From: Sricharan R <r.sricharan@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH RESEND 0/3] ARM: mmu: Set domain permissions to client access
Date: Tue, 12 Mar 2013 10:14:35 +0530 [thread overview]
Message-ID: <513EB2B3.7010407@ti.com> (raw)
In-Reply-To: <1362463485-14781-1-git-send-email-r.sricharan@ti.com>
Hi Albert,
On Tuesday 05 March 2013 11:34 AM, Sricharan R 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(-)
>
Is this ok to get in now ?
Regards,
Sricharan
next prev parent reply other threads:[~2013-03-12 4:44 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 ` Sricharan R [this message]
2013-03-28 8:44 ` [U-Boot] [PATCH RESEND 0/3] " Albert ARIBAUD
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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