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Date:   Mon, 5 Nov 2018 12:27:22 +0100 (CET)
From:   Thomas Gleixner <tglx@linutronix.de>
To:     Arnd Bergmann <arnd@arndb.de>
cc:     Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
        Juergen Gross <jgross@suse.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86: vsmp: avoid link error with gcc -Og
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Arnd,

On Fri, 2 Nov 2018, Arnd Bergmann wrote:

> When the compiler skips optimizations for ease of debugging,
> teh vsmp_cap_cpus() function is not eliminated from the build
> with CONFIG_PCI=n:

thanks for that, but the code has other issues, which are addressed with
this:

  https://lkml.kernel.org/r/1541404864-31603-1-git-send-email-eial@scalemp.com

That should also solve the problem you've observed.

Thanks,

	tglx