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| author | Paolo Bonzini <pbonzini@redhat.com> | 2017-11-02 20:37:42 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-11-02 20:37:42 +0300 |
| commit | b33c87328364e803d74e703d8e47821740dbfa87 (patch) | |
| tree | 24fff32a543e16105f88560aa99c644fdcf34abc /arch/arm/kvm | |
| parent | 4191db26b714e077e6faddd82d575ae4a8ae7d63 (diff) | |
| parent | c2385eaa6c5a87cdc4e04ed589ae103ca3297c84 (diff) | |
| download | linux-b33c87328364e803d74e703d8e47821740dbfa87.tar.xz | |
Merge tag 'kvm-arm-fixes-for-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/ARM Fixes for v4.14
- Fixes a number of issues with saving/restoring the ITS
- Fixes a bug in KVM/ARM when branch profiling is enabled in Hyp mode
- Fixes an emulation bug for 32-bit guests when injecting aborts
- Fixes a failure to check if a kmalloc succeeds in the ITS emulation
Diffstat (limited to 'arch/arm/kvm')
| -rw-r--r-- | arch/arm/kvm/emulate.c | 6 | ||||
| -rw-r--r-- | arch/arm/kvm/hyp/Makefile | 2 |
2 files changed, 3 insertions, 5 deletions
diff --git a/arch/arm/kvm/emulate.c b/arch/arm/kvm/emulate.c index 0064b86a2c87..30a13647c54c 100644 --- a/arch/arm/kvm/emulate.c +++ b/arch/arm/kvm/emulate.c @@ -227,7 +227,7 @@ void kvm_inject_undefined(struct kvm_vcpu *vcpu) u32 return_offset = (is_thumb) ? 2 : 4; kvm_update_psr(vcpu, UND_MODE); - *vcpu_reg(vcpu, 14) = *vcpu_pc(vcpu) - return_offset; + *vcpu_reg(vcpu, 14) = *vcpu_pc(vcpu) + return_offset; /* Branch to exception vector */ *vcpu_pc(vcpu) = exc_vector_base(vcpu) + vect_offset; @@ -239,10 +239,8 @@ void kvm_inject_undefined(struct kvm_vcpu *vcpu) */ static void inject_abt(struct kvm_vcpu *vcpu, bool is_pabt, unsigned long addr) { - unsigned long cpsr = *vcpu_cpsr(vcpu); - bool is_thumb = (cpsr & PSR_T_BIT); u32 vect_offset; - u32 return_offset = (is_thumb) ? 4 : 0; + u32 return_offset = (is_pabt) ? 4 : 8; bool is_lpae; kvm_update_psr(vcpu, ABT_MODE); diff --git a/arch/arm/kvm/hyp/Makefile b/arch/arm/kvm/hyp/Makefile index 8679405b0b2b..92eab1d51785 100644 --- a/arch/arm/kvm/hyp/Makefile +++ b/arch/arm/kvm/hyp/Makefile @@ -2,7 +2,7 @@ # Makefile for Kernel-based Virtual Machine module, HYP part # -ccflags-y += -fno-stack-protector +ccflags-y += -fno-stack-protector -DDISABLE_BRANCH_PROFILING KVM=../../../../virt/kvm |