From: Julien Thierry <julien.thierry@xxxxxxx>
vgic_irq->irq_lock must always be taken with interrupts disabled as
it is used in interrupt context.
For configurations such as PREEMPT_RT_FULL, this means that it should
be a raw_spinlock since RT spinlocks are interruptible.
Signed-off-by: Julien Thierry <julien.thierry at arm.com>
Acked-by: Christoffer Dall <christoffer.dall at arm.com>
Acked-by: Marc Zyngier <marc.zyngier at arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall at arm.com>
---
include/kvm/arm_vgic.h | 2 +-
virt/kvm/arm/vgic/vgic-debug.c | 4 +-
virt/kvm/arm/vgic/vgic-init.c | 4 +-
virt/kvm/arm/vgic/vgic-its.c | 14 +++----
virt/kvm/arm/vgic/vgic-mmio-v2.c | 14 +++----
virt/kvm/arm/vgic/vgic-mmio-v3.c | 12 +++---
virt/kvm/arm/vgic/vgic-mmio.c | 34 +++++++--------
virt/kvm/arm/vgic/vgic-v2.c | 4 +-
virt/kvm/arm/vgic/vgic-v3.c | 8 ++--
virt/kvm/arm/vgic/vgic.c | 71 ++++++++++++++++----------------
10 files changed, 83 insertions(+), 84 deletions(-)
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 4f31f96bbfab..b5426052152e 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -100,7 +100,7 @@ enum vgic_irq_config {
};
struct vgic_irq {
- spinlock_t irq_lock; /* Protects the content of the struct */
+ raw_spinlock_t irq_lock; /* Protects the content of the struct */
struct list_head lpi_list; /* Used to link all LPIs together */
struct list_head ap_list;
diff --git a/virt/kvm/arm/vgic/vgic-debug.c b/virt/kvm/arm/vgic/vgic-debug.c
index 07aa900bac56..1f62f2b8065d 100644
--- a/virt/kvm/arm/vgic/vgic-debug.c
+++ b/virt/kvm/arm/vgic/vgic-debug.c
@@ -251,9 +251,9 @@ static int vgic_debug_show(struct seq_file *s, void *v)
return 0;
}
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
print_irq_state(s, irq, vcpu);
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(kvm, irq);
return 0;
diff --git a/virt/kvm/arm/vgic/vgic-init.c b/virt/kvm/arm/vgic/vgic-init.c
index c0c0b88af1d5..1128e97406cf 100644
--- a/virt/kvm/arm/vgic/vgic-init.c
+++ b/virt/kvm/arm/vgic/vgic-init.c
@@ -171,7 +171,7 @@ static int kvm_vgic_dist_init(struct kvm *kvm, unsigned int nr_spis)
irq->intid = i + VGIC_NR_PRIVATE_IRQS;
INIT_LIST_HEAD(&irq->ap_list);
- spin_lock_init(&irq->irq_lock);
+ raw_spin_lock_init(&irq->irq_lock);
irq->vcpu = NULL;
irq->target_vcpu = vcpu0;
kref_init(&irq->refcount);
@@ -216,7 +216,7 @@ int kvm_vgic_vcpu_init(struct kvm_vcpu *vcpu)
struct vgic_irq *irq = &vgic_cpu->private_irqs[i];
INIT_LIST_HEAD(&irq->ap_list);
- spin_lock_init(&irq->irq_lock);
+ raw_spin_lock_init(&irq->irq_lock);
irq->intid = i;
irq->vcpu = NULL;
irq->target_vcpu = vcpu;
diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c
index eb2a390a6c86..911ba61505ee 100644
--- a/virt/kvm/arm/vgic/vgic-its.c
+++ b/virt/kvm/arm/vgic/vgic-its.c
@@ -65,7 +65,7 @@ static struct vgic_irq *vgic_add_lpi(struct kvm *kvm, u32 intid,
INIT_LIST_HEAD(&irq->lpi_list);
INIT_LIST_HEAD(&irq->ap_list);
- spin_lock_init(&irq->irq_lock);
+ raw_spin_lock_init(&irq->irq_lock);
irq->config = VGIC_CONFIG_EDGE;
kref_init(&irq->refcount);
@@ -287,7 +287,7 @@ static int update_lpi_config(struct kvm *kvm, struct vgic_irq *irq,
if (ret)
return ret;
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
if (!filter_vcpu || filter_vcpu == irq->target_vcpu) {
irq->priority = LPI_PROP_PRIORITY(prop);
@@ -299,7 +299,7 @@ static int update_lpi_config(struct kvm *kvm, struct vgic_irq *irq,
}
}
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
if (irq->hw)
return its_prop_update_vlpi(irq->host_irq, prop, needs_inv);
@@ -352,9 +352,9 @@ static int update_affinity(struct vgic_irq *irq, struct kvm_vcpu *vcpu)
int ret = 0;
unsigned long flags;
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
irq->target_vcpu = vcpu;
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
if (irq->hw) {
struct its_vlpi_map map;
@@ -455,7 +455,7 @@ static int its_sync_lpi_pending_table(struct kvm_vcpu *vcpu)
}
irq = vgic_get_irq(vcpu->kvm, NULL, intids[i]);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
irq->pending_latch = pendmask & (1U << bit_nr);
vgic_queue_irq_unlock(vcpu->kvm, irq, flags);
vgic_put_irq(vcpu->kvm, irq);
@@ -612,7 +612,7 @@ static int vgic_its_trigger_msi(struct kvm *kvm, struct vgic_its *its,
return irq_set_irqchip_state(irq->host_irq,
IRQCHIP_STATE_PENDING, true);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
irq->pending_latch = true;
vgic_queue_irq_unlock(kvm, irq, flags);
diff --git a/virt/kvm/arm/vgic/vgic-mmio-v2.c b/virt/kvm/arm/vgic/vgic-mmio-v2.c
index 738b65d2d0e7..b535fffc7400 100644
--- a/virt/kvm/arm/vgic/vgic-mmio-v2.c
+++ b/virt/kvm/arm/vgic/vgic-mmio-v2.c
@@ -147,7 +147,7 @@ static void vgic_mmio_write_sgir(struct kvm_vcpu *source_vcpu,
irq = vgic_get_irq(source_vcpu->kvm, vcpu, intid);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
irq->pending_latch = true;
irq->source |= 1U << source_vcpu->vcpu_id;
@@ -191,13 +191,13 @@ static void vgic_mmio_write_target(struct kvm_vcpu *vcpu,
struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, NULL, intid + i);
int target;
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
irq->targets = (val >> (i * 8)) & cpu_mask;
target = irq->targets ? __ffs(irq->targets) : 0;
irq->target_vcpu = kvm_get_vcpu(vcpu->kvm, target);
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(vcpu->kvm, irq);
}
}
@@ -230,13 +230,13 @@ static void vgic_mmio_write_sgipendc(struct kvm_vcpu *vcpu,
for (i = 0; i < len; i++) {
struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
irq->source &= ~((val >> (i * 8)) & 0xff);
if (!irq->source)
irq->pending_latch = false;
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(vcpu->kvm, irq);
}
}
@@ -252,7 +252,7 @@ static void vgic_mmio_write_sgipends(struct kvm_vcpu *vcpu,
for (i = 0; i < len; i++) {
struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
irq->source |= (val >> (i * 8)) & 0xff;
@@ -260,7 +260,7 @@ static void vgic_mmio_write_sgipends(struct kvm_vcpu *vcpu,
irq->pending_latch = true;
vgic_queue_irq_unlock(vcpu->kvm, irq, flags);
} else {
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
}
vgic_put_irq(vcpu->kvm, irq);
}
diff --git a/virt/kvm/arm/vgic/vgic-mmio-v3.c b/virt/kvm/arm/vgic/vgic-mmio-v3.c
index b3d1f0985117..4a12322bf7df 100644
--- a/virt/kvm/arm/vgic/vgic-mmio-v3.c
+++ b/virt/kvm/arm/vgic/vgic-mmio-v3.c
@@ -169,13 +169,13 @@ static void vgic_mmio_write_irouter(struct kvm_vcpu *vcpu,
if (!irq)
return;
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
/* We only care about and preserve Aff0, Aff1 and Aff2. */
irq->mpidr = val & GENMASK(23, 0);
irq->target_vcpu = kvm_mpidr_to_vcpu(vcpu->kvm, irq->mpidr);
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(vcpu->kvm, irq);
}
@@ -281,7 +281,7 @@ static int vgic_v3_uaccess_write_pending(struct kvm_vcpu *vcpu,
for (i = 0; i < len * 8; i++) {
struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
if (test_bit(i, &val)) {
/*
* pending_latch is set irrespective of irq type
@@ -292,7 +292,7 @@ static int vgic_v3_uaccess_write_pending(struct kvm_vcpu *vcpu,
vgic_queue_irq_unlock(vcpu->kvm, irq, flags);
} else {
irq->pending_latch = false;
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
}
vgic_put_irq(vcpu->kvm, irq);
@@ -957,7 +957,7 @@ void vgic_v3_dispatch_sgi(struct kvm_vcpu *vcpu, u64 reg, bool allow_group1)
irq = vgic_get_irq(vcpu->kvm, c_vcpu, sgi);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
/*
* An access targetting Group0 SGIs can only generate
@@ -968,7 +968,7 @@ void vgic_v3_dispatch_sgi(struct kvm_vcpu *vcpu, u64 reg, bool allow_group1)
irq->pending_latch = true;
vgic_queue_irq_unlock(vcpu->kvm, irq, flags);
} else {
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
}
vgic_put_irq(vcpu->kvm, irq);
diff --git a/virt/kvm/arm/vgic/vgic-mmio.c b/virt/kvm/arm/vgic/vgic-mmio.c
index ceeda7e04a4d..7de42fba05b5 100644
--- a/virt/kvm/arm/vgic/vgic-mmio.c
+++ b/virt/kvm/arm/vgic/vgic-mmio.c
@@ -77,7 +77,7 @@ void vgic_mmio_write_group(struct kvm_vcpu *vcpu, gpa_t addr,
for (i = 0; i < len * 8; i++) {
struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
irq->group = !!(val & BIT(i));
vgic_queue_irq_unlock(vcpu->kvm, irq, flags);
@@ -120,7 +120,7 @@ void vgic_mmio_write_senable(struct kvm_vcpu *vcpu,
for_each_set_bit(i, &val, len * 8) {
struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
irq->enabled = true;
vgic_queue_irq_unlock(vcpu->kvm, irq, flags);
@@ -139,11 +139,11 @@ void vgic_mmio_write_cenable(struct kvm_vcpu *vcpu,
for_each_set_bit(i, &val, len * 8) {
struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
irq->enabled = false;
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(vcpu->kvm, irq);
}
}
@@ -160,10 +160,10 @@ unsigned long vgic_mmio_read_pending(struct kvm_vcpu *vcpu,
struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
unsigned long flags;
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
if (irq_is_pending(irq))
value |= (1U << i);
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(vcpu->kvm, irq);
}
@@ -215,7 +215,7 @@ void vgic_mmio_write_spending(struct kvm_vcpu *vcpu,
for_each_set_bit(i, &val, len * 8) {
struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
if (irq->hw)
vgic_hw_irq_spending(vcpu, irq, is_uaccess);
else
@@ -262,14 +262,14 @@ void vgic_mmio_write_cpending(struct kvm_vcpu *vcpu,
for_each_set_bit(i, &val, len * 8) {
struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
if (irq->hw)
vgic_hw_irq_cpending(vcpu, irq, is_uaccess);
else
irq->pending_latch = false;
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(vcpu->kvm, irq);
}
}
@@ -311,7 +311,7 @@ static void vgic_mmio_change_active(struct kvm_vcpu *vcpu, struct vgic_irq *irq,
unsigned long flags;
struct kvm_vcpu *requester_vcpu = vgic_get_mmio_requester_vcpu();
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
if (irq->hw) {
vgic_hw_irq_change_active(vcpu, irq, active, !requester_vcpu);
@@ -342,7 +342,7 @@ static void vgic_mmio_change_active(struct kvm_vcpu *vcpu, struct vgic_irq *irq,
if (irq->active)
vgic_queue_irq_unlock(vcpu->kvm, irq, flags);
else
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
}
/*
@@ -485,10 +485,10 @@ void vgic_mmio_write_priority(struct kvm_vcpu *vcpu,
for (i = 0; i < len; i++) {
struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
/* Narrow the priority range to what we actually support */
irq->priority = (val >> (i * 8)) & GENMASK(7, 8 - VGIC_PRI_BITS);
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(vcpu->kvm, irq);
}
@@ -534,14 +534,14 @@ void vgic_mmio_write_config(struct kvm_vcpu *vcpu,
continue;
irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
if (test_bit(i * 2 + 1, &val))
irq->config = VGIC_CONFIG_EDGE;
else
irq->config = VGIC_CONFIG_LEVEL;
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(vcpu->kvm, irq);
}
}
@@ -590,12 +590,12 @@ void vgic_write_irq_line_level_info(struct kvm_vcpu *vcpu, u32 intid,
* restore irq config before line level.
*/
new_level = !!(val & (1U << i));
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
irq->line_level = new_level;
if (new_level)
vgic_queue_irq_unlock(vcpu->kvm, irq, flags);
else
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(vcpu->kvm, irq);
}
diff --git a/virt/kvm/arm/vgic/vgic-v2.c b/virt/kvm/arm/vgic/vgic-v2.c
index 69b892abd7dc..d91a8938aa7c 100644
--- a/virt/kvm/arm/vgic/vgic-v2.c
+++ b/virt/kvm/arm/vgic/vgic-v2.c
@@ -84,7 +84,7 @@ void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu)
irq = vgic_get_irq(vcpu->kvm, vcpu, intid);
- spin_lock(&irq->irq_lock);
+ raw_spin_lock(&irq->irq_lock);
/* Always preserve the active bit */
irq->active = !!(val & GICH_LR_ACTIVE_BIT);
@@ -127,7 +127,7 @@ void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu)
vgic_irq_set_phys_active(irq, false);
}
- spin_unlock(&irq->irq_lock);
+ raw_spin_unlock(&irq->irq_lock);
vgic_put_irq(vcpu->kvm, irq);
}
diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c
index 9c0dd234ebe8..4ee0aeb9a905 100644
--- a/virt/kvm/arm/vgic/vgic-v3.c
+++ b/virt/kvm/arm/vgic/vgic-v3.c
@@ -76,7 +76,7 @@ void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu)
if (!irq) /* An LPI could have been unmapped. */
continue;
- spin_lock(&irq->irq_lock);
+ raw_spin_lock(&irq->irq_lock);
/* Always preserve the active bit */
irq->active = !!(val & ICH_LR_ACTIVE_BIT);
@@ -119,7 +119,7 @@ void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu)
vgic_irq_set_phys_active(irq, false);
}
- spin_unlock(&irq->irq_lock);
+ raw_spin_unlock(&irq->irq_lock);
vgic_put_irq(vcpu->kvm, irq);
}
@@ -347,9 +347,9 @@ int vgic_v3_lpi_sync_pending_status(struct kvm *kvm, struct vgic_irq *irq)
status = val & (1 << bit_nr);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
if (irq->target_vcpu != vcpu) {
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
goto retry;
}
irq->pending_latch = status;
diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c
index 870b1185173b..bc36f2e68f5a 100644
--- a/virt/kvm/arm/vgic/vgic.c
+++ b/virt/kvm/arm/vgic/vgic.c
@@ -244,8 +244,8 @@ static int vgic_irq_cmp(void *priv, struct list_head *a, struct list_head *b)
bool penda, pendb;
int ret;
- spin_lock(&irqa->irq_lock);
- spin_lock_nested(&irqb->irq_lock, SINGLE_DEPTH_NESTING);
+ raw_spin_lock(&irqa->irq_lock);
+ raw_spin_lock_nested(&irqb->irq_lock, SINGLE_DEPTH_NESTING);
if (irqa->active || irqb->active) {
ret = (int)irqb->active - (int)irqa->active;
@@ -263,8 +263,8 @@ static int vgic_irq_cmp(void *priv, struct list_head *a, struct list_head *b)
/* Both pending and enabled, sort by priority */
ret = irqa->priority - irqb->priority;
out:
- spin_unlock(&irqb->irq_lock);
- spin_unlock(&irqa->irq_lock);
+ raw_spin_unlock(&irqb->irq_lock);
+ raw_spin_unlock(&irqa->irq_lock);
return ret;
}
@@ -325,7 +325,7 @@ bool vgic_queue_irq_unlock(struct kvm *kvm, struct vgic_irq *irq,
* not need to be inserted into an ap_list and there is also
* no more work for us to do.
*/
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
/*
* We have to kick the VCPU here, because we could be
@@ -347,12 +347,12 @@ bool vgic_queue_irq_unlock(struct kvm *kvm, struct vgic_irq *irq,
* We must unlock the irq lock to take the ap_list_lock where
* we are going to insert this new pending interrupt.
*/
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
/* someone can do stuff here, which we re-check below */
spin_lock_irqsave(&vcpu->arch.vgic_cpu.ap_list_lock, flags);
- spin_lock(&irq->irq_lock);
+ raw_spin_lock(&irq->irq_lock);
/*
* Did something change behind our backs?
@@ -367,10 +367,10 @@ bool vgic_queue_irq_unlock(struct kvm *kvm, struct vgic_irq *irq,
*/
if (unlikely(irq->vcpu || vcpu != vgic_target_oracle(irq))) {
- spin_unlock(&irq->irq_lock);
+ raw_spin_unlock(&irq->irq_lock);
spin_unlock_irqrestore(&vcpu->arch.vgic_cpu.ap_list_lock, flags);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
goto retry;
}
@@ -382,7 +382,7 @@ bool vgic_queue_irq_unlock(struct kvm *kvm, struct vgic_irq *irq,
list_add_tail(&irq->ap_list, &vcpu->arch.vgic_cpu.ap_list_head);
irq->vcpu = vcpu;
- spin_unlock(&irq->irq_lock);
+ raw_spin_unlock(&irq->irq_lock);
spin_unlock_irqrestore(&vcpu->arch.vgic_cpu.ap_list_lock, flags);
kvm_make_request(KVM_REQ_IRQ_PENDING, vcpu);
@@ -430,11 +430,11 @@ int kvm_vgic_inject_irq(struct kvm *kvm, int cpuid, unsigned int intid,
if (!irq)
return -EINVAL;
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
if (!vgic_validate_injection(irq, level, owner)) {
/* Nothing to see here, move along... */
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(kvm, irq);
return 0;
}
@@ -494,9 +494,9 @@ int kvm_vgic_map_phys_irq(struct kvm_vcpu *vcpu, unsigned int host_irq,
BUG_ON(!irq);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
ret = kvm_vgic_map_irq(vcpu, irq, host_irq, get_input_level);
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(vcpu->kvm, irq);
return ret;
@@ -519,11 +519,11 @@ void kvm_vgic_reset_mapped_irq(struct kvm_vcpu *vcpu, u32 vintid)
if (!irq->hw)
goto out;
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
irq->active = false;
irq->pending_latch = false;
irq->line_level = false;
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
out:
vgic_put_irq(vcpu->kvm, irq);
}
@@ -539,9 +539,9 @@ int kvm_vgic_unmap_phys_irq(struct kvm_vcpu *vcpu, unsigned int vintid)
irq = vgic_get_irq(vcpu->kvm, vcpu, vintid);
BUG_ON(!irq);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
kvm_vgic_unmap_irq(irq);
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(vcpu->kvm, irq);
return 0;
@@ -571,12 +571,12 @@ int kvm_vgic_set_owner(struct kvm_vcpu *vcpu, unsigned int intid, void *owner)
return -EINVAL;
irq = vgic_get_irq(vcpu->kvm, vcpu, intid);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
if (irq->owner && irq->owner != owner)
ret = -EEXIST;
else
irq->owner = owner;
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
return ret;
}
@@ -603,7 +603,7 @@ static void vgic_prune_ap_list(struct kvm_vcpu *vcpu)
struct kvm_vcpu *target_vcpu, *vcpuA, *vcpuB;
bool target_vcpu_needs_kick = false;
- spin_lock(&irq->irq_lock);
+ raw_spin_lock(&irq->irq_lock);
BUG_ON(vcpu != irq->vcpu);
@@ -616,7 +616,7 @@ static void vgic_prune_ap_list(struct kvm_vcpu *vcpu)
*/
list_del(&irq->ap_list);
irq->vcpu = NULL;
- spin_unlock(&irq->irq_lock);
+ raw_spin_unlock(&irq->irq_lock);
/*
* This vgic_put_irq call matches the
@@ -631,13 +631,13 @@ static void vgic_prune_ap_list(struct kvm_vcpu *vcpu)
if (target_vcpu == vcpu) {
/* We're on the right CPU */
- spin_unlock(&irq->irq_lock);
+ raw_spin_unlock(&irq->irq_lock);
continue;
}
/* This interrupt looks like it has to be migrated. */
- spin_unlock(&irq->irq_lock);
+ raw_spin_unlock(&irq->irq_lock);
spin_unlock(&vgic_cpu->ap_list_lock);
/*
@@ -655,7 +655,7 @@ static void vgic_prune_ap_list(struct kvm_vcpu *vcpu)
spin_lock(&vcpuA->arch.vgic_cpu.ap_list_lock);
spin_lock_nested(&vcpuB->arch.vgic_cpu.ap_list_lock,
SINGLE_DEPTH_NESTING);
- spin_lock(&irq->irq_lock);
+ raw_spin_lock(&irq->irq_lock);
/*
* If the affinity has been preserved, move the
@@ -675,7 +675,7 @@ static void vgic_prune_ap_list(struct kvm_vcpu *vcpu)
target_vcpu_needs_kick = true;
}
- spin_unlock(&irq->irq_lock);
+ raw_spin_unlock(&irq->irq_lock);
spin_unlock(&vcpuB->arch.vgic_cpu.ap_list_lock);
spin_unlock(&vcpuA->arch.vgic_cpu.ap_list_lock);
@@ -741,10 +741,10 @@ static int compute_ap_list_depth(struct kvm_vcpu *vcpu,
list_for_each_entry(irq, &vgic_cpu->ap_list_head, ap_list) {
int w;
- spin_lock(&irq->irq_lock);
+ raw_spin_lock(&irq->irq_lock);
/* GICv2 SGIs can count for more than one... */
w = vgic_irq_get_lr_count(irq);
- spin_unlock(&irq->irq_lock);
+ raw_spin_unlock(&irq->irq_lock);
count += w;
*multi_sgi |= (w > 1);
@@ -770,7 +770,7 @@ static void vgic_flush_lr_state(struct kvm_vcpu *vcpu)
count = 0;
list_for_each_entry(irq, &vgic_cpu->ap_list_head, ap_list) {
- spin_lock(&irq->irq_lock);
+ raw_spin_lock(&irq->irq_lock);
/*
* If we have multi-SGIs in the pipeline, we need to
@@ -780,7 +780,7 @@ static void vgic_flush_lr_state(struct kvm_vcpu *vcpu)
* the AP list has been sorted already.
*/
if (multi_sgi && irq->priority > prio) {
- spin_unlock(&irq->irq_lock);
+ _raw_spin_unlock(&irq->irq_lock);
break;
}
@@ -791,7 +791,7 @@ static void vgic_flush_lr_state(struct kvm_vcpu *vcpu)
prio = irq->priority;
}
- spin_unlock(&irq->irq_lock);
+ raw_spin_unlock(&irq->irq_lock);
if (count == kvm_vgic_global_state.nr_lr) {
if (!list_is_last(&irq->ap_list,
@@ -921,11 +921,11 @@ int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu)
spin_lock_irqsave(&vgic_cpu->ap_list_lock, flags);
list_for_each_entry(irq, &vgic_cpu->ap_list_head, ap_list) {
- spin_lock(&irq->irq_lock);
+ raw_spin_lock(&irq->irq_lock);
pending = irq_is_pending(irq) && irq->enabled &&
!irq->active &&
irq->priority < vmcr.pmr;
- spin_unlock(&irq->irq_lock);
+ raw_spin_unlock(&irq->irq_lock);
if (pending)
break;
@@ -963,11 +963,10 @@ bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, unsigned int vintid)
return false;
irq = vgic_get_irq(vcpu->kvm, vcpu, vintid);
- spin_lock_irqsave(&irq->irq_lock, flags);
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
map_is_active = irq->hw && irq->active;
- spin_unlock_irqrestore(&irq->irq_lock, flags);
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(vcpu->kvm, irq);
return map_is_active;
}
-
--
2.20.1
