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Subject: Re: Fwd: [PATCH] x86: Use larger chunks in mtrr_cleanup
From: Yinghai Lu <yinghai@kernel.org>
To: Stuart Hayes <stuart.w.hayes@gmail.com>
Cc: Prarit Bhargava <prarit@redhat.com>, "Luis R. Rodriguez" <mcgrof@suse.com>,
        Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "the arch/x86 maintainers" <x86@kernel.org>, mcgrof@do-not-panic.com,
        Toshi Kani <toshi.kani@hp.com>
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On Mon, Sep 14, 2015 at 7:46 AM, Stuart Hayes <stuart.w.hayes@gmail.com> wrote:
>
> Booting with 'disable_mtrr_cleanup' works, but the system I am working with
> isn't actually failing--it just gets ugly error messages.  And the BIOS on the
> system I am working with had set up the MTRRs correctly.

Please post boot log and /proc/mtrr for:
1. without your patch
2. without your patch and with disable_mtrr_cleanup in boot command line.
3. with your patch.

Thanks

Yinghai