes branch. There is one known problem for mach-realview in this area, for which I have a fix. > > + /home/kisskb/slave/src/fs/dax.c: error: implicit declaration of function 'copy_user_page' [-Werror=implicit-function-declaration]: => 266:2 DAX support was merged with 'depends on !(ARM || MIPS || SPARC)', so I don't see how this could happen. > sh-randconfig > > > + /home/kisskb/slave/src/sound/soc/codecs/max98357a.c: error: implicit declaration of function 'devm_gpiod_get' [-Werror=implicit-function-declaration]: => 55:2 > > + /home/kisskb/slave/src/sound/soc/codecs/max98357a.c: error: implicit declaration of function 'gpiod_direction_output' [-Werror=implicit-function-declaration]: => 61:2 > > + /home/kisskb/slave/src/sound/soc/codecs/max98357a.c: error: implicit declaration of function 'gpiod_set_value' [-Werror=implicit-function-declaration]: => 30:3 Something wrong in arch/sh/include/asm/gpio.h? the codec is only selectable when gpiolib is enabled, but the consumer.h header apparently does not get included here. > s390-allyesconfig > s390-allmodconfig > parisc-allmodconfig > sh-allmodconfig > sh-allyesconfig > cris-allyesconfig > cris-allmodconfig > mips-allmodconfig > > > + error: asm9260_timer.c: undefined reference to `of_io_request_and_map': => .init.text+0x4014), .init.text+0x5c84) asm9260 is arm-specific, we probably need to refine the dependencies here to ensure that OF_ADDRESS is set. Need to think about what the best set of dependencies is. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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