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Message-ID: <20160915095232.GF2492@e104818-lin.cambridge.arm.com>
Date: Thu, 15 Sep 2016 10:52:32 +0100
From: Catalin Marinas <catalin.marinas@....com>
To: David Brown <david.brown@...aro.org>
Cc: kernel-hardening@...ts.openwall.com,
Mark Rutland <mark.rutland@....com>,
Kees Cook <keescook@...omium.org>,
Ard Biesheuvel <ard.biesheuvel@...aro.org>,
Will Deacon <will.deacon@....com>,
AKASHI Takahiro <takahiro.akashi@...aro.org>,
James Morse <james.morse@....com>,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 0/7] arm64: Privileged Access Never
using TTBR0_EL1 switching
On Wed, Sep 14, 2016 at 02:54:25PM -0600, David Brown wrote:
> On Tue, Sep 13, 2016 at 06:46:30PM +0100, Catalin Marinas wrote:
>
> >This is the third version of the arm64 PAN emulation using TTBR0_EL1
> >switching. The series has not yet included the alternative nop patches
> >from Mark Rutland, nor the empty_zero_page from Ard B. This will be done
> >in a subsequent version once 4.9-rc1 is out (which will include Mark's
> >alternative nop patches).
>
> I've tested these with a bunch of reboots in both qemu and HiKey and
> have not seen the efi failure.
Thanks for testing. I'll defer adding your tested-by until I post the
hopefully final version after 4.9-rc1 (it's pretty late to merge these
patches now, I still need to do more testing on models with PAN or
PAN+UAO present).
--
Catalin
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