Re: [PATCH] Revert "iommu/io-pgtable-arm: Check for v7s-incapable systems"

[Joerg Roedel]

On Thu, Dec 13, 2018 at 05:19:48PM +0800, Yong Wu wrote:
> This reverts commit 82db33dc5e49fb625262d81125625d07a0d6184e.
> 
> After the commit 29859aeb8a6e ("iommu/io-pgtable-arm-v7s: Abort
> allocation when table address overflows the PTE"), v7s will return fail
> if the page table allocation isn't expected. this PHYS_OFFSET check
> is unnecessary now.
> 
> And this check may lead to fail. For example, If CONFIG_RANDOMIZE_BASE
> is enabled, the "memstart_addr" will be updated randomly, then the
> PHYS_OFFSET may be random.
> 
> Reported-by: CK Hu <ck.hu@xxxxxxxxxxxx>
> Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx>
> ---
>  drivers/iommu/io-pgtable-arm-v7s.c | 4 ----
>  1 file changed, 4 deletions(-)

Applied to iommu/fixes, thanks.