Hi R, On Sun, 3 Feb 2013 19:52:04 +0530, R Sricharan <r.sricha...@ti.com> wrote:
> 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.sricha...@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-ste...@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" Sorry, I may not have made myself clear enough. Does your patchset replace Vincent's patches 2/3 and 3/3 and should I consider them "superseded"? > Regards, > Sricharan Amicalement, -- Albert. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot