[Xen-devel] [PATCH 09/12] xen: make need_iommu == 0 if !HAS_PASSTHROUGH

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Cc: keir@xxxxxxx
---
 xen/Rules.mk            |    1 +
 xen/arch/arm/dummy.S    |    2 --
 xen/include/xen/sched.h |    6 ++++++
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/xen/Rules.mk b/xen/Rules.mk
index ee54179..6123835 100644
--- a/xen/Rules.mk
+++ b/xen/Rules.mk
@@ -51,6 +51,7 @@ CFLAGS-$(perfc)         += -DPERF_COUNTERS
 CFLAGS-$(perfc_arrays)  += -DPERF_ARRAYS
 CFLAGS-$(lock_profile)  += -DLOCK_PROFILE
 CFLAGS-$(HAS_ACPI)      += -DHAS_ACPI
+CFLAGS-$(HAS_PASSTHROUGH) += -DHAS_PASSTHROUGH
 CFLAGS-$(frame_pointer) += -fno-omit-frame-pointer -DCONFIG_FRAME_POINTER
 
 ifneq ($(max_phys_cpus),)
diff --git a/xen/arch/arm/dummy.S b/xen/arch/arm/dummy.S
index 5010619..e858613 100644
--- a/xen/arch/arm/dummy.S
+++ b/xen/arch/arm/dummy.S
@@ -27,8 +27,6 @@ DUMMY(gmfn_to_mfn);
 DUMMY(gnttab_clear_flag);
 DUMMY(gnttab_mark_dirty);
 DUMMY(hypercall_create_continuation);
-DUMMY(iommu_map_page);
-DUMMY(iommu_unmap_page);
 DUMMY(is_iomem_page);
 DUMMY(max_page);
 DUMMY(node_online_map);
diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h
index 567cd36..3699929 100644
--- a/xen/include/xen/sched.h
+++ b/xen/include/xen/sched.h
@@ -266,8 +266,10 @@ struct domain
 
     /* Is this an HVM guest? */
     bool_t           is_hvm;
+#ifdef HAS_PASSTHROUGH
     /* Does this guest need iommu mappings? */
     bool_t           need_iommu;
+#endif
     /* Is this guest fully privileged (aka dom0)? */
     bool_t           is_privileged;
     /* Which guest this guest has privileges on */
@@ -687,7 +689,11 @@ void watchdog_domain_destroy(struct domain *d);
 #define is_hvm_vcpu(v)   (is_hvm_domain(v->domain))
 #define is_pinned_vcpu(v) ((v)->domain->is_pinned || \
                            cpumask_weight((v)->cpu_affinity) == 1)
+#ifdef HAS_PASSTHROUGH
 #define need_iommu(d)    ((d)->need_iommu)
+#else
+#define need_iommu(d)    (0)
+#endif
 
 void set_vcpu_migration_delay(unsigned int delay);
 unsigned int get_vcpu_migration_delay(void);
-- 
1.7.2.5


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