From: linux@armlinux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/6] Further spectre variant 1 mitigations
Date: Thu, 19 Jul 2018 11:19:31 +0100 [thread overview]
Message-ID: <20180719101931.GI17271@n2100.armlinux.org.uk> (raw)
In-Reply-To: <20180710141322.GL17271@n2100.armlinux.org.uk>
I don't have any public feedback on this series... so, I guess no one
is really interested in this?
On Tue, Jul 10, 2018 at 03:13:22PM +0100, Russell King - ARM Linux wrote:
> Hi,
>
> This series applies the mitigations for Spectre variant 1 to 32-bit
> ARM user accessors. This series slightly larger by the need to
> offset the additional overhead introduced by these checks in various
> paths, particularly the signal handling path.
>
> arch/arm/include/asm/assembler.h | 4 +++
> arch/arm/include/asm/thread_info.h | 2 +-
> arch/arm/include/asm/uaccess.h | 26 ++++++++++++-----
> arch/arm/kernel/signal.c | 58 +++++++++++++++++++-------------------
> arch/arm/kernel/sys_oabi-compat.c | 8 ++++--
> arch/arm/lib/copy_from_user.S | 7 +++++
> arch/arm/vfp/vfpmodule.c | 16 +++++------
> 7 files changed, 72 insertions(+), 49 deletions(-)
>
> --
> RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
> FTTC broadband for 0.8mile line in suburbia: sync at 13.8Mbps down 630kbps up
> According to speedtest.net: 13Mbps down 490kbps up
--
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line in suburbia: sync at 13.8Mbps down 630kbps up
According to speedtest.net: 13Mbps down 490kbps up
prev parent reply other threads:[~2018-07-19 10:19 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-10 14:13 [PATCH 0/6] Further spectre variant 1 mitigations Russell King - ARM Linux
2018-07-10 14:13 ` [PATCH 1/6] ARM: signal: copy registers using __copy_from_user() Russell King
2018-07-26 12:23 ` Mark Rutland
2018-07-26 13:56 ` Russell King - ARM Linux
2018-07-26 14:02 ` Mark Rutland
2018-07-10 14:13 ` [PATCH 2/6] ARM: vfp: use __copy_from_user() when restoring VFP state Russell King
2018-07-26 12:32 ` Mark Rutland
2018-07-26 14:02 ` Russell King - ARM Linux
2018-08-14 6:10 ` Kees Cook
2018-08-02 10:52 ` Julien Thierry
2018-07-10 14:13 ` [PATCH 3/6] ARM: oabi-compat: copy semops using __copy_from_user() Russell King
2018-07-26 12:35 ` Mark Rutland
2018-07-10 14:14 ` [PATCH 4/6] ARM: use __inttype() in get_user() Russell King
2018-07-26 12:40 ` Mark Rutland
2018-07-10 14:14 ` [PATCH 5/6] ARM: spectre-v1: use get_user() for __get_user() Russell King
2018-07-26 12:44 ` Mark Rutland
2018-07-26 13:19 ` Russell King - ARM Linux
2018-07-27 10:51 ` Mark Rutland
2018-07-10 14:14 ` [PATCH 6/6] ARM: spectre-v1: mitigate user accesses Russell King
2018-07-26 12:49 ` Mark Rutland
2018-07-26 13:20 ` Russell King - ARM Linux
2018-07-27 5:32 ` Robert Jarzmik
2018-07-26 14:12 ` Russell King - ARM Linux
2018-07-27 10:55 ` Mark Rutland
2018-07-19 10:19 ` Russell King - ARM Linux [this message]
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