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Date: Tue, 1 Mar 2016 10:26:52 +0800
From: Fengguang Wu <fengguang.wu@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>, kbuild-all@01.org,
        linux-kernel@vger.kernel.org
Subject: Re: [kbuild-all] Invalid CPU Type - valid names are: alpha, arm,
 x86, ia64, m68k, microblaze, mips, mips64, nios2, powerpc, ppc, s390, sh,
 sparc, sparc64, blackfin, avr32, nds32, or1k
Message-ID: <20160301022652.GA20536@wfg-t540p.sh.intel.com>
References: <201602280726.PTUabuDo%fengguang.wu@intel.com>
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On Sun, Feb 28, 2016 at 10:24:42AM +0100, Thomas Gleixner wrote:
> On Sun, 28 Feb 2016, kbuild test robot wrote:
> 
> > Hi Thomas,
> > 
> > FYI, the error/warning still remains.
> > 
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   691429e13dfaf5b0994b07cc166db41bd608ee3d
> > commit: dcaab54e348c5b66cca4802815ceebd37059e70c timekeeping: Remove ktime_get_monotonic_offset()
> > date:   1 year, 7 months ago
> > config: xtensa-common_defconfig (attached as .config)
> > reproduce:
> >         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
> >         chmod +x ~/bin/make.cross
> >         git checkout dcaab54e348c5b66cca4802815ceebd37059e70c
> >         # save the attached .config to linux build tree
> >         make.cross ARCH=xtensa 
> > 
> > All errors (new ones prefixed by >>):
> > 
> > >> Invalid CPU Type - valid names are: alpha, arm, x86, ia64, m68k, microblaze, mips, mips64, nios2, powerpc, ppc, s390, sh, sparc, sparc64, blackfin, avr32, nds32, or1k
> >    Usage: /usr/bin/mkimage -l image
> >    -l ==> list image header information
> >    /usr/bin/mkimage -A arch -O os -T type -C comp -a addr -e ep -n name -d image
> >    -A ==> set architecture to 'arch'
> >    -O ==> set operating system to 'os'
> >    -T ==> set image type to 'type'
> >    -C ==> set compression type 'comp'
> >    -a ==> set load address to 'addr' (hex)
> >    ==> set entry point to 'ep' (hex)
> >    ==> set image name to 'name'-d ==> use image data from 'datafile'
> >    -x ==> set XIP (execute in place)
> >    /usr/bin/mkimage [-D dtc_options] -f fit-image.its fit-image
> >    /usr/bin/mkimage -V ==> print version information and exit
> 
> How is removing a unused function related to a tool problem?

Sorry, I triggered a batch of bisects for aged errors. This one looks
a problem with the tool rather than regression by some kernel commit.
Which confused the bisect.

> Hint:
> 
> >> Invalid CPU Type - valid names are: alpha, arm, x86, ia64, m68k, microblaze, mips,\
>     mips64, nios2, powerpc, ppc, s390, sh, sparc, sparc64, blackfin, avr32, nds32, or1k
> 
> Your mkimage does not support xtensa .....

Yeah, just upgraded the mkimage tool!

Thanks,
Fengguang