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[Qemu-devel] [PULL 05/41] intel_iommu: name vtd address space with devfn


From: Michael S. Tsirkin
Subject: [Qemu-devel] [PULL 05/41] intel_iommu: name vtd address space with devfn
Date: Tue, 10 Jan 2017 07:39:32 +0200

From: Jason Wang <address@hidden>

To avoid duplicated name and ease debugging.

Cc: Michael S. Tsirkin <address@hidden>
Cc: Paolo Bonzini <address@hidden>
Cc: Richard Henderson <address@hidden>
Cc: Eduardo Habkost <address@hidden>
Acked-by: Peter Xu <address@hidden>
Signed-off-by: Jason Wang <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
 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 119217b..0dd1c8f 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -2344,6 +2344,7 @@ 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() */
@@ -2357,6 +2358,7 @@ 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;
@@ -2371,7 +2373,7 @@ 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;
 }
-- 
MST




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