Hi Vincent,
On Monday 07 January 2013 08:14 PM, Vincent Stehlé wrote:
We introduce an OMAP5 specific version of arm_setup_identity_mapping(), which
makes the first page of the identity mapping invalid.
We want to unmap the region near address zero on HS OMAP devices, to avoid
speculative
On 01/08/2013 12:14 PM, R Sricharan wrote:
(..)
We had this problem of speculative aborts in the kernel uncompress code
as well, which maps all of 4GB address space. It was solved by setting
the non-DRAM region as non-executable(XN) and with client permissions
to the domain in the DACR
Hi Vincent,
On Tuesday 08 January 2013 05:57 PM, Vincent Stehlé wrote:
On 01/08/2013 12:14 PM, R Sricharan wrote:
(..)
We had this problem of speculative aborts in the kernel uncompress code
as well, which maps all of 4GB address space. It was solved by setting
the non-DRAM region as
We introduce an OMAP5 specific version of arm_setup_identity_mapping(), which
makes the first page of the identity mapping invalid.
We want to unmap the region near address zero on HS OMAP devices, to avoid
speculative accesses. Accessing this region causes security violations, which
we want to
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