From: Paul Mackerras <paulus@samba.org> To: Alexander Graf <agraf@suse.de>, kvm-ppc@vger.kernel.org, kvm@vger.kernel.org Subject: [PATCH 11/11] KVM: PPC: Book3S HV: Return -EINVAL rather than BUG'ing Date: Fri, 6 Sep 2013 13:25:37 +1000 [thread overview] Message-ID: <20130906032537.GL29710@iris.ozlabs.ibm.com> (raw) In-Reply-To: <20130906031003.GA29710@iris.ozlabs.ibm.com> From: Michael Ellerman <michael@ellerman.id.au> This means that if we do happen to get a trap that we don't know about, we abort the guest rather than crashing the host kernel. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org> --- arch/powerpc/kvm/book3s_hv.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 0bb23a9..731e46e 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -709,8 +709,7 @@ static int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, printk(KERN_EMERG "trap=0x%x | pc=0x%lx | msr=0x%llx\n", vcpu->arch.trap, kvmppc_get_pc(vcpu), vcpu->arch.shregs.msr); - r = RESUME_HOST; - BUG(); + r = -EINVAL; break; } -- 1.8.4.rc3
WARNING: multiple messages have this Message-ID (diff)
From: Paul Mackerras <paulus@samba.org> To: Alexander Graf <agraf@suse.de>, kvm-ppc@vger.kernel.org, kvm@vger.kernel.org Subject: [PATCH 11/11] KVM: PPC: Book3S HV: Return -EINVAL rather than BUG'ing Date: Fri, 06 Sep 2013 03:25:37 +0000 [thread overview] Message-ID: <20130906032537.GL29710@iris.ozlabs.ibm.com> (raw) In-Reply-To: <20130906031003.GA29710@iris.ozlabs.ibm.com> From: Michael Ellerman <michael@ellerman.id.au> This means that if we do happen to get a trap that we don't know about, we abort the guest rather than crashing the host kernel. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org> --- arch/powerpc/kvm/book3s_hv.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 0bb23a9..731e46e 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -709,8 +709,7 @@ static int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, printk(KERN_EMERG "trap=0x%x | pc=0x%lx | msr=0x%llx\n", vcpu->arch.trap, kvmppc_get_pc(vcpu), vcpu->arch.shregs.msr); - r = RESUME_HOST; - BUG(); + r = -EINVAL; break; } -- 1.8.4.rc3
next prev parent reply other threads:[~2013-09-06 3:25 UTC|newest] Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-09-06 3:10 [PATCH 00/11] HV KVM improvements in preparation for POWER8 support Paul Mackerras 2013-09-06 3:10 ` Paul Mackerras 2013-09-06 3:11 ` [PATCH 01/11] KVM: PPC: Book3S HV: Save/restore SIAR and SDAR along with other PMU registers Paul Mackerras 2013-09-06 3:11 ` Paul Mackerras 2013-09-13 21:51 ` Alexander Graf 2013-09-13 21:51 ` Alexander Graf 2013-09-06 3:17 ` [PATCH 02/11] KVM: PPC: Book3S HV: Implement timebase offset for guests Paul Mackerras 2013-09-06 3:17 ` Paul Mackerras 2013-09-13 21:51 ` Alexander Graf 2013-09-13 21:51 ` Alexander Graf 2013-09-06 3:18 ` [PATCH 03/11] KVM: PPC: Book3S: Add GET/SET_ONE_REG interface for VRSAVE Paul Mackerras 2013-09-06 3:18 ` Paul Mackerras 2013-09-13 21:51 ` Alexander Graf 2013-09-13 21:51 ` Alexander Graf 2013-09-14 2:07 ` Paul Mackerras 2013-09-14 2:07 ` Paul Mackerras 2013-09-06 3:21 ` [PATCH 04/11] KVM: PPC: Book3S HV: Add GET/SET_ONE_REG interface for LPCR Paul Mackerras 2013-09-06 3:21 ` Paul Mackerras 2013-09-13 18:36 ` Alexander Graf 2013-09-13 18:36 ` Alexander Graf 2013-09-14 2:21 ` Paul Mackerras 2013-09-14 2:21 ` Paul Mackerras 2013-09-14 5:12 ` Alexander Graf 2013-09-14 5:12 ` Alexander Graf 2013-09-14 5:58 ` Paul Mackerras 2013-09-14 5:58 ` Paul Mackerras 2013-09-14 11:38 ` Alexander Graf 2013-09-14 11:38 ` Alexander Graf 2013-09-06 3:22 ` [PATCH 05/11] KVM: PPC: Book3S HV: Add support for guest Program Priority Register Paul Mackerras 2013-09-06 3:22 ` Paul Mackerras 2013-09-13 21:51 ` Alexander Graf 2013-09-13 21:51 ` Alexander Graf 2013-09-17 3:29 ` Benjamin Herrenschmidt 2013-09-17 3:29 ` Benjamin Herrenschmidt 2013-09-20 3:39 ` Alexander Graf 2013-09-20 3:39 ` Alexander Graf 2013-09-06 3:22 ` [PATCH 06/11] KVM: PPC: Book3S HV: Support POWER6 compatibility mode on POWER7 Paul Mackerras 2013-09-06 3:22 ` Paul Mackerras 2013-09-06 5:28 ` Aneesh Kumar K.V 2013-09-06 5:40 ` Aneesh Kumar K.V 2013-09-06 6:38 ` Paul Mackerras 2013-09-06 6:38 ` Paul Mackerras 2013-09-13 19:58 ` Alexander Graf 2013-09-13 19:58 ` Alexander Graf 2013-09-14 2:03 ` Paul Mackerras 2013-09-14 2:03 ` Paul Mackerras 2013-09-06 3:23 ` [PATCH 07/11] KVM: PPC: Book3S HV: Implement H_CONFER Paul Mackerras 2013-09-06 3:23 ` Paul Mackerras 2013-09-13 21:51 ` Alexander Graf 2013-09-13 21:51 ` Alexander Graf 2013-09-06 3:23 ` [PATCH 08/11] KVM: PPC: Book3S HV: Restructure kvmppc_hv_entry to be a subroutine Paul Mackerras 2013-09-06 3:23 ` Paul Mackerras 2013-09-13 21:51 ` Alexander Graf 2013-09-13 21:51 ` Alexander Graf 2013-09-06 3:24 ` [PATCH 09/11] KVM: PPC: Book3S HV: Pull out interrupt-reading code into " Paul Mackerras 2013-09-06 3:24 ` Paul Mackerras 2013-09-13 21:51 ` Alexander Graf 2013-09-13 21:51 ` Alexander Graf 2013-09-06 3:24 ` [PATCH 10/11] KVM: PPC: Book3S HV: Avoid unbalanced increments of VPA yield count Paul Mackerras 2013-09-06 3:24 ` Paul Mackerras 2013-09-13 21:51 ` Alexander Graf 2013-09-13 21:51 ` Alexander Graf 2013-09-06 3:25 ` Paul Mackerras [this message] 2013-09-06 3:25 ` [PATCH 11/11] KVM: PPC: Book3S HV: Return -EINVAL rather than BUG'ing Paul Mackerras 2013-09-13 21:51 ` Alexander Graf 2013-09-13 21:51 ` Alexander Graf 2013-09-11 9:11 ` [PATCH 00/11] HV KVM improvements in preparation for POWER8 support Paul Mackerras 2013-09-11 9:11 ` Paul Mackerras
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