Re: [kvm-unit-tests PATCH] x86: Skip APIC-access address tests beyond mapped RAM

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On Tue, Sep 10, 2019 at 11:49 AM Jim Mattson <jmattson@xxxxxxxxxx> wrote:
>
> We no longer have any tests in vmx_tests.c that use
> xfail_beyond_mapped_ram. However, an upcoming change to kvm will exit
> to userspace with a kvm internal error whenever launching a nested VM
> with the vmcs12 APIC-access address set to a non-cacheable address in
> L1. Reuse the xfail_beyond_mapped_ram plumbing to support
> skip_beyond_mapped_ram, and skip any APIC-access address tests that
> use addresses beyond mapped RAM, so that the test won't induce a kvm
> internal error.
>
> Signed-off-by: Jim Mattson <jmattson@xxxxxxxxxx>
> ---
>  x86/vmx_tests.c | 289 +++++++++++++++++++++++-------------------------
>  1 file changed, 139 insertions(+), 150 deletions(-)
>
> diff --git a/x86/vmx_tests.c b/x86/vmx_tests.c
> index f035f24..5633823 100644
> --- a/x86/vmx_tests.c
> +++ b/x86/vmx_tests.c
> @@ -3351,13 +3351,13 @@ success:
>  /*
>   * Try to launch the current VMCS.
>   */
> -static void test_vmx_vmlaunch(u32 xerror, bool xfail)
> +static void test_vmx_vmlaunch(u32 xerror)
>  {
>         bool success = vmlaunch_succeeds();
>         u32 vmx_inst_err;
>
> -       report_xfail("vmlaunch %s", xfail, success == !xerror,
> -                    !xerror ? "succeeds" : "fails");
> +       report("vmlaunch %s", success == !xerror,
> +              !xerror ? "succeeds" : "fails");
>         if (!success && xerror) {
>                 vmx_inst_err = vmcs_read(VMX_INST_ERROR);
>                 report("VMX inst error is %d (actual %d)",
> @@ -3365,14 +3365,14 @@ static void test_vmx_vmlaunch(u32 xerror, bool xfail)
>         }
>  }
>
> -static void test_vmx_invalid_controls(bool xfail)
> +static void test_vmx_invalid_controls(void)
>  {
> -       test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_CONTROL_FIELD, xfail);
> +       test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_CONTROL_FIELD);
>  }
>
> -static void test_vmx_valid_controls(bool xfail)
> +static void test_vmx_valid_controls(void)
>  {
> -       test_vmx_vmlaunch(0, xfail);
> +       test_vmx_vmlaunch(0);
>  }
>
>  /*
> @@ -3410,9 +3410,9 @@ static void test_rsvd_ctl_bit_value(const char *name, union vmx_ctrl_msr msr,
>                 expected = !(msr.set & mask);
>         }
>         if (expected)
> -               test_vmx_valid_controls(false);
> +               test_vmx_valid_controls();
>         else
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>         vmcs_write(encoding, controls);
>         report_prefix_pop();
>  }
> @@ -3509,9 +3509,9 @@ static void try_cr3_target_count(unsigned i, unsigned max)
>         report_prefix_pushf("CR3 target count 0x%x", i);
>         vmcs_write(CR3_TARGET_COUNT, i);
>         if (i <= max)
> -               test_vmx_valid_controls(false);
> +               test_vmx_valid_controls();
>         else
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>         report_prefix_pop();
>  }
>
> @@ -3546,23 +3546,21 @@ static void test_vmcs_addr(const char *name,
>                            enum Encoding encoding,
>                            u64 align,
>                            bool ignored,
> -                          bool xfail_beyond_mapped_ram,
> +                          bool skip_beyond_mapped_ram,
>                            u64 addr)
>  {
> -       bool xfail =
> -               (xfail_beyond_mapped_ram &&
> -                addr > fwcfg_get_u64(FW_CFG_RAM_SIZE) - align &&
> -                addr < (1ul << cpuid_maxphyaddr()));
> -
>         report_prefix_pushf("%s = %lx", name, addr);
>         vmcs_write(encoding, addr);
> -       if (ignored || (IS_ALIGNED(addr, align) &&
> +       if (skip_beyond_mapped_ram &&
> +           addr > fwcfg_get_u64(FW_CFG_RAM_SIZE) - align &&
> +           addr < (1ul << cpuid_maxphyaddr()))
> +               printf("Skipping physical address beyond mapped RAM\n");
> +       else if (ignored || (IS_ALIGNED(addr, align) &&
>             addr < (1ul << cpuid_maxphyaddr())))
> -               test_vmx_valid_controls(xfail);
> +               test_vmx_valid_controls();
>         else
> -               test_vmx_invalid_controls(xfail);
> +               test_vmx_invalid_controls();
>         report_prefix_pop();
> -       xfail = false;
>  }
>
>  /*
> @@ -3572,7 +3570,7 @@ static void test_vmcs_addr_values(const char *name,
>                                   enum Encoding encoding,
>                                   u64 align,
>                                   bool ignored,
> -                                 bool xfail_beyond_mapped_ram,
> +                                 bool skip_beyond_mapped_ram,
>                                   u32 bit_start, u32 bit_end)
>  {
>         unsigned i;
> @@ -3580,17 +3578,17 @@ static void test_vmcs_addr_values(const char *name,
>
>         for (i = bit_start; i <= bit_end; i++)
>                 test_vmcs_addr(name, encoding, align, ignored,
> -                              xfail_beyond_mapped_ram, 1ul << i);
> +                              skip_beyond_mapped_ram, 1ul << i);
>
>         test_vmcs_addr(name, encoding, align, ignored,
> -                      xfail_beyond_mapped_ram, PAGE_SIZE - 1);
> +                      skip_beyond_mapped_ram, PAGE_SIZE - 1);
>         test_vmcs_addr(name, encoding, align, ignored,
> -                      xfail_beyond_mapped_ram, PAGE_SIZE);
> +                      skip_beyond_mapped_ram, PAGE_SIZE);
>         test_vmcs_addr(name, encoding, align, ignored,
> -                      xfail_beyond_mapped_ram,
> +                      skip_beyond_mapped_ram,
>                       (1ul << cpuid_maxphyaddr()) - PAGE_SIZE);
>         test_vmcs_addr(name, encoding, align, ignored,
> -                      xfail_beyond_mapped_ram, -1ul);
> +                      skip_beyond_mapped_ram, -1ul);
>
>         vmcs_write(encoding, orig_val);
>  }
> @@ -3602,7 +3600,7 @@ static void test_vmcs_addr_values(const char *name,
>  static void test_vmcs_addr_reference(u32 control_bit, enum Encoding field,
>                                      const char *field_name,
>                                      const char *control_name, u64 align,
> -                                    bool xfail_beyond_mapped_ram,
> +                                    bool skip_beyond_mapped_ram,
>                                      bool control_primary)
>  {
>         u32 primary = vmcs_read(CPU_EXEC_CTRL0);
> @@ -3628,7 +3626,7 @@ static void test_vmcs_addr_reference(u32 control_bit, enum Encoding field,
>         }
>
>         test_vmcs_addr_values(field_name, field, align, false,
> -                             xfail_beyond_mapped_ram, 0, 63);
> +                             skip_beyond_mapped_ram, 0, 63);
>         report_prefix_pop();
>
>         report_prefix_pushf("%s disabled", control_name);
> @@ -3716,7 +3714,7 @@ static void test_apic_access_addr(void)
>         test_vmcs_addr_reference(CPU_VIRT_APIC_ACCESSES, APIC_ACCS_ADDR,
>                                  "APIC-access address",
>                                  "virtualize APIC-accesses", PAGE_SIZE,
> -                                false, false);
> +                                true, false);
>  }
>
>  static bool set_bit_pattern(u8 mask, u32 *secondary)
> @@ -3789,9 +3787,9 @@ static void test_apic_virtual_ctls(void)
>                         report_prefix_pushf("Use TPR shadow %s, virtualize x2APIC mode %s, APIC-register virtualization %s, virtual-interrupt delivery %s",
>                                 str, (secondary & CPU_VIRT_X2APIC) ? "enabled" : "disabled", (secondary & CPU_APIC_REG_VIRT) ? "enabled" : "disabled", (secondary & CPU_VINTD) ? "enabled" : "disabled");
>                         if (ctrl)
> -                               test_vmx_valid_controls(false);
> +                               test_vmx_valid_controls();
>                         else
> -                               test_vmx_invalid_controls(false);
> +                               test_vmx_invalid_controls();
>                         report_prefix_pop();
>                 }
>
> @@ -3818,22 +3816,22 @@ static void test_apic_virtual_ctls(void)
>         secondary &= ~CPU_VIRT_APIC_ACCESSES;
>         vmcs_write(CPU_EXEC_CTRL1, secondary & ~CPU_VIRT_X2APIC);
>         report_prefix_pushf("Virtualize x2APIC mode disabled; virtualize APIC access disabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         vmcs_write(CPU_EXEC_CTRL1, secondary | CPU_VIRT_APIC_ACCESSES);
>         report_prefix_pushf("Virtualize x2APIC mode disabled; virtualize APIC access enabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         vmcs_write(CPU_EXEC_CTRL1, secondary | CPU_VIRT_X2APIC);
>         report_prefix_pushf("Virtualize x2APIC mode enabled; virtualize APIC access enabled");
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         vmcs_write(CPU_EXEC_CTRL1, secondary & ~CPU_VIRT_APIC_ACCESSES);
>         report_prefix_pushf("Virtualize x2APIC mode enabled; virtualize APIC access disabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         vmcs_write(CPU_EXEC_CTRL0, saved_primary);
> @@ -3862,22 +3860,22 @@ static void test_virtual_intr_ctls(void)
>         vmcs_write(CPU_EXEC_CTRL1, secondary & ~CPU_VINTD);
>         vmcs_write(PIN_CONTROLS, pin & ~PIN_EXTINT);
>         report_prefix_pushf("Virtualize interrupt-delivery disabled; external-interrupt exiting disabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         vmcs_write(CPU_EXEC_CTRL1, secondary | CPU_VINTD);
>         report_prefix_pushf("Virtualize interrupt-delivery enabled; external-interrupt exiting disabled");
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         vmcs_write(PIN_CONTROLS, pin | PIN_EXTINT);
>         report_prefix_pushf("Virtualize interrupt-delivery enabled; external-interrupt exiting enabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         vmcs_write(PIN_CONTROLS, pin & ~PIN_EXTINT);
>         report_prefix_pushf("Virtualize interrupt-delivery enabled; external-interrupt exiting disabled");
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         vmcs_write(CPU_EXEC_CTRL0, saved_primary);
> @@ -3890,9 +3888,9 @@ static void test_pi_desc_addr(u64 addr, bool ctrl)
>         vmcs_write(POSTED_INTR_DESC_ADDR, addr);
>         report_prefix_pushf("Process-posted-interrupts enabled; posted-interrupt-descriptor-address 0x%lx", addr);
>         if (ctrl)
> -               test_vmx_valid_controls(false);
> +               test_vmx_valid_controls();
>         else
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>         report_prefix_pop();
>  }
>
> @@ -3937,37 +3935,37 @@ static void test_posted_intr(void)
>         secondary &= ~CPU_VINTD;
>         vmcs_write(CPU_EXEC_CTRL1, secondary);
>         report_prefix_pushf("Process-posted-interrupts enabled; virtual-interrupt-delivery disabled");
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         secondary |= CPU_VINTD;
>         vmcs_write(CPU_EXEC_CTRL1, secondary);
>         report_prefix_pushf("Process-posted-interrupts enabled; virtual-interrupt-delivery enabled");
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         exit_ctl &= ~EXI_INTA;
>         vmcs_write(EXI_CONTROLS, exit_ctl);
>         report_prefix_pushf("Process-posted-interrupts enabled; virtual-interrupt-delivery enabled; acknowledge-interrupt-on-exit disabled");
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         exit_ctl |= EXI_INTA;
>         vmcs_write(EXI_CONTROLS, exit_ctl);
>         report_prefix_pushf("Process-posted-interrupts enabled; virtual-interrupt-delivery enabled; acknowledge-interrupt-on-exit enabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         secondary &= ~CPU_VINTD;
>         vmcs_write(CPU_EXEC_CTRL1, secondary);
>         report_prefix_pushf("Process-posted-interrupts enabled; virtual-interrupt-delivery disabled; acknowledge-interrupt-on-exit enabled");
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         secondary |= CPU_VINTD;
>         vmcs_write(CPU_EXEC_CTRL1, secondary);
>         report_prefix_pushf("Process-posted-interrupts enabled; virtual-interrupt-delivery enabled; acknowledge-interrupt-on-exit enabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         /*
> @@ -3977,21 +3975,21 @@ static void test_posted_intr(void)
>                 vec = (1ul << i);
>                 vmcs_write(PINV, vec);
>                 report_prefix_pushf("Process-posted-interrupts enabled; posted-interrupt-notification-vector %u", vec);
> -               test_vmx_valid_controls(false);
> +               test_vmx_valid_controls();
>                 report_prefix_pop();
>         }
>         for (i = 8; i < 16; i++) {
>                 vec = (1ul << i);
>                 vmcs_write(PINV, vec);
>                 report_prefix_pushf("Process-posted-interrupts enabled; posted-interrupt-notification-vector %u", vec);
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>                 report_prefix_pop();
>         }
>
>         vec &= ~(0xff << 8);
>         vmcs_write(PINV, vec);
>         report_prefix_pushf("Process-posted-interrupts enabled; posted-interrupt-notification-vector %u", vec);
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         /*
> @@ -4048,19 +4046,19 @@ static void test_vpid(void)
>         vmcs_write(CPU_EXEC_CTRL1, saved_secondary & ~CPU_VPID);
>         vmcs_write(VPID, vpid);
>         report_prefix_pushf("VPID disabled; VPID value %x", vpid);
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         vmcs_write(CPU_EXEC_CTRL1, saved_secondary | CPU_VPID);
>         report_prefix_pushf("VPID enabled; VPID value %x", vpid);
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         for (i = 0; i < 16; i++) {
>                 vpid = (short)1 << i;;
>                 vmcs_write(VPID, vpid);
>                 report_prefix_pushf("VPID enabled; VPID value %x", vpid);
> -               test_vmx_valid_controls(false);
> +               test_vmx_valid_controls();
>                 report_prefix_pop();
>         }
>
> @@ -4088,9 +4086,9 @@ static void try_tpr_threshold_and_vtpr(unsigned threshold, unsigned vtpr)
>         report_prefix_pushf("TPR threshold 0x%x, VTPR.class 0x%x",
>             threshold, (vtpr >> 4) & 0xf);
>         if (valid)
> -               test_vmx_valid_controls(false);
> +               test_vmx_valid_controls();
>         else
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>         report_prefix_pop();
>  }
>
> @@ -4117,7 +4115,7 @@ static void test_invalid_event_injection(void)
>                             "RESERVED interruption type invalid [-]",
>                             ent_intr_info);
>         vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         ent_intr_info = ent_intr_info_base | INTR_TYPE_EXT_INTR |
> @@ -4126,7 +4124,7 @@ static void test_invalid_event_injection(void)
>                             "RESERVED interruption type invalid [+]",
>                             ent_intr_info);
>         vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         /* If the interruption type is other event, the vector is 0. */
> @@ -4135,7 +4133,7 @@ static void test_invalid_event_injection(void)
>                             "(OTHER EVENT && vector != 0) invalid [-]",
>                             ent_intr_info);
>         vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         /* If the interruption type is NMI, the vector is 2 (negative case). */
> @@ -4143,7 +4141,7 @@ static void test_invalid_event_injection(void)
>         report_prefix_pushf("%s, VM-entry intr info=0x%x",
>                             "(NMI && vector != 2) invalid [-]", ent_intr_info);
>         vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         /* If the interruption type is NMI, the vector is 2 (positive case). */
> @@ -4151,7 +4149,7 @@ static void test_invalid_event_injection(void)
>         report_prefix_pushf("%s, VM-entry intr info=0x%x",
>                             "(NMI && vector == 2) valid [+]", ent_intr_info);
>         vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         /*
> @@ -4163,7 +4161,7 @@ static void test_invalid_event_injection(void)
>                             "(HW exception && vector > 31) invalid [-]",
>                             ent_intr_info);
>         vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         /*
> @@ -4183,7 +4181,7 @@ static void test_invalid_event_injection(void)
>                             ent_intr_info);
>         vmcs_write(GUEST_CR0, guest_cr0_save & ~X86_CR0_PE & ~X86_CR0_PG);
>         vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         ent_intr_info = ent_intr_info_base | INTR_INFO_DELIVER_CODE_MASK |
> @@ -4193,7 +4191,7 @@ static void test_invalid_event_injection(void)
>                             ent_intr_info);
>         vmcs_write(GUEST_CR0, guest_cr0_save & ~X86_CR0_PE & ~X86_CR0_PG);
>         vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         if (enable_unrestricted_guest())
> @@ -4206,7 +4204,7 @@ static void test_invalid_event_injection(void)
>                             ent_intr_info);
>         vmcs_write(GUEST_CR0, guest_cr0_save & ~X86_CR0_PE & ~X86_CR0_PG);
>         vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         ent_intr_info = ent_intr_info_base | INTR_TYPE_HARD_EXCEPTION |
> @@ -4216,7 +4214,7 @@ static void test_invalid_event_injection(void)
>                             ent_intr_info);
>         vmcs_write(GUEST_CR0, guest_cr0_save | X86_CR0_PE);
>         vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         vmcs_write(CPU_EXEC_CTRL1, secondary_save);
> @@ -4238,7 +4236,7 @@ skip_unrestricted_guest:
>                 report_prefix_pushf("VM-entry intr info=0x%x [-]",
>                                     ent_intr_info);
>                 vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>                 report_prefix_pop();
>         }
>         report_prefix_pop();
> @@ -4272,7 +4270,7 @@ skip_unrestricted_guest:
>                 report_prefix_pushf("VM-entry intr info=0x%x [-]",
>                                     ent_intr_info);
>                 vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>                 report_prefix_pop();
>
>                 /* Positive case */
> @@ -4284,7 +4282,7 @@ skip_unrestricted_guest:
>                 report_prefix_pushf("VM-entry intr info=0x%x [+]",
>                                     ent_intr_info);
>                 vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -               test_vmx_valid_controls(false);
> +               test_vmx_valid_controls();
>                 report_prefix_pop();
>         }
>         report_prefix_pop();
> @@ -4299,7 +4297,7 @@ skip_unrestricted_guest:
>                 report_prefix_pushf("VM-entry intr info=0x%x [-]",
>                                     ent_intr_info);
>                 vmcs_write(ENT_INTR_INFO, ent_intr_info);
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>                 report_prefix_pop();
>         }
>         report_prefix_pop();
> @@ -4319,7 +4317,7 @@ skip_unrestricted_guest:
>                 report_prefix_pushf("VM-entry intr error=0x%x [-]",
>                                     ent_intr_err);
>                 vmcs_write(ENT_INTR_ERROR, ent_intr_err);
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>                 report_prefix_pop();
>         }
>         vmcs_write(ENT_INTR_ERROR, 0x00000000);
> @@ -4356,7 +4354,7 @@ skip_unrestricted_guest:
>                 report_prefix_pushf("VM-entry intr length = 0x%x [-]",
>                                     ent_intr_len);
>                 vmcs_write(ENT_INST_LEN, ent_intr_len);
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>                 report_prefix_pop();
>
>                 /* Instruction length set to 16 should fail */
> @@ -4364,7 +4362,7 @@ skip_unrestricted_guest:
>                 report_prefix_pushf("VM-entry intr length = 0x%x [-]",
>                                     ent_intr_len);
>                 vmcs_write(ENT_INST_LEN, 0x00000010);
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>                 report_prefix_pop();
>
>                 report_prefix_pop();
> @@ -4405,9 +4403,9 @@ static void try_tpr_threshold(unsigned threshold)
>         vmcs_write(TPR_THRESHOLD, threshold);
>         report_prefix_pushf("TPR threshold 0x%x, VTPR.class 0xf", threshold);
>         if (valid)
> -               test_vmx_valid_controls(false);
> +               test_vmx_valid_controls();
>         else
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         if (valid)
> @@ -4557,22 +4555,22 @@ static void test_nmi_ctrls(void)
>
>         vmcs_write(PIN_CONTROLS, test_pin_ctrls);
>         report_prefix_pushf("NMI-exiting disabled, virtual-NMIs disabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         vmcs_write(PIN_CONTROLS, test_pin_ctrls | PIN_VIRT_NMI);
>         report_prefix_pushf("NMI-exiting disabled, virtual-NMIs enabled");
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         vmcs_write(PIN_CONTROLS, test_pin_ctrls | (PIN_NMI | PIN_VIRT_NMI));
>         report_prefix_pushf("NMI-exiting enabled, virtual-NMIs enabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         vmcs_write(PIN_CONTROLS, test_pin_ctrls | PIN_NMI);
>         report_prefix_pushf("NMI-exiting enabled, virtual-NMIs disabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         if (!(ctrl_cpu_rev[0].clr & CPU_NMI_WINDOW)) {
> @@ -4583,25 +4581,25 @@ static void test_nmi_ctrls(void)
>         vmcs_write(PIN_CONTROLS, test_pin_ctrls);
>         vmcs_write(CPU_EXEC_CTRL0, test_cpu_ctrls0 | CPU_NMI_WINDOW);
>         report_prefix_pushf("Virtual-NMIs disabled, NMI-window-exiting enabled");
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         vmcs_write(PIN_CONTROLS, test_pin_ctrls);
>         vmcs_write(CPU_EXEC_CTRL0, test_cpu_ctrls0);
>         report_prefix_pushf("Virtual-NMIs disabled, NMI-window-exiting disabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         vmcs_write(PIN_CONTROLS, test_pin_ctrls | (PIN_NMI | PIN_VIRT_NMI));
>         vmcs_write(CPU_EXEC_CTRL0, test_cpu_ctrls0 | CPU_NMI_WINDOW);
>         report_prefix_pushf("Virtual-NMIs enabled, NMI-window-exiting enabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         vmcs_write(PIN_CONTROLS, test_pin_ctrls | (PIN_NMI | PIN_VIRT_NMI));
>         vmcs_write(CPU_EXEC_CTRL0, test_cpu_ctrls0);
>         report_prefix_pushf("Virtual-NMIs enabled, NMI-window-exiting disabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         /* Restore the controls to their original values */
> @@ -4616,9 +4614,9 @@ static void test_eptp_ad_bit(u64 eptp, bool ctrl)
>         report_prefix_pushf("Enable-EPT enabled; EPT accessed and dirty flag %s",
>             (eptp & EPTP_AD_FLAG) ? "1": "0");
>         if (ctrl)
> -               test_vmx_valid_controls(false);
> +               test_vmx_valid_controls();
>         else
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>         report_prefix_pop();
>
>  }
> @@ -4702,9 +4700,9 @@ static void test_ept_eptp(void)
>                 report_prefix_pushf("Enable-EPT enabled; EPT memory type %lu",
>                     eptp & EPT_MEM_TYPE_MASK);
>                 if (ctrl)
> -                       test_vmx_valid_controls(false);
> +                       test_vmx_valid_controls();
>                 else
> -                       test_vmx_invalid_controls(false);
> +                       test_vmx_invalid_controls();
>                 report_prefix_pop();
>         }
>
> @@ -4725,9 +4723,9 @@ static void test_ept_eptp(void)
>                 report_prefix_pushf("Enable-EPT enabled; EPT page walk length %lu",
>                     eptp & EPTP_PG_WALK_LEN_MASK);
>                 if (ctrl)
> -                       test_vmx_valid_controls(false);
> +                       test_vmx_valid_controls();
>                 else
> -                       test_vmx_invalid_controls(false);
> +                       test_vmx_invalid_controls();
>                 report_prefix_pop();
>         }
>
> @@ -4765,9 +4763,9 @@ static void test_ept_eptp(void)
>                     (eptp >> EPTP_RESERV_BITS_SHIFT) &
>                     EPTP_RESERV_BITS_MASK);
>                 if (i == 0)
> -                       test_vmx_valid_controls(false);
> +                       test_vmx_valid_controls();
>                 else
> -                       test_vmx_invalid_controls(false);
> +                       test_vmx_invalid_controls();
>                 report_prefix_pop();
>         }
>
> @@ -4785,16 +4783,16 @@ static void test_ept_eptp(void)
>                 report_prefix_pushf("Enable-EPT enabled; reserved bits [63:N] %lu",
>                     (eptp >> maxphysaddr) & resv_bits_mask);
>                 if (j < maxphysaddr)
> -                       test_vmx_valid_controls(false);
> +                       test_vmx_valid_controls();
>                 else
> -                       test_vmx_invalid_controls(false);
> +                       test_vmx_invalid_controls();
>                 report_prefix_pop();
>         }
>
>         secondary &= ~(CPU_EPT | CPU_URG);
>         vmcs_write(CPU_EXEC_CTRL1, secondary);
>         report_prefix_pushf("Enable-EPT disabled, unrestricted-guest disabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         if (!(ctrl_cpu_rev[1].clr & CPU_URG))
> @@ -4803,20 +4801,20 @@ static void test_ept_eptp(void)
>         secondary |= CPU_URG;
>         vmcs_write(CPU_EXEC_CTRL1, secondary);
>         report_prefix_pushf("Enable-EPT disabled, unrestricted-guest enabled");
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         secondary |= CPU_EPT;
>         setup_dummy_ept();
>         report_prefix_pushf("Enable-EPT enabled, unrestricted-guest enabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>  skip_unrestricted_guest:
>         secondary &= ~CPU_URG;
>         vmcs_write(CPU_EXEC_CTRL1, secondary);
>         report_prefix_pushf("Enable-EPT enabled, unrestricted-guest disabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         vmcs_write(CPU_EXEC_CTRL0, primary_saved);
> @@ -4853,25 +4851,25 @@ static void test_pml(void)
>         secondary &= ~(CPU_PML | CPU_EPT);
>         vmcs_write(CPU_EXEC_CTRL1, secondary);
>         report_prefix_pushf("enable-PML disabled, enable-EPT disabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         secondary |= CPU_PML;
>         vmcs_write(CPU_EXEC_CTRL1, secondary);
>         report_prefix_pushf("enable-PML enabled, enable-EPT disabled");
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         secondary |= CPU_EPT;
>         setup_dummy_ept();
>         report_prefix_pushf("enable-PML enabled, enable-EPT enabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         secondary &= ~CPU_PML;
>         vmcs_write(CPU_EXEC_CTRL1, secondary);
>         report_prefix_pushf("enable-PML disabled, enable EPT enabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         test_vmcs_addr_reference(CPU_PML, PMLADDR, "PML address", "PML",
> @@ -4905,25 +4903,25 @@ static void test_vmx_preemption_timer(void)
>         exit &= ~EXI_SAVE_PREEMPT;
>         vmcs_write(EXI_CONTROLS, exit);
>         report_prefix_pushf("enable-VMX-preemption-timer enabled, save-VMX-preemption-timer disabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         exit |= EXI_SAVE_PREEMPT;
>         vmcs_write(EXI_CONTROLS, exit);
>         report_prefix_pushf("enable-VMX-preemption-timer enabled, save-VMX-preemption-timer enabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         pin &= ~PIN_PREEMPT;
>         vmcs_write(PIN_CONTROLS, pin);
>         report_prefix_pushf("enable-VMX-preemption-timer disabled, save-VMX-preemption-timer enabled");
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         report_prefix_pop();
>
>         exit &= ~EXI_SAVE_PREEMPT;
>         vmcs_write(EXI_CONTROLS, exit);
>         report_prefix_pushf("enable-VMX-preemption-timer disabled, save-VMX-preemption-timer disabled");
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         report_prefix_pop();
>
>         vmcs_write(PIN_CONTROLS, saved_pin);
> @@ -4983,7 +4981,7 @@ static void test_entry_msr_load(void)
>                 vmcs_write(ENTER_MSR_LD_ADDR, tmp);
>                 report_prefix_pushf("VM-entry MSR-load addr [4:0] %lx",
>                                     tmp & 0xf);
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>                 report_prefix_pop();
>         }
>
> @@ -5005,16 +5003,16 @@ static void test_entry_msr_load(void)
>                         1ul << i;
>                 vmcs_write(ENTER_MSR_LD_ADDR,
>                            tmp - (entry_msr_ld_cnt * 16 - 1));
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>         }
>
>         vmcs_write(ENT_MSR_LD_CNT, 2);
>         vmcs_write(ENTER_MSR_LD_ADDR, (1ULL << cpuid_maxphyaddr()) - 16);
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         vmcs_write(ENTER_MSR_LD_ADDR, (1ULL << cpuid_maxphyaddr()) - 32);
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         vmcs_write(ENTER_MSR_LD_ADDR, (1ULL << cpuid_maxphyaddr()) - 48);
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>  }
>
>  static void guest_state_test_main(void)
> @@ -5088,7 +5086,7 @@ static void test_exit_msr_store(void)
>                 vmcs_write(EXIT_MSR_ST_ADDR, tmp);
>                 report_prefix_pushf("VM-exit MSR-store addr [4:0] %lx",
>                                     tmp & 0xf);
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>                 report_prefix_pop();
>         }
>
> @@ -5110,16 +5108,16 @@ static void test_exit_msr_store(void)
>                         1ul << i;
>                 vmcs_write(EXIT_MSR_ST_ADDR,
>                            tmp - (exit_msr_st_cnt * 16 - 1));
> -               test_vmx_invalid_controls(false);
> +               test_vmx_invalid_controls();
>         }
>
>         vmcs_write(EXI_MSR_ST_CNT, 2);
>         vmcs_write(EXIT_MSR_ST_ADDR, (1ULL << cpuid_maxphyaddr()) - 16);
> -       test_vmx_invalid_controls(false);
> +       test_vmx_invalid_controls();
>         vmcs_write(EXIT_MSR_ST_ADDR, (1ULL << cpuid_maxphyaddr()) - 32);
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>         vmcs_write(EXIT_MSR_ST_ADDR, (1ULL << cpuid_maxphyaddr()) - 48);
> -       test_vmx_valid_controls(false);
> +       test_vmx_valid_controls();
>  }
>
>  /*
> @@ -6616,12 +6614,12 @@ static void test_sysenter_field(u32 field, const char *name)
>
>         vmcs_write(field, NONCANONICAL);
>         report_prefix_pushf("%s non-canonical", name);
> -       test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD, false);
> +       test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD);
>         report_prefix_pop();
>
>         vmcs_write(field, 0xffffffff);
>         report_prefix_pushf("%s canonical", name);
> -       test_vmx_vmlaunch(0, false);
> +       test_vmx_vmlaunch(0);
>         report_prefix_pop();
>
>         vmcs_write(field, addr_saved);
> @@ -6640,10 +6638,9 @@ static void test_ctl_reg(const char *cr_name, u64 cr, u64 fixed0, u64 fixed1)
>                 vmcs_write(cr, val);
>         report_prefix_pushf("%s %lx", cr_name, val);
>         if (val == fixed0)
> -               test_vmx_vmlaunch(0, false);
> +               test_vmx_vmlaunch(0);
>         else
> -               test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD,
> -                                 false);
> +               test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD);
>         report_prefix_pop();
>
>         for (i = 0; i < 64; i++) {
> @@ -6658,8 +6655,7 @@ static void test_ctl_reg(const char *cr_name, u64 cr, u64 fixed0, u64 fixed1)
>                         report_prefix_pushf("%s %llx", cr_name,
>                                                 cr_saved | (1ull << i));
>                         test_vmx_vmlaunch(
> -                                       VMXERR_ENTRY_INVALID_HOST_STATE_FIELD,
> -                                       false);
> +                               VMXERR_ENTRY_INVALID_HOST_STATE_FIELD);
>                         report_prefix_pop();
>                 }
>
> @@ -6669,8 +6665,7 @@ static void test_ctl_reg(const char *cr_name, u64 cr, u64 fixed0, u64 fixed1)
>                         report_prefix_pushf("%s %llx", cr_name,
>                                                 cr_saved & ~(1ull << i));
>                         test_vmx_vmlaunch(
> -                                       VMXERR_ENTRY_INVALID_HOST_STATE_FIELD,
> -                                       false);
> +                               VMXERR_ENTRY_INVALID_HOST_STATE_FIELD);
>                         report_prefix_pop();
>                 }
>         }
> @@ -6711,8 +6706,7 @@ static void test_host_ctl_regs(void)
>                 cr3 = cr3_saved | (1ul << i);
>                 vmcs_write(HOST_CR3, cr3);
>                 report_prefix_pushf("HOST_CR3 %lx", cr3);
> -               test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD,
> -                                 false);
> +               test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD);
>                 report_prefix_pop();
>         }
>
> @@ -6733,14 +6727,14 @@ static void test_efer_bit(u32 fld, const char * fld_name, u32 ctrl_fld,
>         vmcs_write(fld, efer);
>         report_prefix_pushf("%s bit turned off, %s %lx", efer_bit_name,
>                             fld_name, efer);
> -       test_vmx_vmlaunch(0, false);
> +       test_vmx_vmlaunch(0);
>         report_prefix_pop();
>
>         efer = efer_saved | efer_bit;
>         vmcs_write(fld, efer);
>         report_prefix_pushf("%s bit turned on, %s %lx", efer_bit_name,
>                             fld_name, efer);
> -       test_vmx_vmlaunch(0, false);
> +       test_vmx_vmlaunch(0);
>         report_prefix_pop();
>
>         vmcs_write(ctrl_fld, ctrl_saved | ctrl_bit);
> @@ -6749,10 +6743,9 @@ static void test_efer_bit(u32 fld, const char * fld_name, u32 ctrl_fld,
>         report_prefix_pushf("%s bit turned off, %s %lx", efer_bit_name,
>                             fld_name, efer);
>         if (host_addr_size)
> -               test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD,
> -                                 false);
> +               test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD);
>         else
> -               test_vmx_vmlaunch(0, false);
> +               test_vmx_vmlaunch(0);
>         report_prefix_pop();
>
>         efer = efer_saved | efer_bit;
> @@ -6760,10 +6753,9 @@ static void test_efer_bit(u32 fld, const char * fld_name, u32 ctrl_fld,
>         report_prefix_pushf("%s bit turned on, %s %lx", efer_bit_name,
>                             fld_name, efer);
>         if (host_addr_size)
> -               test_vmx_vmlaunch(0, false);
> +               test_vmx_vmlaunch(0);
>         else
> -               test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD,
> -                                 false);
> +               test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD);
>         report_prefix_pop();
>
>         vmcs_write(ctrl_fld, ctrl_saved);
> @@ -6791,7 +6783,7 @@ static void test_efer(u32 fld, const char * fld_name, u32 ctrl_fld,
>                         efer = efer_saved | (1ull << i);
>                         vmcs_write(fld, efer);
>                         report_prefix_pushf("%s %lx", fld_name, efer);
> -                       test_vmx_vmlaunch(0, false);
> +                       test_vmx_vmlaunch(0);
>                         report_prefix_pop();
>                 }
>         }
> @@ -6803,8 +6795,7 @@ static void test_efer(u32 fld, const char * fld_name, u32 ctrl_fld,
>                         vmcs_write(fld, efer);
>                         report_prefix_pushf("%s %lx", fld_name, efer);
>                         test_vmx_vmlaunch(
> -                               VMXERR_ENTRY_INVALID_HOST_STATE_FIELD,
> -                               false);
> +                               VMXERR_ENTRY_INVALID_HOST_STATE_FIELD);
>                         report_prefix_pop();
>                 }
>         }
> @@ -6868,7 +6859,7 @@ static void test_pat(u32 field, const char * field_name, u32 ctrl_field,
>                         vmcs_write(field, val);
>                         if (field == HOST_PAT) {
>                                 report_prefix_pushf("%s %lx", field_name, val);
> -                               test_vmx_vmlaunch(0, false);
> +                               test_vmx_vmlaunch(0);
>                                 report_prefix_pop();
>
>                         } else {        // GUEST_PAT
> @@ -6895,7 +6886,7 @@ static void test_pat(u32 field, const char * field_name, u32 ctrl_field,
>                                 else
>                                         error = 0;
>
> -                               test_vmx_vmlaunch(error, false);
> +                               test_vmx_vmlaunch(error);
>                                 report_prefix_pop();
>
>                         } else {        // GUEST_PAT
> @@ -6981,9 +6972,9 @@ static void test_vmcs_field(u64 field, const char *field_name, u32 bit_start,
>         vmcs_write(field, tmp);
>         report_prefix_pushf("%s %lx", field_name, tmp);
>         if (valid_val)
> -               test_vmx_vmlaunch(0, false);
> +               test_vmx_vmlaunch(0);
>         else
> -               test_vmx_vmlaunch(error, false);
> +               test_vmx_vmlaunch(error);
>         report_prefix_pop();
>
>         for (i = bit_start; i <= bit_end; i = i + 2) {
> @@ -6995,9 +6986,9 @@ static void test_vmcs_field(u64 field, const char *field_name, u32 bit_start,
>                 vmcs_write(field, tmp);
>                 report_prefix_pushf("%s %lx", field_name, tmp);
>                 if (valid_val)
> -                       test_vmx_vmlaunch(error, false);
> +                       test_vmx_vmlaunch(error);
>                 else
> -                       test_vmx_vmlaunch(0, false);
> +                       test_vmx_vmlaunch(0);
>                 report_prefix_pop();
>         }
>
> @@ -7011,19 +7002,17 @@ static void test_canonical(u64 field, const char * field_name)
>
>         report_prefix_pushf("%s %lx", field_name, addr);
>         if (is_canonical(addr)) {
> -               test_vmx_vmlaunch(0, false);
> +               test_vmx_vmlaunch(0);
>                 report_prefix_pop();
>
>                 addr = make_non_canonical(addr);
>                 vmcs_write(field, addr);
>                 report_prefix_pushf("%s %lx", field_name, addr);
> -               test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD,
> -                                 false);
> +               test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD);
>
>                 vmcs_write(field, addr_saved);
>         } else {
> -               test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD,
> -                                 false);
> +               test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD);
>         }
>         report_prefix_pop();
>  }
> @@ -7076,14 +7065,14 @@ static void test_host_segment_regs(void)
>         vmcs_write(HOST_SEL_SS, 0);
>         if (exit_ctrl_saved & EXI_HOST_64) {
>                 report_prefix_pushf("HOST_SEL_SS 0");
> -               test_vmx_vmlaunch(0, false);
> +               test_vmx_vmlaunch(0);
>                 report_prefix_pop();
>
>                 vmcs_write(EXI_CONTROLS, exit_ctrl_saved & ~EXI_HOST_64);
>         }
>
>         report_prefix_pushf("HOST_SEL_SS 0");
> -       test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD, false);
> +       test_vmx_vmlaunch(VMXERR_ENTRY_INVALID_HOST_STATE_FIELD);
>         report_prefix_pop();
>
>         vmcs_write(HOST_SEL_SS, selector_saved);
> --
> 2.23.0.162.g0b9fbb3734-goog
>
Note that this change (or something like it) will be necessary to
avoid KVM internal errors if my patch, "KVM: nVMX: Don't leak L1 MMIO
regions to L2," is accepted.



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