From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [kernel-hardening] [PATCH v3 0/7] arm64: Privileged Access Never using TTBR0_EL1 switching
Date: Thu, 15 Sep 2016 10:52:32 +0100 [thread overview]
Message-ID: <20160915095232.GF2492@e104818-lin.cambridge.arm.com> (raw)
In-Reply-To: <20160914205425.GA15021@davidb.org>
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
next prev parent reply other threads:[~2016-09-15 9:52 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-13 17:46 [PATCH v3 0/7] arm64: Privileged Access Never using TTBR0_EL1 switching Catalin Marinas
2016-09-13 17:46 ` [PATCH v3 1/7] arm64: Factor out PAN enabling/disabling into separate uaccess_* macros Catalin Marinas
2016-09-15 15:10 ` Mark Rutland
2016-09-13 17:46 ` [PATCH v3 2/7] arm64: Factor out TTBR0_EL1 post-update workaround into a specific asm macro Catalin Marinas
2016-09-15 15:19 ` Mark Rutland
2016-09-13 17:46 ` [PATCH v3 3/7] arm64: Introduce uaccess_{disable, enable} functionality based on TTBR0_EL1 Catalin Marinas
2016-09-13 20:45 ` [PATCH v3 3/7] arm64: Introduce uaccess_{disable,enable} " Kees Cook
2016-09-14 8:52 ` Mark Rutland
2016-09-14 16:27 ` [kernel-hardening] " Kees Cook
2016-09-13 17:46 ` [PATCH v3 4/7] arm64: Disable TTBR0_EL1 during normal kernel execution Catalin Marinas
2016-09-14 16:45 ` Will Deacon
2016-09-13 17:46 ` [PATCH v3 5/7] arm64: Handle faults caused by inadvertent user access with PAN enabled Catalin Marinas
2016-09-16 11:33 ` Mark Rutland
2016-09-16 15:55 ` Catalin Marinas
2016-09-13 17:46 ` [PATCH v3 6/7] arm64: xen: Enable user access before a privcmd hvc call Catalin Marinas
2016-09-13 17:46 ` [PATCH v3 7/7] arm64: Enable CONFIG_ARM64_SW_TTBR0_PAN Catalin Marinas
2016-09-14 10:13 ` [PATCH v3 0/7] arm64: Privileged Access Never using TTBR0_EL1 switching Ard Biesheuvel
2016-09-14 10:27 ` Mark Rutland
2016-09-14 10:30 ` Ard Biesheuvel
2016-09-14 10:36 ` Mark Rutland
2016-09-14 10:48 ` Mark Rutland
2016-09-14 20:54 ` [kernel-hardening] " David Brown
2016-09-15 9:52 ` Catalin Marinas [this message]
2016-09-15 16:20 ` Mark Rutland
2016-09-15 16:41 ` Mark Rutland
2016-09-29 22:44 ` [kernel-hardening] " Sami Tolvanen
2016-09-30 18:42 ` Kees Cook
2016-10-27 14:54 ` Catalin Marinas
2016-10-27 21:23 ` Kees Cook
2016-10-14 21:44 ` Kees Cook
2016-10-15 14:35 ` Catalin Marinas
2016-10-16 2:04 ` Kees Cook
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