summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/arm/include/asm/kvm_emulate.h11
-rw-r--r--arch/arm64/include/asm/kvm_emulate.h9
-rw-r--r--arch/arm64/kvm/hyp/switch.c2
-rw-r--r--virt/kvm/arm/mmio.c2
-rw-r--r--virt/kvm/arm/mmu.c5
5 files changed, 21 insertions, 8 deletions
diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h
index 7d2ca035d6c8..11d4ff9f3e4d 100644
--- a/arch/arm/include/asm/kvm_emulate.h
+++ b/arch/arm/include/asm/kvm_emulate.h
@@ -216,7 +216,7 @@ static inline int kvm_vcpu_dabt_get_rd(struct kvm_vcpu *vcpu)
return (kvm_vcpu_get_hsr(vcpu) & HSR_SRT_MASK) >> HSR_SRT_SHIFT;
}
-static inline bool kvm_vcpu_dabt_iss1tw(struct kvm_vcpu *vcpu)
+static inline bool kvm_vcpu_abt_iss1tw(const struct kvm_vcpu *vcpu)
{
return kvm_vcpu_get_hsr(vcpu) & HSR_DABT_S1PTW;
}
@@ -248,16 +248,21 @@ static inline bool kvm_vcpu_trap_il_is32bit(struct kvm_vcpu *vcpu)
return kvm_vcpu_get_hsr(vcpu) & HSR_IL;
}
-static inline u8 kvm_vcpu_trap_get_class(struct kvm_vcpu *vcpu)
+static inline u8 kvm_vcpu_trap_get_class(const struct kvm_vcpu *vcpu)
{
return kvm_vcpu_get_hsr(vcpu) >> HSR_EC_SHIFT;
}
-static inline bool kvm_vcpu_trap_is_iabt(struct kvm_vcpu *vcpu)
+static inline bool kvm_vcpu_trap_is_iabt(const struct kvm_vcpu *vcpu)
{
return kvm_vcpu_trap_get_class(vcpu) == HSR_EC_IABT;
}
+static inline bool kvm_vcpu_trap_is_exec_fault(const struct kvm_vcpu *vcpu)
+{
+ return kvm_vcpu_trap_is_iabt(vcpu) && !kvm_vcpu_abt_iss1tw(vcpu);
+}
+
static inline u8 kvm_vcpu_trap_get_fault(struct kvm_vcpu *vcpu)
{
return kvm_vcpu_get_hsr(vcpu) & HSR_FSC;
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index 778cb4f868d9..669c960dd069 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -303,7 +303,7 @@ static inline int kvm_vcpu_dabt_get_rd(const struct kvm_vcpu *vcpu)
return (kvm_vcpu_get_hsr(vcpu) & ESR_ELx_SRT_MASK) >> ESR_ELx_SRT_SHIFT;
}
-static inline bool kvm_vcpu_dabt_iss1tw(const struct kvm_vcpu *vcpu)
+static inline bool kvm_vcpu_abt_iss1tw(const struct kvm_vcpu *vcpu)
{
return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_S1PTW);
}
@@ -311,7 +311,7 @@ static inline bool kvm_vcpu_dabt_iss1tw(const struct kvm_vcpu *vcpu)
static inline bool kvm_vcpu_dabt_iswrite(const struct kvm_vcpu *vcpu)
{
return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_WNR) ||
- kvm_vcpu_dabt_iss1tw(vcpu); /* AF/DBM update */
+ kvm_vcpu_abt_iss1tw(vcpu); /* AF/DBM update */
}
static inline bool kvm_vcpu_dabt_is_cm(const struct kvm_vcpu *vcpu)
@@ -340,6 +340,11 @@ static inline bool kvm_vcpu_trap_is_iabt(const struct kvm_vcpu *vcpu)
return kvm_vcpu_trap_get_class(vcpu) == ESR_ELx_EC_IABT_LOW;
}
+static inline bool kvm_vcpu_trap_is_exec_fault(const struct kvm_vcpu *vcpu)
+{
+ return kvm_vcpu_trap_is_iabt(vcpu) && !kvm_vcpu_abt_iss1tw(vcpu);
+}
+
static inline u8 kvm_vcpu_trap_get_fault(const struct kvm_vcpu *vcpu)
{
return kvm_vcpu_get_hsr(vcpu) & ESR_ELx_FSC;
diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c
index f146bff53edf..15312e429b7d 100644
--- a/arch/arm64/kvm/hyp/switch.c
+++ b/arch/arm64/kvm/hyp/switch.c
@@ -430,7 +430,7 @@ static bool __hyp_text fixup_guest_exit(struct kvm_vcpu *vcpu, u64 *exit_code)
kvm_vcpu_trap_get_fault_type(vcpu) == FSC_FAULT &&
kvm_vcpu_dabt_isvalid(vcpu) &&
!kvm_vcpu_dabt_isextabt(vcpu) &&
- !kvm_vcpu_dabt_iss1tw(vcpu);
+ !kvm_vcpu_abt_iss1tw(vcpu);
if (valid) {
int ret = __vgic_v2_perform_cpuif_access(vcpu);
diff --git a/virt/kvm/arm/mmio.c b/virt/kvm/arm/mmio.c
index 878e0edb2e1b..ff0a1c608371 100644
--- a/virt/kvm/arm/mmio.c
+++ b/virt/kvm/arm/mmio.c
@@ -142,7 +142,7 @@ static int decode_hsr(struct kvm_vcpu *vcpu, bool *is_write, int *len)
bool sign_extend;
bool sixty_four;
- if (kvm_vcpu_dabt_iss1tw(vcpu)) {
+ if (kvm_vcpu_abt_iss1tw(vcpu)) {
/* page table accesses IO mem: tell guest to fix its TTBR */
kvm_inject_dabt(vcpu, kvm_vcpu_get_hfar(vcpu));
return 1;
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c
index 41d6285c3da9..787f7329d1b7 100644
--- a/virt/kvm/arm/mmu.c
+++ b/virt/kvm/arm/mmu.c
@@ -1282,6 +1282,9 @@ static bool transparent_hugepage_adjust(kvm_pfn_t *pfnp, phys_addr_t *ipap)
static bool kvm_is_write_fault(struct kvm_vcpu *vcpu)
{
+ if (kvm_vcpu_abt_iss1tw(vcpu))
+ return true;
+
if (kvm_vcpu_trap_is_iabt(vcpu))
return false;
@@ -1496,7 +1499,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
unsigned long flags = 0;
write_fault = kvm_is_write_fault(vcpu);
- exec_fault = kvm_vcpu_trap_is_iabt(vcpu);
+ exec_fault = kvm_vcpu_trap_is_exec_fault(vcpu);
VM_BUG_ON(write_fault && exec_fault);
if (fault_status == FSC_PERM && !write_fault && !exec_fault) {