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SubjectRe: 4.9.80 compile failure with X86_VSYSCALL_EMULATION=n due to 9a0be5af
On Mon, Feb 12, 2018 at 10:43:25AM -0500, Lennart Sorensen wrote:
> Commit 9a0be5af added a reference to vsyscall_pgprot in
> arch/x86/mm/kaiser.c but that is undefined if X86_VSYSCALL_EMULATION=n
> which on an embedded system where you know how all your software is
> compiled is quite likely.
>
> Of course the condition is always false with that config so the code
> will never be run, but the compiler is unhappy.

What is the compiler error? I have not had any reports of this with all
of the varied builds that we currently run on the stable trees.

thanks,

greg k-h

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