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Date: Wed, 3 Jan 2018 20:36:31 -0800
From: Benjamin Gilbert <benjamin.gilbert@coreos.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        stable@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@kernel.org>,
        Andy Lutomirski <luto@kernel.org>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Peter Zijlstra <peterz@infradead.org>
Subject: Re: "bad pmd" errors + oops with KPTI on 4.14.11 after loading X.509
 certs
Message-ID: <20180104043631.GA14421@trogon.sfo.coreos.systems>
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On Wed, Jan 03, 2018 at 05:37:42PM -0800, Benjamin Gilbert wrote:
> I was caught by the fact that 4.14.11 has PAGE_TABLE_ISOLATION default y
> but 4.15-rc6 doesn't.  Retesting.

It turns out that 4.15-rc6 has the same problem as 4.14.11.

--Benjamin Gilbert

From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Wed, 3 Jan 2018 20:36:31 -0800
From: Benjamin Gilbert <benjamin.gilbert@coreos.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	stable@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@kernel.org>, Andy Lutomirski <luto@kernel.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Peter Zijlstra <peterz@infradead.org>
Subject: Re: "bad pmd" errors + oops with KPTI on 4.14.11 after loading X.509
 certs
Message-ID: <20180104043631.GA14421@trogon.sfo.coreos.systems>
References: <CAD3VwcrHs8W_kMXKyDjKnjNDkkK57-0qFS5ATJYCphJHU0V3ow@mail.gmail.com>
 <20180103084600.GA31648@trogon.sfo.coreos.systems>
 <20180103092016.GA23772@kroah.com>
 <20180104003303.GA1654@trogon.sfo.coreos.systems>
 <20180104013742.GA5911@trogon.sfo.coreos.systems>
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On Wed, Jan 03, 2018 at 05:37:42PM -0800, Benjamin Gilbert wrote:
> I was caught by the fact that 4.14.11 has PAGE_TABLE_ISOLATION default y
> but 4.15-rc6 doesn't.  Retesting.

It turns out that 4.15-rc6 has the same problem as 4.14.11.

--Benjamin Gilbert

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