If CONFIG_RANDOMIZE_BASE is enabled, the "memstart_addr" will be updated randomly, then the PHYS_OFFSET may be random.
Fixes: 82db33dc5e49 ("iommu/io-pgtable-arm: Check for v7s-incapable systems") Reported-by: CK Hu <ck...@mediatek.com> Signed-off-by: Yong Wu <yong...@mediatek.com> --- drivers/iommu/io-pgtable-arm-v7s.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index 445c3bd..70941e6 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -709,7 +709,7 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg, { struct arm_v7s_io_pgtable *data; -#ifdef PHYS_OFFSET +#if defined(PHYS_OFFSET) && !defined(CONFIG_RANDOMIZE_BASE) if (upper_32_bits(PHYS_OFFSET)) return NULL; #endif -- 1.9.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu