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| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-05-28 09:38:59 +0200 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-05-28 09:39:08 +0200 |
| commit | 4672b1d65fc9b5a5ded911fbebb4853b892d5d89 (patch) | |
| tree | 4ddeeb9fd195ce85f0f49525b94c39bdee8b94d9 /arch/x86/kvm/svm.c | |
| parent | cf57fdc8e42bd88dae1213a2bbe683d4b6c2190b (diff) | |
| parent | 14ee642c2ab0a3d8a1ded11fade692d8b77172b9 (diff) | |
| download | linux-4672b1d65fc9b5a5ded911fbebb4853b892d5d89.tar.gz | |
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
This picks up rc2 for us as well. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'arch/x86/kvm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index a849dcb7fbc5..735b8c01895e 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -379,6 +379,9 @@ module_param(vgif, int, 0444); static int sev = IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT); module_param(sev, int, 0444); +static bool __read_mostly dump_invalid_vmcb = 0; +module_param(dump_invalid_vmcb, bool, 0644); + static u8 rsm_ins_bytes[] = "\x0f\xaa"; static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0); @@ -2024,7 +2027,11 @@ static void avic_vcpu_load(struct kvm_vcpu *vcpu, int cpu) if (!kvm_vcpu_apicv_active(vcpu)) return; - if (WARN_ON(h_physical_id >= AVIC_MAX_PHYSICAL_ID_COUNT)) + /* + * Since the host physical APIC id is 8 bits, + * we can support host APIC ID upto 255. + */ + if (WARN_ON(h_physical_id > AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK)) return; entry = READ_ONCE(*(svm->avic_physical_id_cache)); @@ -4824,6 +4831,11 @@ static void dump_vmcb(struct kvm_vcpu *vcpu) struct vmcb_control_area *control = &svm->vmcb->control; struct vmcb_save_area *save = &svm->vmcb->save; + if (!dump_invalid_vmcb) { + pr_warn_ratelimited("set kvm_amd.dump_invalid_vmcb=1 to dump internal KVM state.\n"); + return; + } + pr_err("VMCB Control Area:\n"); pr_err("%-20s%04x\n", "cr_read:", control->intercept_cr & 0xffff); pr_err("%-20s%04x\n", "cr_write:", control->intercept_cr >> 16); @@ -4982,7 +4994,6 @@ static int handle_exit(struct kvm_vcpu *vcpu) kvm_run->exit_reason = KVM_EXIT_FAIL_ENTRY; kvm_run->fail_entry.hardware_entry_failure_reason = svm->vmcb->control.exit_code; - pr_err("KVM: FAILED VMRUN WITH VMCB:\n"); dump_vmcb(vcpu); return 0; } |