[PATCH] arm: Preserve L_PTE_VALID in pte_modify()

[Will Deacon]

Hi Catalin,

On Mon, Feb 18, 2013 at 04:21:50PM +0000, Will Deacon wrote:
> On Tue, Feb 12, 2013 at 06:25:50PM +0000, Catalin Marinas wrote:
> > Following commit 26ffd0d4 (ARM: mm: introduce present, faulting entries
> > for PAGE_NONE), if a page has been mapped as PROT_NONE, the L_PTE_VALID
> > bit is cleared by the set_pte_ext() code. With LPAE the software and
> > hardware pte share the same location and subsequent modifications of pte
> > range (change_protection()) will leave the L_PTE_VALID bit cleared.
> > 
> > This patch adds the L_PTE_VALID bit to the newprot mask in pte_modify().
> > 
> > Signed-off-by: Catalin Marinas <catalin.marinas at arm.com>
> > Reported-by: Subash Patel <subash.rp at samsung.com>
> > Tested-by: Subash Patel <subash.rp at samsung.com>
> > Cc: Will Deacon <will.deacon at arm.com>
> 
> This matches what I did for arm64, so:
> 
>   Acked-by: Will Deacon <will.deacon at arm.com>

Can you put this into the patch system please?

Cheers,

Will