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Subject: Re: [PATCH v2] X86: don't report PAT on CPUs that don't support it
To: Mikulas Patocka <mpatocka@redhat.com>,
        Andy Lutomirski <luto@kernel.org>
Cc: Toshi Kani <toshi.kani@hp.com>, Borislav Petkov <bp@alien8.de>,
        Andrew Morton <akpm@linux-foundation.org>,
        Brian Gerst <brgerst@gmail.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <peterz@infradead.org>,
        "Luis R. Rodriguez" <mcgrof@suse.com>,
        Denys Vlasenko <dvlasenk@redhat.com>,
        Josh Poimboeuf <jpoimboe@redhat.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
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From: Bernhard Held <berny156@gmx.de>
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Date: Wed, 7 Jun 2017 21:54:44 +0200
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On 06/07/2017 at 12:49 AM, Mikulas Patocka wrote:
> Hi
> 
> Here I send the second version of the patch. It drops the change from
> boot_cpu_has(X86_FEATURE_PAT) to this_cpu_has(X86_FEATURE_PAT) (that
> caused kernel to be unbootable for some people).
> 
> Another change is that setup_arch() calls init_cache_modes() if PAT is
> disabled, so that init_cache_modes() is always called.
> 
> Mikulas

[PATCH v2] Works for me!

CHeers,
Bernhard