Hi Geert, On Thu, Feb 21, 2019 at 1:10 AM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: > > Hi Magnus, > > On Wed, Feb 20, 2019 at 3:55 PM Magnus Damm <magnus.damm@xxxxxxxxx> wrote: > > From: Magnus Damm <damm+renesas@xxxxxxxxxxxxx> > > > > Add a memory bank location check to the whitelist handling. > > > > Signed-off-by: Magnus Damm <damm+renesas@xxxxxxxxxxxxx> > > Thanks for your patch! Thanks for feedback! > > --- 0001/drivers/iommu/ipmmu-vmsa.c > > +++ work/drivers/iommu/ipmmu-vmsa.c 2019-02-20 22:59:28.589893396 +0900 > > > @@ -797,6 +798,12 @@ static bool ipmmu_slave_whitelist(struct > > if (!soc_device_match(soc_rcar_gen3_whitelist)) > > return false; > > > > + /* In case all system memory fits within 32 bits of physical space > > + * then assume the IPMMU will not be needed for address expansion. > > + */ > > + if (memblock_end_of_DRAM() <= SZ_4G) > > Can this give a compiler warning on arm32 when CONFIG_ARM_LPAE=n? Not sure how, can you elaborate? To test this I actually installed a new arm32 compiler but I failed to trigger any warnings. Thanks, / magnus
