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[for,2.8,03/11] intel_iommu: name vtd address space with devfn

Message ID 1472526419-5900-4-git-send-email-jasowang@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jason Wang Aug. 30, 2016, 3:06 a.m. UTC 
To avoid duplicated name and ease debugging.

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 hw/i386/intel_iommu.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Wei Xu Sept. 5, 2016, 6:56 a.m. UTC | #1 
On 2016年08月30日 11:06, Jason Wang wrote:
> To avoid duplicated name and ease debugging.
>
> Cc: Michael S. Tsirkin <mst@redhat.com>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: Richard Henderson <rth@twiddle.net>
> Cc: Eduardo Habkost <ehabkost@redhat.com>
> Acked-by: Peter Xu <peterx@redhat.com>
> Signed-off-by: Jason Wang <jasowang@redhat.com>
> ---
>   hw/i386/intel_iommu.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
> index 28c31a2..db70310 100644
> --- a/hw/i386/intel_iommu.c
> +++ b/hw/i386/intel_iommu.c
> @@ -2303,6 +2303,7 @@ 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() */
> @@ -2316,6 +2317,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn)
>       vtd_dev_as = vtd_bus->dev_as[devfn];
>
>       if (!vtd_dev_as) {
> +        snprintf(name, sizeof(name), "intel_iommu_devfn_%d", devfn);
>           vtd_bus->dev_as[devfn] = vtd_dev_as = g_malloc0(sizeof(VTDAddressSpace));
>
>           vtd_dev_as->bus = bus;
> @@ -2330,7 +2332,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn)
>           memory_region_add_subregion(&vtd_dev_as->iommu, VTD_INTERRUPT_ADDR_FIRST,
>                                       &vtd_dev_as->iommu_ir);
>           address_space_init(&vtd_dev_as->as,
> -                           &vtd_dev_as->iommu, "intel_iommu");
> +                           &vtd_dev_as->iommu, name);

No need to use the name for iommu region as before?

>       }
>       return vtd_dev_as;
>   }
>
diff mbox

Patch

diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 28c31a2..db70310 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -2303,6 +2303,7 @@  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() */
@@ -2316,6 +2317,7 @@  VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn)
     vtd_dev_as = vtd_bus->dev_as[devfn];
 
     if (!vtd_dev_as) {
+        snprintf(name, sizeof(name), "intel_iommu_devfn_%d", devfn);
         vtd_bus->dev_as[devfn] = vtd_dev_as = g_malloc0(sizeof(VTDAddressSpace));
 
         vtd_dev_as->bus = bus;
@@ -2330,7 +2332,7 @@  VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn)
         memory_region_add_subregion(&vtd_dev_as->iommu, VTD_INTERRUPT_ADDR_FIRST,
                                     &vtd_dev_as->iommu_ir);
         address_space_init(&vtd_dev_as->as,
-                           &vtd_dev_as->iommu, "intel_iommu");
+                           &vtd_dev_as->iommu, name);
     }
     return vtd_dev_as;
 }