diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_hv_builtin.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv_builtin.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c index de18299f92b7..d4a3f4da409b 100644 --- a/arch/powerpc/kvm/book3s_hv_builtin.c +++ b/arch/powerpc/kvm/book3s_hv_builtin.c @@ -18,6 +18,7 @@ #include <linux/cma.h> #include <linux/bitops.h> +#include <asm/asm-prototypes.h> #include <asm/cputable.h> #include <asm/kvm_ppc.h> #include <asm/kvm_book3s.h> @@ -211,9 +212,9 @@ long kvmppc_h_random(struct kvm_vcpu *vcpu) /* Only need to do the expensive mfmsr() on radix */ if (kvm_is_radix(vcpu->kvm) && (mfmsr() & MSR_IR)) - r = powernv_get_random_long(&vcpu->arch.gpr[4]); + r = powernv_get_random_long(&vcpu->arch.regs.gpr[4]); else - r = powernv_get_random_real_mode(&vcpu->arch.gpr[4]); + r = powernv_get_random_real_mode(&vcpu->arch.regs.gpr[4]); if (r) return H_SUCCESS; @@ -562,7 +563,7 @@ unsigned long kvmppc_rm_h_xirr_x(struct kvm_vcpu *vcpu) { if (!kvmppc_xics_enabled(vcpu)) return H_TOO_HARD; - vcpu->arch.gpr[5] = get_tb(); + vcpu->arch.regs.gpr[5] = get_tb(); if (xive_enabled()) { if (is_rm()) return xive_rm_h_xirr(vcpu); @@ -633,7 +634,19 @@ int kvmppc_rm_h_eoi(struct kvm_vcpu *vcpu, unsigned long xirr) void kvmppc_bad_interrupt(struct pt_regs *regs) { - die("Bad interrupt in KVM entry/exit code", regs, SIGABRT); + /* + * 100 could happen at any time, 200 can happen due to invalid real + * address access for example (or any time due to a hardware problem). + */ + if (TRAP(regs) == 0x100) { + get_paca()->in_nmi++; + system_reset_exception(regs); + get_paca()->in_nmi--; + } else if (TRAP(regs) == 0x200) { + machine_check_exception(regs); + } else { + die("Bad interrupt in KVM entry/exit code", regs, SIGABRT); + } panic("Bad KVM trap"); } |