On Fri, Oct 11, 2013 at 02:24:47PM +0100, Antonios Motakis wrote: > The return value of arm_smmu_iova_to_phys is directly passed to the > user of the IOMMU API via iommu_iova_to_phys; however the ARM SMMU > driver returns -EINVAL on error, which is not consistent with the > rest of the drivers implementing the IOMMU API. VFIO also relies on > the call returning NULL when a page has not been mapped already. > > Signed-off-by: Antonios Motakis <a.mota...@virtualopensystems.com> > --- > drivers/iommu/arm-smmu.c | 5 +---- > 1 file changed, 1 insertion(+), 4 deletions(-) > > diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c > index 8b71332..fe81b20 100644 > --- a/drivers/iommu/arm-smmu.c > +++ b/drivers/iommu/arm-smmu.c > @@ -1480,10 +1480,7 @@ static phys_addr_t arm_smmu_iova_to_phys(struct > iommu_domain *domain, > > err_unlock: > spin_unlock(&smmu_domain->lock); > - dev_warn(smmu->dev, > - "invalid (corrupt?) page tables detected for iova 0x%llx\n", > - (unsigned long long)iova); > - return -EINVAL; > + return NULL;
Why are you removing the warning message? Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
