On 01/15/2015 07:29 PM, Shuah Khan wrote: > iommu_map() calls trace_map() with iova and size. trace_map() > should report original iova and original size as opposed to > iova and size after they get changed during mapping. size is > always zero at the end of mapping which is useless to report > and iova as it gets incremented, it is not as useful as the > original iova. Change iommu_map() to call trace_map() to > report original iova and original size. > > Signed-off-by: Shuah Khan <shua...@osg.samsung.com> > Reported-by: Alex Williamson <alex.william...@redhat.com> > --- > drivers/iommu/iommu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c > index f7718d7..fbf8827 100644 > --- a/drivers/iommu/iommu.c > +++ b/drivers/iommu/iommu.c > @@ -1084,7 +1084,7 @@ int iommu_map(struct iommu_domain *domain, unsigned > long iova, > if (ret) > iommu_unmap(domain, orig_iova, orig_size - size); > else > - trace_map(iova, paddr, size); > + trace_map(orig_iova, paddr, orig_size); > > return ret; > } >
Joerg, Just makeing sure you saw this as well. I saw your responses on the trace_unmap() patches that you pulled them in. thanks, -- Shuah -- Shuah Khan Sr. Linux Kernel Developer Open Source Innovation Group Samsung Research America (Silicon Valley) shua...@osg.samsung.com | (970) 217-8978 -- 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/
