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-rw-r--r--arch/arm64/kvm/vgic/vgic-its.c13
-rw-r--r--arch/arm64/kvm/vgic/vgic.h14
-rw-r--r--include/kvm/arm_vgic.h2
3 files changed, 20 insertions, 9 deletions
diff --git a/arch/arm64/kvm/vgic/vgic-its.c b/arch/arm64/kvm/vgic/vgic-its.c
index 94a666dd1443..2642e9ce2819 100644
--- a/arch/arm64/kvm/vgic/vgic-its.c
+++ b/arch/arm64/kvm/vgic/vgic-its.c
@@ -2187,7 +2187,7 @@ static int vgic_its_save_ite(struct vgic_its *its, struct its_device *dev,
((u64)ite->irq->intid << KVM_ITS_ITE_PINTID_SHIFT) |
ite->collection->collection_id;
val = cpu_to_le64(val);
- return kvm_write_guest_lock(kvm, gpa, &val, ite_esz);
+ return vgic_write_guest_lock(kvm, gpa, &val, ite_esz);
}
/**
@@ -2339,7 +2339,7 @@ static int vgic_its_save_dte(struct vgic_its *its, struct its_device *dev,
(itt_addr_field << KVM_ITS_DTE_ITTADDR_SHIFT) |
(dev->num_eventid_bits - 1));
val = cpu_to_le64(val);
- return kvm_write_guest_lock(kvm, ptr, &val, dte_esz);
+ return vgic_write_guest_lock(kvm, ptr, &val, dte_esz);
}
/**
@@ -2526,7 +2526,7 @@ static int vgic_its_save_cte(struct vgic_its *its,
((u64)collection->target_addr << KVM_ITS_CTE_RDBASE_SHIFT) |
collection->collection_id);
val = cpu_to_le64(val);
- return kvm_write_guest_lock(its->dev->kvm, gpa, &val, esz);
+ return vgic_write_guest_lock(its->dev->kvm, gpa, &val, esz);
}
/*
@@ -2607,7 +2607,7 @@ static int vgic_its_save_collection_table(struct vgic_its *its)
*/
val = 0;
BUG_ON(cte_esz > sizeof(val));
- ret = kvm_write_guest_lock(its->dev->kvm, gpa, &val, cte_esz);
+ ret = vgic_write_guest_lock(its->dev->kvm, gpa, &val, cte_esz);
return ret;
}
@@ -2743,7 +2743,6 @@ static int vgic_its_has_attr(struct kvm_device *dev,
static int vgic_its_ctrl(struct kvm *kvm, struct vgic_its *its, u64 attr)
{
const struct vgic_its_abi *abi = vgic_its_get_abi(its);
- struct vgic_dist *dist = &kvm->arch.vgic;
int ret = 0;
if (attr == KVM_DEV_ARM_VGIC_CTRL_INIT) /* Nothing to do */
@@ -2763,9 +2762,7 @@ static int vgic_its_ctrl(struct kvm *kvm, struct vgic_its *its, u64 attr)
vgic_its_reset(kvm, its);
break;
case KVM_DEV_ARM_ITS_SAVE_TABLES:
- dist->save_its_tables_in_progress = true;
ret = abi->save_tables(its);
- dist->save_its_tables_in_progress = false;
break;
case KVM_DEV_ARM_ITS_RESTORE_TABLES:
ret = abi->restore_tables(its);
@@ -2792,7 +2789,7 @@ bool kvm_arch_allow_write_without_running_vcpu(struct kvm *kvm)
{
struct vgic_dist *dist = &kvm->arch.vgic;
- return dist->save_its_tables_in_progress;
+ return dist->table_write_in_progress;
}
static int vgic_its_set_attr(struct kvm_device *dev,
diff --git a/arch/arm64/kvm/vgic/vgic.h b/arch/arm64/kvm/vgic/vgic.h
index 23e280fa0a16..7f7f3c5ed85a 100644
--- a/arch/arm64/kvm/vgic/vgic.h
+++ b/arch/arm64/kvm/vgic/vgic.h
@@ -6,6 +6,7 @@
#define __KVM_ARM_VGIC_NEW_H__
#include <linux/irqchip/arm-gic-common.h>
+#include <asm/kvm_mmu.h>
#define PRODUCT_ID_KVM 0x4b /* ASCII code K */
#define IMPLEMENTER_ARM 0x43b
@@ -131,6 +132,19 @@ static inline bool vgic_irq_is_multi_sgi(struct vgic_irq *irq)
return vgic_irq_get_lr_count(irq) > 1;
}
+static inline int vgic_write_guest_lock(struct kvm *kvm, gpa_t gpa,
+ const void *data, unsigned long len)
+{
+ struct vgic_dist *dist = &kvm->arch.vgic;
+ int ret;
+
+ dist->table_write_in_progress = true;
+ ret = kvm_write_guest_lock(kvm, gpa, data, len);
+ dist->table_write_in_progress = false;
+
+ return ret;
+}
+
/*
* This struct provides an intermediate representation of the fields contained
* in the GICH_VMCR and ICH_VMCR registers, such that code exporting the GIC
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 9270cd87da3f..6470f67e63c4 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -263,7 +263,7 @@ struct vgic_dist {
struct vgic_io_device dist_iodev;
bool has_its;
- bool save_its_tables_in_progress;
+ bool table_write_in_progress;
/*
* Contains the attributes and gpa of the LPI configuration table.