Signed-off-by: Sanjay Lal <sanjayl@xxxxxxxxxxx>
---
arch/mips/kvm/kvm_cb.c | 14 ++
arch/mips/kvm/kvm_trap_emul.c | 482 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 496 insertions(+)
create mode 100644 arch/mips/kvm/kvm_cb.c
create mode 100644 arch/mips/kvm/kvm_trap_emul.c
diff --git a/arch/mips/kvm/kvm_cb.c b/arch/mips/kvm/kvm_cb.c
new file mode 100644
index 0000000..313c2e3
--- /dev/null
+++ b/arch/mips/kvm/kvm_cb.c
@@ -0,0 +1,14 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
+ * Authors: Yann Le Du <ledu@xxxxxxxxxxx>
+ */
+
+#include <linux/export.h>
+#include <linux/kvm_host.h>
+
+struct kvm_mips_callbacks *kvm_mips_callbacks;
+EXPORT_SYMBOL(kvm_mips_callbacks);
diff --git a/arch/mips/kvm/kvm_trap_emul.c b/arch/mips/kvm/kvm_trap_emul.c
new file mode 100644
index 0000000..e20fff0
--- /dev/null
+++ b/arch/mips/kvm/kvm_trap_emul.c
@@ -0,0 +1,482 @@
+/*
+* This file is subject to the terms and conditions of the GNU General Public
+* License. See the file "COPYING" in the main directory of this archive
+* for more details.
+*
+* KVM/MIPS: Deliver/Emulate exceptions to the guest kernel
+*
+* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
+* Authors: Sanjay Lal <sanjayl@xxxxxxxxxxx>
+*/
+
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/vmalloc.h>
+
+#include <linux/kvm_host.h>
+
+#include "kvm_mips_opcode.h"
+#include "kvm_mips_int.h"
+
+static gpa_t kvm_trap_emul_gva_to_gpa_cb(gva_t gva)
+{
+ gpa_t gpa;
+ uint32_t kseg = KSEGX(gva);
+
+ if ((kseg == CKSEG0) || (kseg == CKSEG1))
+ gpa = CPHYSADDR(gva);
+ else {
+ printk("%s: cannot find GPA for GVA: %#lx\n", __func__, gva);
+ kvm_mips_dump_host_tlbs();
+ gpa = KVM_INVALID_ADDR;
+ }
+
+#ifdef DEBUG
+ kvm_debug("%s: gva %#lx, gpa: %#llx\n", __func__, gva, gpa);
+#endif
+
+ return gpa;
+}
+
+
+static int kvm_trap_emul_handle_cop_unusable(struct kvm_vcpu *vcpu)
+{
+ struct kvm_run *run = vcpu->run;
+ uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ enum emulation_result er = EMULATE_DONE;
+ int ret = RESUME_GUEST;
+
+ if (((cause & CAUSEF_CE) >> CAUSEB_CE) == 1) {
+ er = kvm_mips_emulate_fpu_exc(cause, opc, run, vcpu);
+ } else
+ er = kvm_mips_emulate_inst(cause, opc, run, vcpu);
+
+ switch (er) {
+ case EMULATE_DONE:
+ ret = RESUME_GUEST;
+ break;
+
+ case EMULATE_FAIL:
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ break;
+
+ case EMULATE_WAIT:
+ run->exit_reason = KVM_EXIT_INTR;
+ ret = RESUME_HOST;
+ break;
+
+ default:
+ BUG();
+ }
+ return ret;
+}
+
+static int kvm_trap_emul_handle_tlb_mod(struct kvm_vcpu *vcpu)
+{
+ struct kvm_run *run = vcpu->run;
+ uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ ulong badvaddr = vcpu->arch.host_cp0_badvaddr;
+ enum emulation_result er = EMULATE_DONE;
+ int ret = RESUME_GUEST;
+
+ if (KVM_GUEST_KSEGX(badvaddr) < KVM_GUEST_KSEG0
+ || KVM_GUEST_KSEGX(badvaddr) == KVM_GUEST_KSEG23) {
+#ifdef DEBUG
+ kvm_debug
+ ("USER/KSEG23 ADDR TLB MOD fault: cause %#lx, PC: %p, BadVaddr: %#lx\n",
+ cause, opc, badvaddr);
+#endif
+ er = kvm_mips_handle_tlbmod(cause, opc, run, vcpu);
+
+ if (er == EMULATE_DONE)
+ ret = RESUME_GUEST;
+ else {
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ } else if (KVM_GUEST_KSEGX(badvaddr) == KVM_GUEST_KSEG0) {
+ /* XXXKYMA: The guest kernel does not expect to get this fault when we are not
+ * using HIGHMEM. Need to address this in a HIGHMEM kernel
+ */
+ printk
+ ("TLB MOD fault not handled, cause %#lx, PC: %p, BadVaddr: %#lx\n",
+ cause, opc, badvaddr);
+ kvm_mips_dump_host_tlbs();
+ kvm_arch_vcpu_dump_regs(vcpu);
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ } else {
+ printk
+ ("Illegal TLB Mod fault address , cause %#lx, PC: %p, BadVaddr: %#lx\n",
+ cause, opc, badvaddr);
+ kvm_mips_dump_host_tlbs();
+ kvm_arch_vcpu_dump_regs(vcpu);
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ return ret;
+}
+
+static int kvm_trap_emul_handle_tlb_st_miss(struct kvm_vcpu *vcpu)
+{
+ struct kvm_run *run = vcpu->run;
+ uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ ulong badvaddr = vcpu->arch.host_cp0_badvaddr;
+ enum emulation_result er = EMULATE_DONE;
+ int ret = RESUME_GUEST;
+
+ if (((badvaddr & PAGE_MASK) == KVM_GUEST_COMMPAGE_ADDR)
+ && KVM_GUEST_KERNEL_MODE(vcpu)) {
+ if (kvm_mips_handle_commpage_tlb_fault(badvaddr, vcpu) < 0) {
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ } else if (KVM_GUEST_KSEGX(badvaddr) < KVM_GUEST_KSEG0
+ || KVM_GUEST_KSEGX(badvaddr) == KVM_GUEST_KSEG23) {
+#ifdef DEBUG
+ kvm_debug
+ ("USER ADDR TLB LD fault: cause %#lx, PC: %p, BadVaddr: %#lx\n",
+ cause, opc, badvaddr);
+#endif
+ er = kvm_mips_handle_tlbmiss(cause, opc, run, vcpu);
+ if (er == EMULATE_DONE)
+ ret = RESUME_GUEST;
+ else {
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ } else if (KVM_GUEST_KSEGX(badvaddr) == KVM_GUEST_KSEG0) {
+ /* All KSEG0 faults are handled by KVM, as the guest kernel does not
+ * expect to ever get them
+ */
+ if (kvm_mips_handle_kseg0_tlb_fault
+ (vcpu->arch.host_cp0_badvaddr, vcpu) < 0) {
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ } else {
+ kvm_err
+ ("Illegal TLB LD fault address , cause %#lx, PC: %p, BadVaddr: %#lx\n",
+ cause, opc, badvaddr);
+ kvm_mips_dump_host_tlbs();
+ kvm_arch_vcpu_dump_regs(vcpu);
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ return ret;
+}
+
+static int kvm_trap_emul_handle_tlb_ld_miss(struct kvm_vcpu *vcpu)
+{
+ struct kvm_run *run = vcpu->run;
+ uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ ulong badvaddr = vcpu->arch.host_cp0_badvaddr;
+ enum emulation_result er = EMULATE_DONE;
+ int ret = RESUME_GUEST;
+
+ if (((badvaddr & PAGE_MASK) == KVM_GUEST_COMMPAGE_ADDR)
+ && KVM_GUEST_KERNEL_MODE(vcpu)) {
+ if (kvm_mips_handle_commpage_tlb_fault(badvaddr, vcpu) < 0) {
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ } else if (KVM_GUEST_KSEGX(badvaddr) < KVM_GUEST_KSEG0
+ || KVM_GUEST_KSEGX(badvaddr) == KVM_GUEST_KSEG23) {
+#ifdef DEBUG
+ kvm_debug("USER ADDR TLB ST fault: PC: %#lx, BadVaddr: %#lx\n",
+ vcpu->arch.pc, badvaddr);
+#endif
+
+ /* User Address (UA) fault, this could happen if
+ * (1) TLB entry not present/valid in both Guest and shadow host TLBs, in this
+ * case we pass on the fault to the guest kernel and let it handle it.
+ * (2) TLB entry is present in the Guest TLB but not in the shadow, in this
+ * case we inject the TLB from the Guest TLB into the shadow host TLB
+ */
+
+ er = kvm_mips_handle_tlbmiss(cause, opc, run, vcpu);
+ if (er == EMULATE_DONE)
+ ret = RESUME_GUEST;
+ else {
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ } else if (KVM_GUEST_KSEGX(badvaddr) == KVM_GUEST_KSEG0) {
+ if (kvm_mips_handle_kseg0_tlb_fault
+ (vcpu->arch.host_cp0_badvaddr, vcpu) < 0) {
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ } else {
+ printk
+ ("Illegal TLB ST fault address , cause %#lx, PC: %p, BadVaddr: %#lx\n",
+ cause, opc, badvaddr);
+ kvm_mips_dump_host_tlbs();
+ kvm_arch_vcpu_dump_regs(vcpu);
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ return ret;
+}
+
+static int kvm_trap_emul_handle_addr_err_st(struct kvm_vcpu *vcpu)
+{
+ struct kvm_run *run = vcpu->run;
+ uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ ulong badvaddr = vcpu->arch.host_cp0_badvaddr;
+ enum emulation_result er = EMULATE_DONE;
+ int ret = RESUME_GUEST;
+
+ if (KVM_GUEST_KERNEL_MODE(vcpu)
+ && (KSEGX(badvaddr) == CKSEG0 || KSEGX(badvaddr) == CKSEG1)) {
+#ifdef DEBUG
+ kvm_debug("Emulate Store to MMIO space\n");
+#endif
+ er = kvm_mips_emulate_inst(cause, opc, run, vcpu);
+ if (er == EMULATE_FAIL) {
+ printk("Emulate Store to MMIO space failed\n");
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ } else {
+ run->exit_reason = KVM_EXIT_MMIO;
+ ret = RESUME_HOST;
+ }
+ } else {
+ printk
+ ("Address Error (STORE): cause %#lx, PC: %p, BadVaddr: %#lx\n",
+ cause, opc, badvaddr);
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ return ret;
+}
+
+static int kvm_trap_emul_handle_addr_err_ld(struct kvm_vcpu *vcpu)
+{
+ struct kvm_run *run = vcpu->run;
+ uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ ulong badvaddr = vcpu->arch.host_cp0_badvaddr;
+ enum emulation_result er = EMULATE_DONE;
+ int ret = RESUME_GUEST;
+
+ if (KSEGX(badvaddr) == CKSEG0 || KSEGX(badvaddr) == CKSEG1) {
+#ifdef DEBUG
+ kvm_debug("Emulate Load from MMIO space @ %#lx\n", badvaddr);
+#endif
+ er = kvm_mips_emulate_inst(cause, opc, run, vcpu);
+ if (er == EMULATE_FAIL) {
+ printk("Emulate Load from MMIO space failed\n");
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ } else {
+ run->exit_reason = KVM_EXIT_MMIO;
+ ret = RESUME_HOST;
+ }
+ } else {
+ printk
+ ("Address Error (LOAD): cause %#lx, PC: %p, BadVaddr: %#lx\n",
+ cause, opc, badvaddr);
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ er = EMULATE_FAIL;
+ }
+ return ret;
+}
+
+static int kvm_trap_emul_handle_syscall(struct kvm_vcpu *vcpu)
+{
+ struct kvm_run *run = vcpu->run;
+ uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ enum emulation_result er = EMULATE_DONE;
+ int ret = RESUME_GUEST;
+
+ er = kvm_mips_emulate_syscall(cause, opc, run, vcpu);
+ if (er == EMULATE_DONE)
+ ret = RESUME_GUEST;
+ else {
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ return ret;
+}
+
+static int kvm_trap_emul_handle_res_inst(struct kvm_vcpu *vcpu)
+{
+ struct kvm_run *run = vcpu->run;
+ uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ enum emulation_result er = EMULATE_DONE;
+ int ret = RESUME_GUEST;
+
+ er = kvm_mips_handle_ri(cause, opc, run, vcpu);
+ if (er == EMULATE_DONE)
+ ret = RESUME_GUEST;
+ else {
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ return ret;
+}
+
+static int kvm_trap_emul_handle_break(struct kvm_vcpu *vcpu)
+{
+ struct kvm_run *run = vcpu->run;
+ uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
+ ulong cause = vcpu->arch.host_cp0_cause;
+ enum emulation_result er = EMULATE_DONE;
+ int ret = RESUME_GUEST;
+
+ er = kvm_mips_emulate_bp_exc(cause, opc, run, vcpu);
+ if (er == EMULATE_DONE)
+ ret = RESUME_GUEST;
+ else {
+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ ret = RESUME_HOST;
+ }
+ return ret;
+}
+
+static int
+kvm_trap_emul_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
+{
+ struct mips_coproc *cop0 = vcpu->arch.cop0;
+
+ kvm_write_c0_guest_index(cop0, regs->cp0reg[MIPS_CP0_TLB_INDEX][0]);
+ kvm_write_c0_guest_context(cop0, regs->cp0reg[MIPS_CP0_TLB_CONTEXT][0]);
+ kvm_write_c0_guest_badvaddr(cop0, regs->cp0reg[MIPS_CP0_BAD_VADDR][0]);
+ kvm_write_c0_guest_entryhi(cop0, regs->cp0reg[MIPS_CP0_TLB_HI][0]);
+ kvm_write_c0_guest_epc(cop0, regs->cp0reg[MIPS_CP0_EXC_PC][0]);
+
+ kvm_write_c0_guest_status(cop0, regs->cp0reg[MIPS_CP0_STATUS][0]);
+ kvm_write_c0_guest_cause(cop0, regs->cp0reg[MIPS_CP0_CAUSE][0]);
+ kvm_write_c0_guest_pagemask(cop0,
+ regs->cp0reg[MIPS_CP0_TLB_PG_MASK][0]);
+ kvm_write_c0_guest_wired(cop0, regs->cp0reg[MIPS_CP0_TLB_WIRED][0]);
+ kvm_write_c0_guest_errorepc(cop0, regs->cp0reg[MIPS_CP0_ERROR_PC][0]);
+
+ return 0;
+}
+
+static int
+kvm_trap_emul_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
+{
+ struct mips_coproc *cop0 = vcpu->arch.cop0;
+
+ regs->cp0reg[MIPS_CP0_TLB_INDEX][0] = kvm_read_c0_guest_index(cop0);
+ regs->cp0reg[MIPS_CP0_TLB_CONTEXT][0] = kvm_read_c0_guest_context(cop0);
+ regs->cp0reg[MIPS_CP0_BAD_VADDR][0] = kvm_read_c0_guest_badvaddr(cop0);
+ regs->cp0reg[MIPS_CP0_TLB_HI][0] = kvm_read_c0_guest_entryhi(cop0);
+ regs->cp0reg[MIPS_CP0_EXC_PC][0] = kvm_read_c0_guest_epc(cop0);
+
+ regs->cp0reg[MIPS_CP0_STATUS][0] = kvm_read_c0_guest_status(cop0);
+ regs->cp0reg[MIPS_CP0_CAUSE][0] = kvm_read_c0_guest_cause(cop0);
+ regs->cp0reg[MIPS_CP0_TLB_PG_MASK][0] =
+ kvm_read_c0_guest_pagemask(cop0);
+ regs->cp0reg[MIPS_CP0_TLB_WIRED][0] = kvm_read_c0_guest_wired(cop0);
+ regs->cp0reg[MIPS_CP0_ERROR_PC][0] = kvm_read_c0_guest_errorepc(cop0);
+
+ regs->cp0reg[MIPS_CP0_CONFIG][0] = kvm_read_c0_guest_config(cop0);
+ regs->cp0reg[MIPS_CP0_CONFIG][1] = kvm_read_c0_guest_config1(cop0);
+ regs->cp0reg[MIPS_CP0_CONFIG][2] = kvm_read_c0_guest_config2(cop0);
+ regs->cp0reg[MIPS_CP0_CONFIG][3] = kvm_read_c0_guest_config3(cop0);
+ regs->cp0reg[MIPS_CP0_CONFIG][7] = kvm_read_c0_guest_config7(cop0);
+
+ return 0;
+}
+
+static int kvm_trap_emul_vm_init(struct kvm *kvm)
+{
+ return 0;
+}
+
+static int kvm_trap_emul_vcpu_init(struct kvm_vcpu *vcpu)
+{
+ return 0;
+}
+
+static int kvm_trap_emul_vcpu_setup(struct kvm_vcpu *vcpu)
+{
+ struct mips_coproc *cop0 = vcpu->arch.cop0;
+ uint32_t config1;
+ int vcpu_id = vcpu->vcpu_id;
+
+ /* Arch specific stuff, set up config registers properly so that the
+ * guest will come up as expected, for now we simulate a
+ * MIPS 24kc
+ */
+ kvm_write_c0_guest_prid(cop0, 0x00019300);
+ kvm_write_c0_guest_config(cop0,
+ MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
+ (MMU_TYPE_R4000 << CP0C0_MT));
+
+ /* Read the cache characteristics from the host Config1 Register */
+ config1 = (read_c0_config1() & ~0x7f);
+
+ /* Set up MMU size */
+ config1 &= ~(0x3f << 25);
+ config1 |= ((KVM_MIPS_GUEST_TLB_SIZE - 1) << 25);
+
+ /* We unset some bits that we aren't emulating */
+ config1 &=
+ ~((1 << CP0C1_C2) | (1 << CP0C1_MD) | (1 << CP0C1_PC) |
+ (1 << CP0C1_WR) | (1 << CP0C1_CA));
+ kvm_write_c0_guest_config1(cop0, config1);
+
+ kvm_write_c0_guest_config2(cop0, MIPS_CONFIG2);
+ /* MIPS_CONFIG2 | (read_c0_config2() & 0xfff) */
+ kvm_write_c0_guest_config3(cop0,
+ MIPS_CONFIG3 | (0 << CP0C3_VInt) | (1 <<
+ CP0C3_ULRI));
+
+ /* Set Wait IE/IXMT Ignore in Config7, IAR, AR */
+ kvm_write_c0_guest_config7(cop0, (MIPS_CONF7_WII) | (1 << 10));
+
+ /* Setup IntCtl defaults, compatibilty mode for timer interrupts (HW5) */
+ kvm_write_c0_guest_intctl(cop0, 0xFC000000);
+
+ /* Put in vcpu id as CPUNum into Ebase Reg to handle SMP Guests */
+ kvm_write_c0_guest_ebase(cop0, KVM_GUEST_KSEG0 | (vcpu_id & 0xFF));
+
+ return 0;
+}
+
+static struct kvm_mips_callbacks kvm_trap_emul_callbacks = {
+ /* exit handlers */
+ .handle_cop_unusable = kvm_trap_emul_handle_cop_unusable,
+ .handle_tlb_mod = kvm_trap_emul_handle_tlb_mod,
+ .handle_tlb_st_miss = kvm_trap_emul_handle_tlb_st_miss,
+ .handle_tlb_ld_miss = kvm_trap_emul_handle_tlb_ld_miss,
+ .handle_addr_err_st = kvm_trap_emul_handle_addr_err_st,
+ .handle_addr_err_ld = kvm_trap_emul_handle_addr_err_ld,
+ .handle_syscall = kvm_trap_emul_handle_syscall,
+ .handle_res_inst = kvm_trap_emul_handle_res_inst,
+ .handle_break = kvm_trap_emul_handle_break,
+
+ .vm_init = kvm_trap_emul_vm_init,
+ .vcpu_init = kvm_trap_emul_vcpu_init,
+ .vcpu_setup = kvm_trap_emul_vcpu_setup,
+ .gva_to_gpa = kvm_trap_emul_gva_to_gpa_cb,
+ .queue_timer_int = kvm_mips_queue_timer_int_cb,
+ .dequeue_timer_int = kvm_mips_dequeue_timer_int_cb,
+ .queue_io_int = kvm_mips_queue_io_int_cb,
+ .dequeue_io_int = kvm_mips_dequeue_io_int_cb,
+ .irq_deliver = kvm_mips_irq_deliver_cb,
+ .irq_clear = kvm_mips_irq_clear_cb,
+ .vcpu_ioctl_get_regs = kvm_trap_emul_ioctl_get_regs,
+ .vcpu_ioctl_set_regs = kvm_trap_emul_ioctl_set_regs,
+};
+
+int kvm_mips_emulation_init(struct kvm_mips_callbacks **install_callbacks)
+{
+ *install_callbacks = &kvm_trap_emul_callbacks;
+ return 0;
+}
--
1.7.11.3
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