On Fri, Mar 25, 2016 at 10:13:23AM +0800, Jason Wang wrote: > To avoid duplicated name and ease debugging. > > Cc: Michael S. Tsirkin <m...@redhat.com> > Cc: Paolo Bonzini <pbonz...@redhat.com> > Cc: Richard Henderson <r...@twiddle.net> > Cc: Eduardo Habkost <ehabk...@redhat.com> > Signed-off-by: Jason Wang <jasow...@redhat.com> > --- > hw/i386/intel_iommu.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c > index 347718f..d647b42 100644 > --- a/hw/i386/intel_iommu.c > +++ b/hw/i386/intel_iommu.c > @@ -1901,6 +1901,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, > PCIBus *bus, int devfn) > uintptr_t key = (uintptr_t)bus; > VTDBus *vtd_bus = g_hash_table_lookup(s->vtd_as_by_busptr, &key); > VTDAddressSpace *vtd_dev_as; > + char name[128]; > > if (!vtd_bus) { > /* No corresponding free() */ > @@ -1913,6 +1914,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, > PCIBus *bus, int devfn) > vtd_dev_as = vtd_bus->dev_as[devfn]; > > if (!vtd_dev_as) { > + sprintf(name, "intel_iommu_devfn_%d", devfn);
It's safe here, but would snprintf() look better? > vtd_bus->dev_as[devfn] = vtd_dev_as = > g_malloc0(sizeof(VTDAddressSpace)); > > vtd_dev_as->bus = bus; > @@ -1920,9 +1922,9 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, > PCIBus *bus, int devfn) > vtd_dev_as->iommu_state = s; > vtd_dev_as->context_cache_entry.context_cache_gen = 0; > memory_region_init_iommu(&vtd_dev_as->iommu, OBJECT(s), > - &s->iommu_ops, "intel_iommu", UINT64_MAX); > + &s->iommu_ops, name, UINT64_MAX); > address_space_init(&vtd_dev_as->as, > - &vtd_dev_as->iommu, "intel_iommu"); > + &vtd_dev_as->iommu, name); > } > return vtd_dev_as; > } > -- > 2.5.0 > Besides the nit-pick: Acked-by: Peter Xu <pet...@redhat.com>