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-rw-r--r--include/kvm/arm_vgic.h2
-rw-r--r--virt/kvm/arm/hyp/vgic-v2-sr.c28
-rw-r--r--virt/kvm/arm/hyp/vgic-v3-sr.c6
-rw-r--r--virt/kvm/arm/vgic/vgic-v2.c1
-rw-r--r--virt/kvm/arm/vgic/vgic-v3.c1
5 files changed, 10 insertions, 28 deletions
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index cdbd142ca7f2..ac98ae46bfb7 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -263,7 +263,6 @@ struct vgic_dist {
struct vgic_v2_cpu_if {
u32 vgic_hcr;
u32 vgic_vmcr;
- u64 vgic_elrsr; /* Saved only */
u32 vgic_apr;
u32 vgic_lr[VGIC_V2_MAX_LRS];
};
@@ -272,7 +271,6 @@ struct vgic_v3_cpu_if {
u32 vgic_hcr;
u32 vgic_vmcr;
u32 vgic_sre; /* Restored only, change ignored */
- u32 vgic_elrsr; /* Saved only */
u32 vgic_ap0r[4];
u32 vgic_ap1r[4];
u64 vgic_lr[VGIC_V3_MAX_LRS];
diff --git a/virt/kvm/arm/hyp/vgic-v2-sr.c b/virt/kvm/arm/hyp/vgic-v2-sr.c
index 4fe6e797e8b3..a91b0d2b9249 100644
--- a/virt/kvm/arm/hyp/vgic-v2-sr.c
+++ b/virt/kvm/arm/hyp/vgic-v2-sr.c
@@ -23,29 +23,19 @@
#include <asm/kvm_hyp.h>
#include <asm/kvm_mmu.h>
-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 = (kern_hyp_va(&kvm_vgic_global_state))->nr_lr;
- u32 elrsr0, elrsr1;
-
- elrsr0 = readl_relaxed(base + GICH_ELRSR0);
- if (unlikely(nr_lr > 32))
- elrsr1 = readl_relaxed(base + GICH_ELRSR1);
- else
- elrsr1 = 0;
-
- cpu_if->vgic_elrsr = ((u64)elrsr1 << 32) | elrsr0;
-}
-
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 i;
u64 used_lrs = vcpu->arch.vgic_cpu.used_lrs;
+ u64 elrsr;
+ int i;
+
+ elrsr = readl_relaxed(base + GICH_ELRSR0);
+ if (unlikely(used_lrs > 32))
+ elrsr |= ((u64)readl_relaxed(base + GICH_ELRSR1)) << 32;
for (i = 0; i < used_lrs; i++) {
- if (cpu_if->vgic_elrsr & (1UL << i))
+ if (elrsr & (1UL << i))
cpu_if->vgic_lr[i] &= ~GICH_LR_STATE;
else
cpu_if->vgic_lr[i] = readl_relaxed(base + GICH_LR0 + (i * 4));
@@ -68,13 +58,9 @@ void __hyp_text __vgic_v2_save_state(struct kvm_vcpu *vcpu)
if (used_lrs) {
cpu_if->vgic_apr = readl_relaxed(base + GICH_APR);
-
- save_elrsr(vcpu, base);
save_lrs(vcpu, base);
-
writel_relaxed(0, base + GICH_HCR);
} else {
- cpu_if->vgic_elrsr = ~0UL;
cpu_if->vgic_apr = 0;
}
}
diff --git a/virt/kvm/arm/hyp/vgic-v3-sr.c b/virt/kvm/arm/hyp/vgic-v3-sr.c
index f5c3d6d7019e..9abf2f3c12b5 100644
--- a/virt/kvm/arm/hyp/vgic-v3-sr.c
+++ b/virt/kvm/arm/hyp/vgic-v3-sr.c
@@ -222,15 +222,16 @@ void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu)
if (used_lrs) {
int i;
u32 nr_pre_bits;
+ u32 elrsr;
- cpu_if->vgic_elrsr = read_gicreg(ICH_ELSR_EL2);
+ elrsr = read_gicreg(ICH_ELSR_EL2);
write_gicreg(0, ICH_HCR_EL2);
val = read_gicreg(ICH_VTR_EL2);
nr_pre_bits = vtr_to_nr_pre_bits(val);
for (i = 0; i < used_lrs; i++) {
- if (cpu_if->vgic_elrsr & (1 << i))
+ if (elrsr & (1 << i))
cpu_if->vgic_lr[i] &= ~ICH_LR_STATE;
else
cpu_if->vgic_lr[i] = __gic_v3_get_lr(i);
@@ -262,7 +263,6 @@ void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu)
cpu_if->its_vpe.its_vm)
write_gicreg(0, ICH_HCR_EL2);
- cpu_if->vgic_elrsr = 0xffff;
cpu_if->vgic_ap0r[0] = 0;
cpu_if->vgic_ap0r[1] = 0;
cpu_if->vgic_ap0r[2] = 0;
diff --git a/virt/kvm/arm/vgic/vgic-v2.c b/virt/kvm/arm/vgic/vgic-v2.c
index c32d7b93ffd1..bb305d49cfdd 100644
--- a/virt/kvm/arm/vgic/vgic-v2.c
+++ b/virt/kvm/arm/vgic/vgic-v2.c
@@ -265,7 +265,6 @@ void vgic_v2_enable(struct kvm_vcpu *vcpu)
* anyway.
*/
vcpu->arch.vgic_cpu.vgic_v2.vgic_vmcr = 0;
- vcpu->arch.vgic_cpu.vgic_v2.vgic_elrsr = ~0;
/* Get the show on the road... */
vcpu->arch.vgic_cpu.vgic_v2.vgic_hcr = GICH_HCR_EN;
diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c
index 6b329414e57a..b76e21f3e6bd 100644
--- a/virt/kvm/arm/vgic/vgic-v3.c
+++ b/virt/kvm/arm/vgic/vgic-v3.c
@@ -267,7 +267,6 @@ void vgic_v3_enable(struct kvm_vcpu *vcpu)
* anyway.
*/
vgic_v3->vgic_vmcr = 0;
- vgic_v3->vgic_elrsr = ~0;
/*
* If we are emulating a GICv3, we do it in an non-GICv2-compatible