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| author | Christoffer Dall <christoffer.dall@linaro.org> | 2017-12-27 22:51:04 +0300 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2018-03-19 13:53:17 +0300 |
| commit | 6d4bd909645359b0a7619598b9ca7a1353296207 (patch) | |
| tree | 82525a23399cb427f48365ae7112aa1b4cbd633a /arch/arm64/kvm | |
| parent | 00536ec476601a60d976eebf6aeb9633d4fb37d9 (diff) | |
| download | linux-6d4bd909645359b0a7619598b9ca7a1353296207.tar.xz | |
KVM: arm64: Prepare to handle deferred save/restore of ELR_EL1
ELR_EL1 is not used by a VHE host kernel and can be deferred, but we
need to rework the accesses to this register to access the latest value
depending on whether or not guest system registers are loaded on the CPU
or only reside in memory.
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm64/kvm')
| -rw-r--r-- | arch/arm64/kvm/inject_fault.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c index 7f8d2a4e420f..d8e71659ba7e 100644 --- a/arch/arm64/kvm/inject_fault.c +++ b/arch/arm64/kvm/inject_fault.c @@ -67,7 +67,7 @@ static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr bool is_aarch32 = vcpu_mode_is_32bit(vcpu); u32 esr = 0; - *vcpu_elr_el1(vcpu) = *vcpu_pc(vcpu); + vcpu_write_elr_el1(vcpu, *vcpu_pc(vcpu)); *vcpu_pc(vcpu) = get_except_vector(vcpu, except_type_sync); *vcpu_cpsr(vcpu) = PSTATE_FAULT_BITS_64; @@ -102,7 +102,7 @@ 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_elr_el1(vcpu) = *vcpu_pc(vcpu); + vcpu_write_elr_el1(vcpu, *vcpu_pc(vcpu)); *vcpu_pc(vcpu) = get_except_vector(vcpu, except_type_sync); *vcpu_cpsr(vcpu) = PSTATE_FAULT_BITS_64; |