linux-kernel - Re: [stffrdhrn:or1k-virt-5 2/10] arch/x86/kernel/cpu/cyrix.c:277:17: error: 'isa_dma_bridge

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Date:   Sat, 30 Jul 2022 13:32:58 +0900
From:   Stafford Horne <shorne@...il.com>
To:     kernel test robot <lkp@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Christoph Hellwig <hch@....de>
Subject: Re: [stffrdhrn:or1k-virt-5 2/10] arch/x86/kernel/cpu/cyrix.c:277:17:
 error: 'isa_dma_bridge_buggy' undeclared

On Sat, Jul 30, 2022 at 11:54:41AM +0800, kernel test robot wrote:
> tree:   https://github.com/stffrdhrn/linux.git or1k-virt-5
> head:   2e5ced6dd3319303f0d6760a46e8b35e985c86b5
> commit: db5cc35daef410a8a51d7c2e66d34195b82dcb50 [2/10] PCI: Move isa_dma_bridge_buggy out of dma.h
> config: i386-randconfig-a014-20210930 (https://download.01.org/0day-ci/archive/20220730/202207301158.ldOcpmVn-lkp@intel.com/config)
> compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
> reproduce (this is a W=1 build):
>         # https://github.com/stffrdhrn/linux/commit/db5cc35daef410a8a51d7c2e66d34195b82dcb50
>         git remote add stffrdhrn https://github.com/stffrdhrn/linux.git
>         git fetch --no-tags stffrdhrn or1k-virt-5
>         git checkout db5cc35daef410a8a51d7c2e66d34195b82dcb50
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 
>    arch/x86/kernel/cpu/cyrix.c: In function 'init_cyrix':
> >> arch/x86/kernel/cpu/cyrix.c:277:17: error: 'isa_dma_bridge_buggy' undeclared (first use in this function)
>      277 |                 isa_dma_bridge_buggy = 2;
>          |                 ^~~~~~~~~~~~~~~~~~~~
>    arch/x86/kernel/cpu/cyrix.c:277:17: note: each undeclared identifier is reported only once for each function it appears in

I don't have the fix on the branch but this is fixed on the branch
'pci/header-cleanup-immutable' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git

After the patches went into the PCI branch.

-Stafford