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authorMark Brown <broonie@kernel.org>2016-11-04 12:16:38 -0600
committerMark Brown <broonie@kernel.org>2016-11-04 12:16:38 -0600
commitcc9b94029e9ef51787af908e9856b1eed314bc00 (patch)
tree9675310b89d0f6fb1f7bd9423f0638c4ee5226fd /arch/arm64/kvm/inject_fault.c
parent13bed58ce8748d430a26e353a09b89f9d613a71f (diff)
parent1b5b42216469b05ef4b5916cb40b127dfab1da88 (diff)
downloadtalos-op-linux-cc9b94029e9ef51787af908e9856b1eed314bc00.tar.gz
talos-op-linux-cc9b94029e9ef51787af908e9856b1eed314bc00.zip
Merge branch 'topic/error' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-fixed
Diffstat (limited to 'arch/arm64/kvm/inject_fault.c')
-rw-r--r--arch/arm64/kvm/inject_fault.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c
index e9e0e6db73f6..da6a8cfa54a0 100644
--- a/arch/arm64/kvm/inject_fault.c
+++ b/arch/arm64/kvm/inject_fault.c
@@ -132,16 +132,14 @@ static u64 get_except_vector(struct kvm_vcpu *vcpu, enum exception_type type)
static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr)
{
unsigned long cpsr = *vcpu_cpsr(vcpu);
- bool is_aarch32;
+ bool is_aarch32 = vcpu_mode_is_32bit(vcpu);
u32 esr = 0;
- is_aarch32 = vcpu_mode_is_32bit(vcpu);
-
- *vcpu_spsr(vcpu) = cpsr;
*vcpu_elr_el1(vcpu) = *vcpu_pc(vcpu);
-
*vcpu_pc(vcpu) = get_except_vector(vcpu, except_type_sync);
+
*vcpu_cpsr(vcpu) = PSTATE_FAULT_BITS_64;
+ *vcpu_spsr(vcpu) = cpsr;
vcpu_sys_reg(vcpu, FAR_EL1) = addr;
@@ -172,11 +170,11 @@ static void inject_undef64(struct kvm_vcpu *vcpu)
unsigned long cpsr = *vcpu_cpsr(vcpu);
u32 esr = (ESR_ELx_EC_UNKNOWN << ESR_ELx_EC_SHIFT);
- *vcpu_spsr(vcpu) = cpsr;
*vcpu_elr_el1(vcpu) = *vcpu_pc(vcpu);
-
*vcpu_pc(vcpu) = get_except_vector(vcpu, except_type_sync);
+
*vcpu_cpsr(vcpu) = PSTATE_FAULT_BITS_64;
+ *vcpu_spsr(vcpu) = cpsr;
/*
* Build an unknown exception, depending on the instruction
@@ -233,3 +231,15 @@ void kvm_inject_undefined(struct kvm_vcpu *vcpu)
else
inject_undef64(vcpu);
}
+
+/**
+ * kvm_inject_vabt - inject an async abort / SError into the guest
+ * @vcpu: The VCPU to receive the exception
+ *
+ * It is assumed that this code is called from the VCPU thread and that the
+ * VCPU therefore is not currently executing guest code.
+ */
+void kvm_inject_vabt(struct kvm_vcpu *vcpu)
+{
+ vcpu_set_hcr(vcpu, vcpu_get_hcr(vcpu) | HCR_VSE);
+}
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