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From: Albert ARIBAUD <albert.u.boot@aribaud.net>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH RESEND 0/3] ARM: mmu: Set domain permissions to client access
Date: Thu, 28 Mar 2013 09:44:18 +0100	[thread overview]
Message-ID: <20130328094418.0f4757a4@lilith> (raw)
In-Reply-To: <1362463485-14781-1-git-send-email-r.sricharan@ti.com>

Hi Sricharan,

On Tue, 5 Mar 2013 11:34:42 +0530, Sricharan R <r.sricharan@ti.com>
wrote:

> Currently for ARM based cpu's, mmu pagetable attributes are
> set with manager permissions for all 4GB address space.
> Because of this the 'execute never (XN)' permission is
> never checked on read sensitive regions which results in
> speculative aborts.
> 
> This series changes the domain permissions of the full 4GB
> space to client access for OMAP socs. This avoids all the
> speculative aborts that are currently seen on OMAP5 secure
> devices.
> 
> Tested on OMAP5 SDP (HS) soc.
> 
> This is a repost of the older series to include
> Vincent's patch in the same one.
> 
> R Sricharan (2):
>   ARM: mmu: Introduce weak dram_bank_setup function
>   ARM: mmu: Set domain permissions to client access
> 
> Vincent Stehl? (1):
>   ARM: cache: declare set_section_dcache
> 
>  arch/arm/cpu/armv7/cache_v7.c                  |    3 ++
>  arch/arm/cpu/armv7/omap-common/hwinit-common.c |   35 ++++++++++++++++++++++++
>  arch/arm/include/asm/cache.h                   |    2 ++
>  arch/arm/include/asm/system.h                  |   14 ++++++++++
>  arch/arm/lib/cache-cp15.c                      |   11 +++++++-
>  5 files changed, 64 insertions(+), 1 deletion(-)
> 

Series applied to u-boot-arm/master, thanks!

Amicalement,
-- 
Albert.

  parent reply	other threads:[~2013-03-28  8:44 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-08 18:08 [U-Boot] [PATCH 0/2] ARM: mmu: Set domain permissions to client access R Sricharan
2013-01-08 18:08 ` [U-Boot] [PATCH 1/2] ARM: mmu: Introduce weak dram_bank_setup function R Sricharan
2013-01-08 18:08 ` R Sricharan
2013-01-08 18:08 ` [U-Boot] [PATCH 2/2] ARM: mmu: Set domain permissions to client access R Sricharan
2013-02-03 14:17 ` [U-Boot] [PATCH 0/2] " Albert ARIBAUD
2013-02-03 14:19   ` R Sricharan
2013-02-03 14:22     ` R Sricharan
2013-02-03 15:25       ` Albert ARIBAUD
2013-02-03 16:13         ` R Sricharan
2013-02-28 14:20 ` Albert ARIBAUD
2013-02-28 15:05   ` [U-Boot] [PATCH 0/2] ARM: mmu: Set domain permissions to client access - build warnings! Albert ARIBAUD
2013-03-01  4:27     ` Sricharan R
2013-03-01  4:59       ` [U-Boot] [PATCH RESEND] ARM: cache: declare set_section_dcache Sricharan R
2013-03-01  7:45       ` [U-Boot] [PATCH 0/2] ARM: mmu: Set domain permissions to client access - build warnings! Albert ARIBAUD
2013-03-01 14:21         ` Tom Rini
2013-03-02 10:08           ` R, Sricharan
2013-03-02 22:46             ` Albert ARIBAUD
2013-03-04 10:08               ` Vincent Stehlé
2013-03-05  6:04                 ` [U-Boot] [PATCH RESEND 0/3] ARM: mmu: Set domain permissions to client access Sricharan R
2013-03-05  6:04                   ` [U-Boot] [PATCH RESEND 1/3] ARM: cache: declare set_section_dcache Sricharan R
2013-03-05  6:04                   ` [U-Boot] [PATCH RESEND 2/3] ARM: mmu: Introduce weak dram_bank_setup function Sricharan R
2013-03-05  6:04                   ` [U-Boot] [PATCH RESEND 3/3] ARM: mmu: Set domain permissions to client access Sricharan R
2013-03-12  4:44                   ` [U-Boot] [PATCH RESEND 0/3] " Sricharan R
2013-03-28  8:44                   ` Albert ARIBAUD [this message]
2013-03-05  6:39                 ` [U-Boot] [PATCH 0/2] ARM: mmu: Set domain permissions to client access - build warnings! Sricharan R

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