On Wed, Aug 30, 2023 at 2:07 AM Sean Christopherson <seanjc@xxxxxxxxxx> wrote: > > Selftests changes for 6.6. The big highlight (and really the highlight of all > the x86 pull requests IMO) is the addition of printf() support in guest code, > courtesy of Aaron. > > Speaking of which, the vast majority of this has been merged into the s390 tree, > i.e. if you do the s390 pull request first you'll already have most of this. > The immutable tag I created has waaaay more stuff than was strictly needed by > the s390 folks, but I forgot to create the tag earlier and I wasn't sure if > they had already merged kvm-x86/selftests, so I went with the approach I was > most confident wouldn't throw a wrench in s390 or delay their pull request, even > though the result is rather gross. Pulling this first for exactly this reason, thanks. Paolo > The following changes since commit fdf0eaf11452d72945af31804e2a1048ee1b574c: > > Linux 6.5-rc2 (2023-07-16 15:10:37 -0700) > > are available in the Git repository at: > > https://github.com/kvm-x86/linux.git tags/kvm-x86-selftests-6.6 > > for you to fetch changes up to c92b922a8c526e1bb11945a703cba9f85976de7e: > > KVM: x86: Update MAINTAINTERS to include selftests (2023-08-25 09:04:34 -0700) > > ---------------------------------------------------------------- > KVM: x86: Selftests changes for 6.6: > > - Add testcases to x86's sync_regs_test for detecting KVM TOCTOU bugs > > - Add support for printf() in guest code and covert all guest asserts to use > printf-based reporting > > - Clean up the PMU event filter test and add new testcases > > - Include x86 selftests in the KVM x86 MAINTAINERS entry > > ---------------------------------------------------------------- > Aaron Lewis (5): > KVM: selftests: Add strnlen() to the string overrides > KVM: selftests: Add guest_snprintf() to KVM selftests > KVM: selftests: Add additional pages to the guest to accommodate ucall > KVM: selftests: Add string formatting options to ucall > KVM: selftests: Add a selftest for guest prints and formatted asserts > > Bibo Mao (1): > KVM: selftests: use unified time type for comparison > > Jinrong Liang (6): > KVM: selftests: Add x86 properties for Intel PMU in processor.h > KVM: selftests: Drop the return of remove_event() > KVM: selftests: Introduce "struct __kvm_pmu_event_filter" to manipulate filter > KVM: selftests: Add test cases for unsupported PMU event filter input values > KVM: selftests: Test if event filter meets expectations on fixed counters > KVM: selftests: Test gp event filters don't affect fixed event filters > > Michal Luczaj (4): > KVM: x86: Fix KVM_CAP_SYNC_REGS's sync_regs() TOCTOU issues > KVM: selftests: Extend x86's sync_regs_test to check for CR4 races > KVM: selftests: Extend x86's sync_regs_test to check for event vector races > KVM: selftests: Extend x86's sync_regs_test to check for exception races > > Minjie Du (1): > KVM: selftests: Remove superfluous variable assignment > > Sean Christopherson (33): > KVM: selftests: Make TEST_ASSERT_EQ() output look like normal TEST_ASSERT() > KVM: selftests: Add a shameful hack to preserve/clobber GPRs across ucall > KVM: selftests: Add formatted guest assert support in ucall framework > KVM: selftests: Add arch ucall.h and inline simple arch hooks > KVM: selftests: Add #define of expected KVM exit reason for ucall > KVM: selftests: Convert aarch_timer to printf style GUEST_ASSERT > KVM: selftests: Convert debug-exceptions to printf style GUEST_ASSERT > KVM: selftests: Convert ARM's hypercalls test to printf style GUEST_ASSERT > KVM: selftests: Convert ARM's page fault test to printf style GUEST_ASSERT > KVM: selftests: Convert ARM's vGIC IRQ test to printf style GUEST_ASSERT > KVM: selftests: Convert the memslot performance test to printf guest asserts > KVM: selftests: Convert s390's memop test to printf style GUEST_ASSERT > KVM: selftests: Convert s390's tprot test to printf style GUEST_ASSERT > KVM: selftests: Convert set_memory_region_test to printf-based GUEST_ASSERT > KVM: selftests: Convert steal_time test to printf style GUEST_ASSERT > KVM: selftests: Convert x86's CPUID test to printf style GUEST_ASSERT > KVM: selftests: Convert the Hyper-V extended hypercalls test to printf asserts > KVM: selftests: Convert the Hyper-V feature test to printf style GUEST_ASSERT > KVM: selftests: Convert x86's KVM paravirt test to printf style GUEST_ASSERT > KVM: selftests: Convert the MONITOR/MWAIT test to use printf guest asserts > KVM: selftests: Convert x86's nested exceptions test to printf guest asserts > KVM: selftests: Convert x86's set BSP ID test to printf style guest asserts > KVM: selftests: Convert the nSVM software interrupt test to printf guest asserts > KVM: selftests: Convert x86's TSC MSRs test to use printf guest asserts > KVM: selftests: Convert the x86 userspace I/O test to printf guest assert > KVM: selftests: Convert VMX's PMU capabilities test to printf guest asserts > KVM: selftests: Convert x86's XCR0 test to use printf-based guest asserts > KVM: selftests: Rip out old, param-based guest assert macros > KVM: selftests: Print out guest RIP on unhandled exception > KVM: selftests: Use GUEST_FAIL() in ARM's arch timer helpers > KVM: selftests: Reload "good" vCPU state if vCPU hits shutdown > KVM: selftests: Explicit set #UD when *potentially* injecting exception > KVM: x86: Update MAINTAINTERS to include selftests > > Thomas Huth (1): > KVM: selftests: Rename the ASSERT_EQ macro > > MAINTAINERS | 2 + > arch/x86/kvm/x86.c | 13 +- > tools/testing/selftests/kvm/Makefile | 6 + > .../selftests/kvm/aarch64/aarch32_id_regs.c | 8 +- > tools/testing/selftests/kvm/aarch64/arch_timer.c | 22 +- > .../selftests/kvm/aarch64/debug-exceptions.c | 8 +- > tools/testing/selftests/kvm/aarch64/hypercalls.c | 20 +- > .../selftests/kvm/aarch64/page_fault_test.c | 17 +- > tools/testing/selftests/kvm/aarch64/vgic_irq.c | 3 +- > tools/testing/selftests/kvm/guest_print_test.c | 219 ++++++++++++++ > .../selftests/kvm/include/aarch64/arch_timer.h | 12 +- > .../testing/selftests/kvm/include/aarch64/ucall.h | 20 ++ > tools/testing/selftests/kvm/include/riscv/ucall.h | 20 ++ > tools/testing/selftests/kvm/include/s390x/ucall.h | 19 ++ > tools/testing/selftests/kvm/include/test_util.h | 18 +- > tools/testing/selftests/kvm/include/ucall_common.h | 98 +++---- > .../selftests/kvm/include/x86_64/processor.h | 5 + > tools/testing/selftests/kvm/include/x86_64/ucall.h | 13 + > tools/testing/selftests/kvm/kvm_page_table_test.c | 8 +- > tools/testing/selftests/kvm/lib/aarch64/ucall.c | 11 +- > tools/testing/selftests/kvm/lib/guest_sprintf.c | 307 ++++++++++++++++++++ > tools/testing/selftests/kvm/lib/kvm_util.c | 6 +- > tools/testing/selftests/kvm/lib/riscv/ucall.c | 11 - > tools/testing/selftests/kvm/lib/s390x/ucall.c | 10 - > tools/testing/selftests/kvm/lib/sparsebit.c | 1 - > tools/testing/selftests/kvm/lib/string_override.c | 9 + > tools/testing/selftests/kvm/lib/ucall_common.c | 44 +++ > tools/testing/selftests/kvm/lib/x86_64/processor.c | 18 +- > tools/testing/selftests/kvm/lib/x86_64/ucall.c | 36 ++- > .../testing/selftests/kvm/max_guest_memory_test.c | 2 +- > tools/testing/selftests/kvm/memslot_perf_test.c | 4 +- > tools/testing/selftests/kvm/s390x/cmma_test.c | 62 ++-- > tools/testing/selftests/kvm/s390x/memop.c | 13 +- > tools/testing/selftests/kvm/s390x/tprot.c | 11 +- > .../testing/selftests/kvm/set_memory_region_test.c | 21 +- > tools/testing/selftests/kvm/steal_time.c | 20 +- > tools/testing/selftests/kvm/x86_64/cpuid_test.c | 12 +- > .../kvm/x86_64/dirty_log_page_splitting_test.c | 18 +- > .../kvm/x86_64/exit_on_emulation_failure_test.c | 2 +- > .../kvm/x86_64/hyperv_extended_hypercalls.c | 3 +- > .../testing/selftests/kvm/x86_64/hyperv_features.c | 29 +- > tools/testing/selftests/kvm/x86_64/kvm_pv_test.c | 8 +- > .../selftests/kvm/x86_64/monitor_mwait_test.c | 35 ++- > .../selftests/kvm/x86_64/nested_exceptions_test.c | 16 +- > .../selftests/kvm/x86_64/pmu_event_filter_test.c | 317 +++++++++++++++------ > .../selftests/kvm/x86_64/recalc_apic_map_test.c | 6 +- > .../testing/selftests/kvm/x86_64/set_boot_cpu_id.c | 6 +- > .../kvm/x86_64/svm_nested_soft_inject_test.c | 22 +- > .../testing/selftests/kvm/x86_64/sync_regs_test.c | 132 +++++++++ > tools/testing/selftests/kvm/x86_64/tsc_msrs_test.c | 34 +-- > .../selftests/kvm/x86_64/userspace_io_test.c | 10 +- > .../vmx_exception_with_invalid_guest_state.c | 2 +- > .../selftests/kvm/x86_64/vmx_pmu_caps_test.c | 31 +- > .../selftests/kvm/x86_64/xapic_state_test.c | 8 +- > .../testing/selftests/kvm/x86_64/xcr0_cpuid_test.c | 29 +- > .../testing/selftests/kvm/x86_64/xen_vmcall_test.c | 20 +- > 56 files changed, 1389 insertions(+), 468 deletions(-) > create mode 100644 tools/testing/selftests/kvm/guest_print_test.c > create mode 100644 tools/testing/selftests/kvm/include/aarch64/ucall.h > create mode 100644 tools/testing/selftests/kvm/include/riscv/ucall.h > create mode 100644 tools/testing/selftests/kvm/include/s390x/ucall.h > create mode 100644 tools/testing/selftests/kvm/include/x86_64/ucall.h > create mode 100644 tools/testing/selftests/kvm/lib/guest_sprintf.c >
