[PATCH v2] ARM: mm: clear SCTLR.HA instead of setting it for LPAE

Catalin Marinas catalin.marinas at arm.com
Thu Sep 25 02:52:24 PDT 2014


On Wed, Sep 24, 2014 at 06:41:38PM +0100, Will Deacon wrote:
> SCTLR.HA (hardware access flag) is deprecated and not actually
> implemented by any CPUs. Furthermore, it can confuse cr_alignment checks
> where the whole value of SCTLR is compared against the value sitting in
> the hardware, since the bit is actually RAZ/WI and will not match the
> saved cr_alignment value.
> 
> Signed-off-by: Will Deacon <will.deacon at arm.com>

Acked-by: Catalin Marinas <catalin.marinas at arm.com>



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