Re: [PATCH 05/10] tools headers: Synchoronize x86 features UAPI headers

[David Woodhouse]

On Mon, 2018-02-05 at 16:56 -0300, Arnaldo Carvalho de Melo wrote:
> 
> None will entail changes in the tools/perf/, synchronizing to elliminate
> these perf build warnings:
> 
> Â Warning: Kernel ABI header at 'tools/arch/x86/include/asm/disabled-features.h' differs from latest version at 'arch/x86/include/asm/disabled-features.h'
> Â Warning: Kernel ABI header at 'tools/arch/x86/include/asm/required-features.h' differs from latest version at 'arch/x86/include/asm/required-features.h'
> Â Warning: Kernel ABI header at 'tools/arch/x86/include/asm/cpufeatures.h' differs from latest version at 'arch/x86/include/asm/cpufeatures.h'

Ick. Have we considered just using a symlink? Why have copies of the
same header file in different places in the tree, and tooling to
complain iÌfÌwhen they get out of sync?

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