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-rw-r--r--include/kvm/arm_vgic.h3
-rw-r--r--virt/kvm/arm/hyp/vgic-v2-sr.c12
-rw-r--r--virt/kvm/arm/vgic-v2.c4
-rw-r--r--virt/kvm/arm/vgic.c12
4 files changed, 12 insertions, 19 deletions
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 3e17fb4e64b7..67a66371356d 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -304,9 +304,6 @@ struct vgic_cpu {
unsigned long *active_shared;
unsigned long *pend_act_shared;
- /* Number of list registers on this CPU */
- int nr_lr;
-
/* CPU vif control registers for world switch */
union {
struct vgic_v2_cpu_if vgic_v2;
diff --git a/virt/kvm/arm/hyp/vgic-v2-sr.c b/virt/kvm/arm/hyp/vgic-v2-sr.c
index 674bdf8ecf4f..caac41f48815 100644
--- a/virt/kvm/arm/hyp/vgic-v2-sr.c
+++ b/virt/kvm/arm/hyp/vgic-v2-sr.c
@@ -21,11 +21,13 @@
#include <asm/kvm_hyp.h>
+extern struct vgic_params vgic_v2_params;
+
static void __hyp_text save_maint_int_state(struct kvm_vcpu *vcpu,
void __iomem *base)
{
struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2;
- int nr_lr = vcpu->arch.vgic_cpu.nr_lr;
+ int nr_lr = (kern_hyp_va(&vgic_v2_params))->nr_lr;
u32 eisr0, eisr1;
int i;
bool expect_mi;
@@ -67,7 +69,7 @@ static void __hyp_text save_maint_int_state(struct kvm_vcpu *vcpu,
static void __hyp_text save_elrsr(struct kvm_vcpu *vcpu, void __iomem *base)
{
struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2;
- int nr_lr = vcpu->arch.vgic_cpu.nr_lr;
+ int nr_lr = (kern_hyp_va(&vgic_v2_params))->nr_lr;
u32 elrsr0, elrsr1;
elrsr0 = readl_relaxed(base + GICH_ELRSR0);
@@ -86,7 +88,7 @@ static void __hyp_text save_elrsr(struct kvm_vcpu *vcpu, void __iomem *base)
static void __hyp_text save_lrs(struct kvm_vcpu *vcpu, void __iomem *base)
{
struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2;
- int nr_lr = vcpu->arch.vgic_cpu.nr_lr;
+ int nr_lr = (kern_hyp_va(&vgic_v2_params))->nr_lr;
int i;
for (i = 0; i < nr_lr; i++) {
@@ -141,13 +143,13 @@ void __hyp_text __vgic_v2_restore_state(struct kvm_vcpu *vcpu)
struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2;
struct vgic_dist *vgic = &kvm->arch.vgic;
void __iomem *base = kern_hyp_va(vgic->vctrl_base);
- int i, nr_lr;
+ int nr_lr = (kern_hyp_va(&vgic_v2_params))->nr_lr;
+ int i;
u64 live_lrs = 0;
if (!base)
return;
- nr_lr = vcpu->arch.vgic_cpu.nr_lr;
for (i = 0; i < nr_lr; i++)
if (cpu_if->vgic_lr[i] & GICH_LR_STATE)
diff --git a/virt/kvm/arm/vgic-v2.c b/virt/kvm/arm/vgic-v2.c
index 7e826c9b2b0a..334cd7a89106 100644
--- a/virt/kvm/arm/vgic-v2.c
+++ b/virt/kvm/arm/vgic-v2.c
@@ -171,7 +171,7 @@ static const struct vgic_ops vgic_v2_ops = {
.enable = vgic_v2_enable,
};
-static struct vgic_params vgic_v2_params;
+struct vgic_params __section(.hyp.text) vgic_v2_params;
static void vgic_cpu_init_lrs(void *params)
{
@@ -201,6 +201,8 @@ int vgic_v2_probe(const struct gic_kvm_info *gic_kvm_info,
const struct resource *vctrl_res = &gic_kvm_info->vctrl;
const struct resource *vcpu_res = &gic_kvm_info->vcpu;
+ memset(vgic, 0, sizeof(*vgic));
+
if (!gic_kvm_info->maint_irq) {
kvm_err("error getting vgic maintenance irq\n");
ret = -ENXIO;
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index 91d42a8a5f72..f76bb6407243 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -690,12 +690,11 @@ bool vgic_handle_cfg_reg(u32 *reg, struct kvm_exit_mmio *mmio,
*/
void vgic_unqueue_irqs(struct kvm_vcpu *vcpu)
{
- struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu;
u64 elrsr = vgic_get_elrsr(vcpu);
unsigned long *elrsr_ptr = u64_to_bitmask(&elrsr);
int i;
- for_each_clear_bit(i, elrsr_ptr, vgic_cpu->nr_lr) {
+ for_each_clear_bit(i, elrsr_ptr, vgic->nr_lr) {
struct vgic_lr lr = vgic_get_lr(vcpu, i);
/*
@@ -1106,7 +1105,7 @@ bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, unsigned int virt_irq)
{
int i;
- for (i = 0; i < vcpu->arch.vgic_cpu.nr_lr; i++) {
+ for (i = 0; i < vgic->nr_lr; i++) {
struct vgic_lr vlr = vgic_get_lr(vcpu, i);
if (vlr.irq == virt_irq && vlr.state & LR_STATE_ACTIVE)
@@ -1866,13 +1865,6 @@ static int vgic_vcpu_init_maps(struct kvm_vcpu *vcpu, int nr_irqs)
return -ENOMEM;
}
- /*
- * Store the number of LRs per vcpu, so we don't have to go
- * all the way to the distributor structure to find out. Only
- * assembly code should use this one.
- */
- vgic_cpu->nr_lr = vgic->nr_lr;
-
return 0;
}