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authorDongjiu Geng <gengdongjiu@huawei.com>2017-10-30 14:05:18 +0800
committerChristoffer Dall <christoffer.dall@linaro.org>2017-11-06 16:23:20 +0100
commita2b83133339067c1b27f902e32506ab2871e2320 (patch)
treedb4b0965ccce89f94ef627bc698bfb03745d7bc2 /arch/arm/include
parent74a64a981662ab34289b3c90f6f964aa38ec1d9f (diff)
KVM: arm/arm64: fix the incompatible matching for external abort
kvm_vcpu_dabt_isextabt() tries to match a full fault syndrome, but calls kvm_vcpu_trap_get_fault_type() that only returns the fault class, thus reducing the scope of the check. This doesn't cause any observable bug yet as we end-up matching a closely related syndrome for which we return the same value. Using kvm_vcpu_trap_get_fault() instead fixes it for good. Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/kvm_emulate.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h
index dcae3970148d..3d22eb87f919 100644
--- a/arch/arm/include/asm/kvm_emulate.h
+++ b/arch/arm/include/asm/kvm_emulate.h
@@ -233,7 +233,7 @@ static inline u8 kvm_vcpu_trap_get_fault_type(struct kvm_vcpu *vcpu)
static inline bool kvm_vcpu_dabt_isextabt(struct kvm_vcpu *vcpu)
{
- switch (kvm_vcpu_trap_get_fault_type(vcpu)) {
+ switch (kvm_vcpu_trap_get_fault(vcpu)) {
case FSC_SEA:
case FSC_SEA_TTW0:
case FSC_SEA_TTW1: