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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
| commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
| tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /arch/powerpc/kvm/book3s_pr.c | |
| parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) | |
Linux-libre 4.5-gnu
Diffstat (limited to 'arch/powerpc/kvm/book3s_pr.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_pr.c | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index 64891b081..95bceca8f 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -512,7 +512,7 @@ static void kvmppc_patch_dcbz(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte) put_page(hpage); } -static int kvmppc_visible_gpa(struct kvm_vcpu *vcpu, gpa_t gpa) +static bool kvmppc_visible_gpa(struct kvm_vcpu *vcpu, gpa_t gpa) { ulong mp_pa = vcpu->arch.magic_page_pa; @@ -521,7 +521,7 @@ static int kvmppc_visible_gpa(struct kvm_vcpu *vcpu, gpa_t gpa) gpa &= ~0xFFFULL; if (unlikely(mp_pa) && unlikely((mp_pa & KVM_PAM) == (gpa & KVM_PAM))) { - return 1; + return true; } return kvm_is_visible_gfn(vcpu->kvm, gpa >> PAGE_SHIFT); @@ -751,6 +751,7 @@ static int kvmppc_handle_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr, preempt_disable(); enable_kernel_fp(); load_fp_state(&vcpu->arch.fp); + disable_kernel_fp(); t->fp_save_area = &vcpu->arch.fp; preempt_enable(); } @@ -760,6 +761,7 @@ static int kvmppc_handle_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr, preempt_disable(); enable_kernel_altivec(); load_vr_state(&vcpu->arch.vr); + disable_kernel_altivec(); t->vr_save_area = &vcpu->arch.vr; preempt_enable(); #endif @@ -788,6 +790,7 @@ static void kvmppc_handle_lost_ext(struct kvm_vcpu *vcpu) preempt_disable(); enable_kernel_fp(); load_fp_state(&vcpu->arch.fp); + disable_kernel_fp(); preempt_enable(); } #ifdef CONFIG_ALTIVEC @@ -795,6 +798,7 @@ static void kvmppc_handle_lost_ext(struct kvm_vcpu *vcpu) preempt_disable(); enable_kernel_altivec(); load_vr_state(&vcpu->arch.vr); + disable_kernel_altivec(); preempt_enable(); } #endif @@ -1486,21 +1490,8 @@ static int kvmppc_vcpu_run_pr(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) goto out; /* interrupts now hard-disabled */ - /* Save FPU state in thread_struct */ - if (current->thread.regs->msr & MSR_FP) - giveup_fpu(current); - -#ifdef CONFIG_ALTIVEC - /* Save Altivec state in thread_struct */ - if (current->thread.regs->msr & MSR_VEC) - giveup_altivec(current); -#endif - -#ifdef CONFIG_VSX - /* Save VSX state in thread_struct */ - if (current->thread.regs->msr & MSR_VSX) - __giveup_vsx(current); -#endif + /* Save FPU, Altivec and VSX state */ + giveup_all(current); /* Preload FPU if it's enabled */ if (kvmppc_get_msr(vcpu) & MSR_FP) |