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Re: 'kbuild' merge before 4.9-rc1 breaks build and boot

From Nicholas Piggin <npiggin@gmail.com>
Newsgroups linux.kernel
Subject Re: 'kbuild' merge before 4.9-rc1 breaks build and boot
Date 2016-11-21 07:00 +0100
Message-ID <sFPO2-5uT-9@gated-at.bofh.it> (permalink)
References (1 earlier) <swWlH-4Lb-27@gated-at.bofh.it> <sAXCy-7rh-29@gated-at.bofh.it> <sAZO2-ic-31@gated-at.bofh.it> <sB3RE-2NH-11@gated-at.bofh.it> <sFF2h-75D-7@gated-at.bofh.it>
Organization IBM

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On Sun, 20 Nov 2016 19:26:23 +0100
Peter Wu <peter@lekensteyn.nl> wrote:

> Hi Nicholas,
> 
> Current git master (v4.9-rc5-364-g77079b1) with the latest kbuild fixes
> is still failing to load modules when built with CONFIG_MODVERSIONS=y on
> x86_64 using GCC 6.2.1.
> 
> It can still be reproduced with make defconfig, then enabling
> CONFIG_MODVERSIONS=y. The build output contains:
> 
>     WARNING: "memcpy" [net/netfilter/nf_nat.ko] has no CRC!
>     WARNING: "memmove" [net/netfilter/nf_nat.ko] has no CRC!
>     WARNING: "_copy_to_user" [fs/efivarfs/efivarfs.ko] has no CRC!
>     WARNING: "memcpy" [fs/efivarfs/efivarfs.ko] has no CRC!
>     WARNING: "_copy_from_user" [fs/efivarfs/efivarfs.ko] has no CRC!

Hi Peter,

Sorry it's taken some time, bear with us. The arch specific patches need
to be merged now. Adam, what is the status of your patch? Please submit
to x86 maintainers if you haven't already.

Thanks,
Nick

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Thread

Re: 'kbuild' merge before 4.9-rc1 breaks build and boot Peter Wu <peter@lekensteyn.nl> - 2016-11-20 19:30 +0100
  Re: 'kbuild' merge before 4.9-rc1 breaks build and boot Nicholas Piggin <npiggin@gmail.com> - 2016-11-21 07:00 +0100
    [PATCH resend] kbuild: provide include/asm/asm-prototypes.h for x86 Adam Borowski <kilobyte@angband.pl> - 2016-11-21 07:50 +0100
      Re: [PATCH resend] kbuild: provide include/asm/asm-prototypes.h for  x86 Nicholas Piggin <npiggin@gmail.com> - 2016-11-21 08:30 +0100
        Re: [PATCH resend] kbuild: provide include/asm/asm-prototypes.h for  x86 Peter Wu <peter@lekensteyn.nl> - 2016-11-21 09:10 +0100
        [PATCH reworded] x86/kbuild: enable modversions for symbols exported from asm Adam Borowski <kilobyte@angband.pl> - 2016-11-21 16:00 +0100
          Re: [PATCH reworded] x86/kbuild: enable modversions for symbols  exported from asm Peter Wu <peter@lekensteyn.nl> - 2016-11-21 16:10 +0100
          Re: [PATCH reworded] x86/kbuild: enable modversions for symbols  exported from asm Oliver Hartkopp <socketcan@hartkopp.net> - 2016-11-21 18:00 +0100

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