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Diffstat (limited to 'arch/x86/kvm/svm.c')
-rw-r--r--arch/x86/kvm/svm.c259
1 files changed, 172 insertions, 87 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 71510e07e69e..fc14bdf60d39 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -15,7 +15,6 @@
*/
#include <linux/kvm_host.h>
-#include "kvm_svm.h"
#include "irq.h"
#include "mmu.h"
#include "kvm_cache_regs.h"
@@ -26,10 +25,12 @@
#include <linux/vmalloc.h>
#include <linux/highmem.h>
#include <linux/sched.h>
+#include <linux/ftrace_event.h>
#include <asm/desc.h>
#include <asm/virtext.h>
+#include "trace.h"
#define __ex(x) __kvm_handle_fault_on_reboot(x)
@@ -57,6 +58,46 @@ MODULE_LICENSE("GPL");
#define nsvm_printk(fmt, args...) do {} while(0)
#endif
+static const u32 host_save_user_msrs[] = {
+#ifdef CONFIG_X86_64
+ MSR_STAR, MSR_LSTAR, MSR_CSTAR, MSR_SYSCALL_MASK, MSR_KERNEL_GS_BASE,
+ MSR_FS_BASE,
+#endif
+ MSR_IA32_SYSENTER_CS, MSR_IA32_SYSENTER_ESP, MSR_IA32_SYSENTER_EIP,
+};
+
+#define NR_HOST_SAVE_USER_MSRS ARRAY_SIZE(host_save_user_msrs)
+
+struct kvm_vcpu;
+
+struct vcpu_svm {
+ struct kvm_vcpu vcpu;
+ struct vmcb *vmcb;
+ unsigned long vmcb_pa;
+ struct svm_cpu_data *svm_data;
+ uint64_t asid_generation;
+ uint64_t sysenter_cs;
+ uint64_t sysenter_esp;
+ uint64_t sysenter_eip;
+
+ u64 next_rip;
+
+ u64 host_user_msrs[NR_HOST_SAVE_USER_MSRS];
+ u64 host_gs_base;
+
+ u32 *msrpm;
+ struct vmcb *hsave;
+ u64 hsave_msr;
+
+ u64 nested_vmcb;
+
+ /* These are the merged vectors */
+ u32 *nested_msrpm;
+
+ /* gpa pointers to the real vectors */
+ u64 nested_vmcb_msrpm;
+};
+
/* enable NPT for AMD64 and X86 with PAE */
#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
static bool npt_enabled = true;
@@ -147,19 +188,6 @@ static inline void invlpga(unsigned long addr, u32 asid)
asm volatile (__ex(SVM_INVLPGA) :: "a"(addr), "c"(asid));
}
-static inline unsigned long kvm_read_cr2(void)
-{
- unsigned long cr2;
-
- asm volatile ("mov %%cr2, %0" : "=r" (cr2));
- return cr2;
-}
-
-static inline void kvm_write_cr2(unsigned long val)
-{
- asm volatile ("mov %0, %%cr2" :: "r" (val));
-}
-
static inline void force_new_asid(struct kvm_vcpu *vcpu)
{
to_svm(vcpu)->asid_generation--;
@@ -605,7 +633,7 @@ static int svm_vcpu_reset(struct kvm_vcpu *vcpu)
init_vmcb(svm);
- if (vcpu->vcpu_id != 0) {
+ if (!kvm_vcpu_is_bsp(vcpu)) {
kvm_rip_write(vcpu, 0);
svm->vmcb->save.cs.base = svm->vcpu.arch.sipi_vector << 12;
svm->vmcb->save.cs.selector = svm->vcpu.arch.sipi_vector << 8;
@@ -669,7 +697,7 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id)
fx_init(&svm->vcpu);
svm->vcpu.fpu_active = 1;
svm->vcpu.arch.apic_base = 0xfee00000 | MSR_IA32_APICBASE_ENABLE;
- if (svm->vcpu.vcpu_id == 0)
+ if (kvm_vcpu_is_bsp(&svm->vcpu))
svm->vcpu.arch.apic_base |= MSR_IA32_APICBASE_BSP;
return &svm->vcpu;
@@ -739,6 +767,18 @@ static void svm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags)
to_svm(vcpu)->vmcb->save.rflags = rflags;
}
+static void svm_cache_reg(struct kvm_vcpu *vcpu, enum kvm_reg reg)
+{
+ switch (reg) {
+ case VCPU_EXREG_PDPTR:
+ BUG_ON(!npt_enabled);
+ load_pdptrs(vcpu, vcpu->arch.cr3);
+ break;
+ default:
+ BUG();
+ }
+}
+
static void svm_set_vintr(struct vcpu_svm *svm)
{
svm->vmcb->control.intercept |= 1ULL << INTERCEPT_VINTR;
@@ -1061,7 +1101,6 @@ static unsigned long svm_get_dr(struct kvm_vcpu *vcpu, int dr)
val = 0;
}
- KVMTRACE_2D(DR_READ, vcpu, (u32)dr, (u32)val, handler);
return val;
}
@@ -1070,8 +1109,6 @@ static void svm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long value,
{
struct vcpu_svm *svm = to_svm(vcpu);
- KVMTRACE_2D(DR_WRITE, vcpu, (u32)dr, (u32)value, handler);
-
*exception = 0;
switch (dr) {
@@ -1119,14 +1156,7 @@ static int pf_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
fault_address = svm->vmcb->control.exit_info_2;
error_code = svm->vmcb->control.exit_info_1;
- if (!npt_enabled)
- KVMTRACE_3D(PAGE_FAULT, &svm->vcpu, error_code,
- (u32)fault_address, (u32)(fault_address >> 32),
- handler);
- else
- KVMTRACE_3D(TDP_FAULT, &svm->vcpu, error_code,
- (u32)fault_address, (u32)(fault_address >> 32),
- handler);
+ trace_kvm_page_fault(fault_address, error_code);
/*
* FIXME: Tis shouldn't be necessary here, but there is a flush
* missing in the MMU code. Until we find this bug, flush the
@@ -1253,14 +1283,12 @@ static int io_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
static int nmi_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
{
- KVMTRACE_0D(NMI, &svm->vcpu, handler);
return 1;
}
static int intr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
{
++svm->vcpu.stat.irq_exits;
- KVMTRACE_0D(INTR, &svm->vcpu, handler);
return 1;
}
@@ -1577,7 +1605,8 @@ static int nested_svm_vmexit_real(struct vcpu_svm *svm, void *arg1,
/* Kill any pending exceptions */
if (svm->vcpu.arch.exception.pending == true)
nsvm_printk("WARNING: Pending Exception\n");
- svm->vcpu.arch.exception.pending = false;
+ kvm_clear_exception_queue(&svm->vcpu);
+ kvm_clear_interrupt_queue(&svm->vcpu);
/* Restore selected save entries */
svm->vmcb->save.es = hsave->save.es;
@@ -1645,7 +1674,8 @@ static int nested_svm_vmrun(struct vcpu_svm *svm, void *arg1,
svm->nested_vmcb = svm->vmcb->save.rax;
/* Clear internal status */
- svm->vcpu.arch.exception.pending = false;
+ kvm_clear_exception_queue(&svm->vcpu);
+ kvm_clear_interrupt_queue(&svm->vcpu);
/* Save the old vmcb, so we don't need to pick what we save, but
can restore everything when a VMEXIT occurs */
@@ -1845,6 +1875,19 @@ static int clgi_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
return 1;
}
+static int invlpga_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+{
+ struct kvm_vcpu *vcpu = &svm->vcpu;
+ nsvm_printk("INVLPGA\n");
+
+ /* Let's treat INVLPGA the same as INVLPG (can be optimized!) */
+ kvm_mmu_invlpg(vcpu, vcpu->arch.regs[VCPU_REGS_RAX]);
+
+ svm->next_rip = kvm_rip_read(&svm->vcpu) + 3;
+ skip_emulated_instruction(&svm->vcpu);
+ return 1;
+}
+
static int invalid_op_interception(struct vcpu_svm *svm,
struct kvm_run *kvm_run)
{
@@ -1953,7 +1996,7 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
struct vcpu_svm *svm = to_svm(vcpu);
switch (ecx) {
- case MSR_IA32_TIME_STAMP_COUNTER: {
+ case MSR_IA32_TSC: {
u64 tsc;
rdtscll(tsc);
@@ -1978,13 +2021,13 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
break;
#endif
case MSR_IA32_SYSENTER_CS:
- *data = svm->vmcb->save.sysenter_cs;
+ *data = svm->sysenter_cs;
break;
case MSR_IA32_SYSENTER_EIP:
- *data = svm->vmcb->save.sysenter_eip;
+ *data = svm->sysenter_eip;
break;
case MSR_IA32_SYSENTER_ESP:
- *data = svm->vmcb->save.sysenter_esp;
+ *data = svm->sysenter_esp;
break;
/* Nobody will change the following 5 values in the VMCB so
we can safely return them on rdmsr. They will always be 0
@@ -2027,8 +2070,7 @@ static int rdmsr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
if (svm_get_msr(&svm->vcpu, ecx, &data))
kvm_inject_gp(&svm->vcpu, 0);
else {
- KVMTRACE_3D(MSR_READ, &svm->vcpu, ecx, (u32)data,
- (u32)(data >> 32), handler);
+ trace_kvm_msr_read(ecx, data);
svm->vcpu.arch.regs[VCPU_REGS_RAX] = data & 0xffffffff;
svm->vcpu.arch.regs[VCPU_REGS_RDX] = data >> 32;
@@ -2043,7 +2085,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)
struct vcpu_svm *svm = to_svm(vcpu);
switch (ecx) {
- case MSR_IA32_TIME_STAMP_COUNTER: {
+ case MSR_IA32_TSC: {
u64 tsc;
rdtscll(tsc);
@@ -2068,13 +2110,13 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)
break;
#endif
case MSR_IA32_SYSENTER_CS:
- svm->vmcb->save.sysenter_cs = data;
+ svm->sysenter_cs = data;
break;
case MSR_IA32_SYSENTER_EIP:
- svm->vmcb->save.sysenter_eip = data;
+ svm->sysenter_eip = data;
break;
case MSR_IA32_SYSENTER_ESP:
- svm->vmcb->save.sysenter_esp = data;
+ svm->sysenter_esp = data;
break;
case MSR_IA32_DEBUGCTLMSR:
if (!svm_has(SVM_FEATURE_LBRV)) {
@@ -2091,25 +2133,13 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)
else
svm_disable_lbrv(svm);
break;
- case MSR_K7_EVNTSEL0:
- case MSR_K7_EVNTSEL1:
- case MSR_K7_EVNTSEL2:
- case MSR_K7_EVNTSEL3:
- case MSR_K7_PERFCTR0:
- case MSR_K7_PERFCTR1:
- case MSR_K7_PERFCTR2:
- case MSR_K7_PERFCTR3:
- /*
- * Just discard all writes to the performance counters; this
- * should keep both older linux and windows 64-bit guests
- * happy
- */
- pr_unimpl(vcpu, "unimplemented perfctr wrmsr: 0x%x data 0x%llx\n", ecx, data);
-
- break;
case MSR_VM_HSAVE_PA:
svm->hsave_msr = data;
break;
+ case MSR_VM_CR:
+ case MSR_VM_IGNNE:
+ pr_unimpl(vcpu, "unimplemented wrmsr: 0x%x data 0x%llx\n", ecx, data);
+ break;
default:
return kvm_set_msr_common(vcpu, ecx, data);
}
@@ -2122,8 +2152,7 @@ static int wrmsr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
u64 data = (svm->vcpu.arch.regs[VCPU_REGS_RAX] & -1u)
| ((u64)(svm->vcpu.arch.regs[VCPU_REGS_RDX] & -1u) << 32);
- KVMTRACE_3D(MSR_WRITE, &svm->vcpu, ecx, (u32)data, (u32)(data >> 32),
- handler);
+ trace_kvm_msr_write(ecx, data);
svm->next_rip = kvm_rip_read(&svm->vcpu) + 2;
if (svm_set_msr(&svm->vcpu, ecx, data))
@@ -2144,8 +2173,6 @@ static int msr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
static int interrupt_window_interception(struct vcpu_svm *svm,
struct kvm_run *kvm_run)
{
- KVMTRACE_0D(PEND_INTR, &svm->vcpu, handler);
-
svm_clear_vintr(svm);
svm->vmcb->control.int_ctl &= ~V_IRQ_MASK;
/*
@@ -2201,7 +2228,7 @@ static int (*svm_exit_handlers[])(struct vcpu_svm *svm,
[SVM_EXIT_INVD] = emulate_on_interception,
[SVM_EXIT_HLT] = halt_interception,
[SVM_EXIT_INVLPG] = invlpg_interception,
- [SVM_EXIT_INVLPGA] = invalid_op_interception,
+ [SVM_EXIT_INVLPGA] = invlpga_interception,
[SVM_EXIT_IOIO] = io_interception,
[SVM_EXIT_MSR] = msr_interception,
[SVM_EXIT_TASK_SWITCH] = task_switch_interception,
@@ -2224,8 +2251,7 @@ static int handle_exit(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
struct vcpu_svm *svm = to_svm(vcpu);
u32 exit_code = svm->vmcb->control.exit_code;
- KVMTRACE_3D(VMEXIT, vcpu, exit_code, (u32)svm->vmcb->save.rip,
- (u32)((u64)svm->vmcb->save.rip >> 32), entryexit);
+ trace_kvm_exit(exit_code, svm->vmcb->save.rip);
if (is_nested(svm)) {
nsvm_printk("nested handle_exit: 0x%x | 0x%lx | 0x%lx | 0x%lx\n",
@@ -2246,12 +2272,6 @@ static int handle_exit(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
}
vcpu->arch.cr0 = svm->vmcb->save.cr0;
vcpu->arch.cr3 = svm->vmcb->save.cr3;
- if (is_paging(vcpu) && is_pae(vcpu) && !is_long_mode(vcpu)) {
- if (!load_pdptrs(vcpu, vcpu->arch.cr3)) {
- kvm_inject_gp(vcpu, 0);
- return 1;
- }
- }
if (mmu_reload) {
kvm_mmu_reset_context(vcpu);
kvm_mmu_load(vcpu);
@@ -2319,7 +2339,7 @@ static inline void svm_inject_irq(struct vcpu_svm *svm, int irq)
{
struct vmcb_control_area *control;
- KVMTRACE_1D(INJ_VIRQ, &svm->vcpu, (u32)irq, handler);
+ trace_kvm_inj_virq(irq);
++svm->vcpu.stat.irq_injections;
control = &svm->vmcb->control;
@@ -2329,21 +2349,14 @@ static inline void svm_inject_irq(struct vcpu_svm *svm, int irq)
((/*control->int_vector >> 4*/ 0xf) << V_INTR_PRIO_SHIFT);
}
-static void svm_queue_irq(struct kvm_vcpu *vcpu, unsigned nr)
-{
- struct vcpu_svm *svm = to_svm(vcpu);
-
- svm->vmcb->control.event_inj = nr |
- SVM_EVTINJ_VALID | SVM_EVTINJ_TYPE_INTR;
-}
-
static void svm_set_irq(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
- nested_svm_intr(svm);
+ BUG_ON(!(svm->vcpu.arch.hflags & HF_GIF_MASK));
- svm_queue_irq(vcpu, vcpu->arch.interrupt.nr);
+ svm->vmcb->control.event_inj = vcpu->arch.interrupt.nr |
+ SVM_EVTINJ_VALID | SVM_EVTINJ_TYPE_INTR;
}
static void update_cr8_intercept(struct kvm_vcpu *vcpu, int tpr, int irr)
@@ -2371,13 +2384,25 @@ static int svm_interrupt_allowed(struct kvm_vcpu *vcpu)
struct vmcb *vmcb = svm->vmcb;
return (vmcb->save.rflags & X86_EFLAGS_IF) &&
!(vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK) &&
- (svm->vcpu.arch.hflags & HF_GIF_MASK);
+ (svm->vcpu.arch.hflags & HF_GIF_MASK) &&
+ !is_nested(svm);
}
static void enable_irq_window(struct kvm_vcpu *vcpu)
{
- svm_set_vintr(to_svm(vcpu));
- svm_inject_irq(to_svm(vcpu), 0x0);
+ struct vcpu_svm *svm = to_svm(vcpu);
+ nsvm_printk("Trying to open IRQ window\n");
+
+ nested_svm_intr(svm);
+
+ /* In case GIF=0 we can't rely on the CPU to tell us when
+ * GIF becomes 1, because that's a separate STGI/VMRUN intercept.
+ * The next time we get that intercept, this function will be
+ * called again though and we'll get the vintr intercept. */
+ if (svm->vcpu.arch.hflags & HF_GIF_MASK) {
+ svm_set_vintr(svm);
+ svm_inject_irq(svm, 0x0);
+ }
}
static void enable_nmi_window(struct kvm_vcpu *vcpu)
@@ -2456,6 +2481,8 @@ static void svm_complete_interrupts(struct vcpu_svm *svm)
case SVM_EXITINTINFO_TYPE_EXEPT:
/* In case of software exception do not reinject an exception
vector, but re-execute and instruction instead */
+ if (is_nested(svm))
+ break;
if (kvm_exception_is_soft(vector))
break;
if (exitintinfo & SVM_EXITINTINFO_VALID_ERR) {
@@ -2498,7 +2525,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
fs_selector = kvm_read_fs();
gs_selector = kvm_read_gs();
ldt_selector = kvm_read_ldt();
- svm->host_cr2 = kvm_read_cr2();
if (!is_nested(svm))
svm->vmcb->save.cr2 = vcpu->arch.cr2;
/* required for live migration with NPT */
@@ -2585,8 +2611,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
vcpu->arch.regs[VCPU_REGS_RSP] = svm->vmcb->save.rsp;
vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip;
- kvm_write_cr2(svm->host_cr2);
-
kvm_load_fs(fs_selector);
kvm_load_gs(gs_selector);
kvm_load_ldt(ldt_selector);
@@ -2602,6 +2626,11 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
svm->next_rip = 0;
+ if (npt_enabled) {
+ vcpu->arch.regs_avail &= ~(1 << VCPU_EXREG_PDPTR);
+ vcpu->arch.regs_dirty &= ~(1 << VCPU_EXREG_PDPTR);
+ }
+
svm_complete_interrupts(svm);
}
@@ -2673,6 +2702,59 @@ static u64 svm_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio)
return 0;
}
+static const struct trace_print_flags svm_exit_reasons_str[] = {
+ { SVM_EXIT_READ_CR0, "read_cr0" },
+ { SVM_EXIT_READ_CR3, "read_cr3" },
+ { SVM_EXIT_READ_CR4, "read_cr4" },
+ { SVM_EXIT_READ_CR8, "read_cr8" },
+ { SVM_EXIT_WRITE_CR0, "write_cr0" },
+ { SVM_EXIT_WRITE_CR3, "write_cr3" },
+ { SVM_EXIT_WRITE_CR4, "write_cr4" },
+ { SVM_EXIT_WRITE_CR8, "write_cr8" },
+ { SVM_EXIT_READ_DR0, "read_dr0" },
+ { SVM_EXIT_READ_DR1, "read_dr1" },
+ { SVM_EXIT_READ_DR2, "read_dr2" },
+ { SVM_EXIT_READ_DR3, "read_dr3" },
+ { SVM_EXIT_WRITE_DR0, "write_dr0" },
+ { SVM_EXIT_WRITE_DR1, "write_dr1" },
+ { SVM_EXIT_WRITE_DR2, "write_dr2" },
+ { SVM_EXIT_WRITE_DR3, "write_dr3" },
+ { SVM_EXIT_WRITE_DR5, "write_dr5" },
+ { SVM_EXIT_WRITE_DR7, "write_dr7" },
+ { SVM_EXIT_EXCP_BASE + DB_VECTOR, "DB excp" },
+ { SVM_EXIT_EXCP_BASE + BP_VECTOR, "BP excp" },
+ { SVM_EXIT_EXCP_BASE + UD_VECTOR, "UD excp" },
+ { SVM_EXIT_EXCP_BASE + PF_VECTOR, "PF excp" },
+ { SVM_EXIT_EXCP_BASE + NM_VECTOR, "NM excp" },
+ { SVM_EXIT_EXCP_BASE + MC_VECTOR, "MC excp" },
+ { SVM_EXIT_INTR, "interrupt" },
+ { SVM_EXIT_NMI, "nmi" },
+ { SVM_EXIT_SMI, "smi" },
+ { SVM_EXIT_INIT, "init" },
+ { SVM_EXIT_VINTR, "vintr" },
+ { SVM_EXIT_CPUID, "cpuid" },
+ { SVM_EXIT_INVD, "invd" },
+ { SVM_EXIT_HLT, "hlt" },
+ { SVM_EXIT_INVLPG, "invlpg" },
+ { SVM_EXIT_INVLPGA, "invlpga" },
+ { SVM_EXIT_IOIO, "io" },
+ { SVM_EXIT_MSR, "msr" },
+ { SVM_EXIT_TASK_SWITCH, "task_switch" },
+ { SVM_EXIT_SHUTDOWN, "shutdown" },
+ { SVM_EXIT_VMRUN, "vmrun" },
+ { SVM_EXIT_VMMCALL, "hypercall" },
+ { SVM_EXIT_VMLOAD, "vmload" },
+ { SVM_EXIT_VMSAVE, "vmsave" },
+ { SVM_EXIT_STGI, "stgi" },
+ { SVM_EXIT_CLGI, "clgi" },
+ { SVM_EXIT_SKINIT, "skinit" },
+ { SVM_EXIT_WBINVD, "wbinvd" },
+ { SVM_EXIT_MONITOR, "monitor" },
+ { SVM_EXIT_MWAIT, "mwait" },
+ { SVM_EXIT_NPF, "npf" },
+ { -1, NULL }
+};
+
static struct kvm_x86_ops svm_x86_ops = {
.cpu_has_kvm_support = has_svm,
.disabled_by_bios = is_disabled,
@@ -2710,6 +2792,7 @@ static struct kvm_x86_ops svm_x86_ops = {
.set_gdt = svm_set_gdt,
.get_dr = svm_get_dr,
.set_dr = svm_set_dr,
+ .cache_reg = svm_cache_reg,
.get_rflags = svm_get_rflags,
.set_rflags = svm_set_rflags,
@@ -2733,6 +2816,8 @@ static struct kvm_x86_ops svm_x86_ops = {
.set_tss_addr = svm_set_tss_addr,
.get_tdp_level = get_npt_level,
.get_mt_mask = svm_get_mt_mask,
+
+ .exit_reasons_str = svm_exit_reasons_str,
};
static int __init svm_init(void)