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| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-05-28 10:38:59 +0300 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-05-28 10:39:08 +0300 |
| commit | 4672b1d65fc9b5a5ded911fbebb4853b892d5d89 (patch) | |
| tree | 4ddeeb9fd195ce85f0f49525b94c39bdee8b94d9 /arch/x86/kvm/vmx/vmx.c | |
| parent | cf57fdc8e42bd88dae1213a2bbe683d4b6c2190b (diff) | |
| parent | 14ee642c2ab0a3d8a1ded11fade692d8b77172b9 (diff) | |
| download | linux-4672b1d65fc9b5a5ded911fbebb4853b892d5d89.tar.xz | |
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/vmx/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 1ac167614032..b93e36ddee5e 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -114,6 +114,9 @@ static u64 __read_mostly host_xss; bool __read_mostly enable_pml = 1; module_param_named(pml, enable_pml, bool, S_IRUGO); +static bool __read_mostly dump_invalid_vmcs = 0; +module_param(dump_invalid_vmcs, bool, 0644); + #define MSR_BITMAP_MODE_X2APIC 1 #define MSR_BITMAP_MODE_X2APIC_APICV 2 @@ -5607,15 +5610,24 @@ static void vmx_dump_dtsel(char *name, uint32_t limit) void dump_vmcs(void) { - u32 vmentry_ctl = vmcs_read32(VM_ENTRY_CONTROLS); - u32 vmexit_ctl = vmcs_read32(VM_EXIT_CONTROLS); - u32 cpu_based_exec_ctrl = vmcs_read32(CPU_BASED_VM_EXEC_CONTROL); - u32 pin_based_exec_ctrl = vmcs_read32(PIN_BASED_VM_EXEC_CONTROL); - u32 secondary_exec_control = 0; - unsigned long cr4 = vmcs_readl(GUEST_CR4); - u64 efer = vmcs_read64(GUEST_IA32_EFER); + u32 vmentry_ctl, vmexit_ctl; + u32 cpu_based_exec_ctrl, pin_based_exec_ctrl, secondary_exec_control; + unsigned long cr4; + u64 efer; int i, n; + if (!dump_invalid_vmcs) { + pr_warn_ratelimited("set kvm_intel.dump_invalid_vmcs=1 to dump internal KVM state.\n"); + return; + } + + vmentry_ctl = vmcs_read32(VM_ENTRY_CONTROLS); + vmexit_ctl = vmcs_read32(VM_EXIT_CONTROLS); + cpu_based_exec_ctrl = vmcs_read32(CPU_BASED_VM_EXEC_CONTROL); + pin_based_exec_ctrl = vmcs_read32(PIN_BASED_VM_EXEC_CONTROL); + cr4 = vmcs_readl(GUEST_CR4); + efer = vmcs_read64(GUEST_IA32_EFER); + secondary_exec_control = 0; if (cpu_has_secondary_exec_ctrls()) secondary_exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL); |