[U-Boot] [PATCH 0/2] ARM: mmu: Set domain permissions to client access

[R Sricharan]

Hi,
On Sunday 03 February 2013 07:49 PM, R Sricharan wrote:
> Hi,
>
> On Sunday 03 February 2013 07:47 PM, Albert ARIBAUD wrote:
>> Hi R Sicharan, Vincent,
>>
>> On Tue, 8 Jan 2013 23:38:22 +0530, R Sricharan <r.sricharan at ti.com>
>> wrote: i meant
>>
>>> 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 at ti.com>
>>>
>>> [1] http://www.mail-archive.com/u-boot@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?
>   Except for one patch that i have mentioned, rest are needed
>
>    http://www.mail-archive.com/u-boot@lists.denx.de/msg102709.html
>
  Sorry..
  i meant Except for one patch, rest are "not needed"

Regards,
  Sricharan