Re: [U-Boot] [PATCH RESEND 0/3] ARM: mmu: Set domain permissions to client access

2013-03-28 Thread Albert ARIBAUD
Hi Sricharan, On Tue, 5 Mar 2013 11:34:42 +0530, 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 res

Re: [U-Boot] [PATCH RESEND 0/3] ARM: mmu: Set domain permissions to client access

2013-03-11 Thread Sricharan R
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

[U-Boot] [PATCH RESEND 0/3] ARM: mmu: Set domain permissions to client access

2013-03-04 Thread Sricharan R
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