From: Albert ARIBAUD <albert.u.boot@aribaud.net>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 0/2] ARM: mmu: Set domain permissions to client access
Date: Sun, 3 Feb 2013 15:17:10 +0100 [thread overview]
Message-ID: <20130203151710.062f20ea@lilith> (raw)
In-Reply-To: <1357668505-30559-1-git-send-email-r.sricharan@ti.com>
Hi R Sicharan, Vincent,
On Tue, 8 Jan 2013 23:38:22 +0530, R Sricharan <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 series depends on [1] the patch sent by
> <Vincent Stehle <v-stehle@ti.com>
>
> [1] http://www.mail-archive.com/u-boot at lists.denx.de/msg102709.html
>
> R Sricharan (2):
> ARM: mmu: Introduce weak dram_bank_setup function
> ARM: mmu: Set domain permissions to client access
>
> arch/arm/cpu/armv7/cache_v7.c | 3 ++
> arch/arm/cpu/armv7/omap-common/hwinit-common.c | 35 ++++++++++++++++++++++++
> arch/arm/include/asm/cache.h | 1 +
> arch/arm/include/asm/system.h | 14 ++++++++++
> arch/arm/lib/cache-cp15.c | 13 ++++++++-
> 5 files changed, 65 insertions(+), 1 deletion(-)
Does that mean the rest of Vincent's patch set is not needed any more?
Amicalement,
--
Albert.
next prev parent reply other threads:[~2013-02-03 14:17 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 ` Albert ARIBAUD [this message]
2013-02-03 14:19 ` [U-Boot] [PATCH 0/2] " 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
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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