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From: Vishal Annapurve <vannapurve@google.com>
To: x86@kernel.org, kvm@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org
Cc: pbonzini@redhat.com, shuah@kernel.org, bgardon@google.com,
	seanjc@google.com, oupton@google.com, peterx@redhat.com,
	vkuznets@redhat.com, drjones@redhat.com, dmatlack@google.com,
	Vishal Annapurve <vannapurve@google.com>
Subject: [V1 PATCH 0/5] Execute hypercalls from guests according to cpu type
Date: Sat,  3 Sep 2022 01:28:44 +0000	[thread overview]
Message-ID: <20220903012849.938069-1-vannapurve@google.com> (raw)

This series is posted in context of the discussion at:
https://lore.kernel.org/lkml/Ywa9T+jKUpaHLu%2Fl@google.com/

Major changes:
1) Move common startup logic to a single common main function in
kvm_util.c
2) Introduce following APIs:
	kvm_arch_main: to perform arch specific common startup.
	kvm_post_vm_load: to update the guest memory state to convey
		common information to guests.
3) For x86, capture cpu type at startup and pass on the cpu type to
guest after guest elf is loaded.
4) Execute hypercall instruction from within guest VMs according to the
cpu type. This will help prevent an extra kvm exit during hypercall
execution.

Vishal Annapurve (5):
  selftests: kvm: move common startup logic to kvm_util.c
  selftests: kvm: Introduce kvm_arch_main and helpers
  selftests: kvm: x86: Execute vmcall/vmmcall according to CPU type
  selftests: kvm: delete svm_vmcall_test
  selftests: kvm: Execute vmcall/vmmcall as per cpu type

 tools/testing/selftests/kvm/.gitignore        |  1 -
 .../selftests/kvm/aarch64/arch_timer.c        |  5 +-
 .../selftests/kvm/aarch64/debug-exceptions.c  |  2 +-
 .../selftests/kvm/aarch64/get-reg-list.c      |  2 +-
 .../selftests/kvm/aarch64/hypercalls.c        |  4 +-
 .../testing/selftests/kvm/aarch64/psci_test.c |  2 +-
 .../selftests/kvm/aarch64/vcpu_width_config.c |  2 +-
 .../testing/selftests/kvm/aarch64/vgic_init.c |  2 +-
 .../testing/selftests/kvm/aarch64/vgic_irq.c  |  5 +-
 .../selftests/kvm/access_tracking_perf_test.c |  4 +-
 .../selftests/kvm/demand_paging_test.c        |  7 +-
 .../selftests/kvm/dirty_log_perf_test.c       |  4 +-
 tools/testing/selftests/kvm/dirty_log_test.c  |  4 +-
 .../selftests/kvm/hardware_disable_test.c     |  2 +-
 .../selftests/kvm/include/kvm_util_base.h     | 15 ++++
 .../selftests/kvm/include/x86_64/processor.h  | 10 +++
 .../selftests/kvm/include/x86_64/vmx.h        |  9 ---
 .../selftests/kvm/kvm_binary_stats_test.c     |  3 +-
 .../selftests/kvm/kvm_create_max_vcpus.c      |  4 +-
 .../selftests/kvm/kvm_page_table_test.c       |  4 +-
 .../selftests/kvm/lib/aarch64/processor.c     |  8 ++
 tools/testing/selftests/kvm/lib/elf.c         |  2 +
 tools/testing/selftests/kvm/lib/kvm_util.c    | 12 +++
 .../selftests/kvm/lib/riscv/processor.c       |  8 ++
 .../selftests/kvm/lib/s390x/processor.c       |  8 ++
 tools/testing/selftests/kvm/lib/sparsebit.c   |  2 +-
 .../selftests/kvm/lib/x86_64/perf_test_util.c |  2 +-
 .../selftests/kvm/lib/x86_64/processor.c      | 38 +++++++++-
 .../selftests/kvm/max_guest_memory_test.c     |  2 +-
 .../kvm/memslot_modification_stress_test.c    |  4 +-
 .../testing/selftests/kvm/memslot_perf_test.c |  9 +--
 tools/testing/selftests/kvm/rseq_test.c       |  7 +-
 tools/testing/selftests/kvm/s390x/memop.c     |  4 +-
 tools/testing/selftests/kvm/s390x/resets.c    |  4 +-
 .../selftests/kvm/s390x/sync_regs_test.c      |  5 +-
 tools/testing/selftests/kvm/s390x/tprot.c     |  2 +-
 .../selftests/kvm/set_memory_region_test.c    |  7 +-
 tools/testing/selftests/kvm/steal_time.c      |  4 +-
 .../kvm/system_counter_offset_test.c          |  2 +-
 tools/testing/selftests/kvm/x86_64/amx_test.c |  2 +-
 .../testing/selftests/kvm/x86_64/cpuid_test.c |  2 +-
 .../kvm/x86_64/cr4_cpuid_sync_test.c          |  6 +-
 .../testing/selftests/kvm/x86_64/debug_regs.c |  4 +-
 .../kvm/x86_64/emulator_error_test.c          |  7 +-
 .../testing/selftests/kvm/x86_64/evmcs_test.c |  2 +-
 .../selftests/kvm/x86_64/fix_hypercall_test.c |  2 +-
 .../kvm/x86_64/get_msr_index_features.c       |  2 +-
 .../selftests/kvm/x86_64/hyperv_clock.c       |  2 +-
 .../selftests/kvm/x86_64/hyperv_cpuid.c       |  7 +-
 .../selftests/kvm/x86_64/hyperv_features.c    |  2 +-
 .../selftests/kvm/x86_64/hyperv_svm_test.c    |  2 +-
 .../selftests/kvm/x86_64/kvm_clock_test.c     |  2 +-
 .../selftests/kvm/x86_64/kvm_pv_test.c        |  2 +-
 .../kvm/x86_64/max_vcpuid_cap_test.c          |  3 +-
 .../selftests/kvm/x86_64/mmio_warning_test.c  |  4 +-
 .../selftests/kvm/x86_64/monitor_mwait_test.c |  3 +-
 .../selftests/kvm/x86_64/nx_huge_pages_test.c |  4 +-
 .../selftests/kvm/x86_64/platform_info_test.c |  7 +-
 .../kvm/x86_64/pmu_event_filter_test.c        |  7 +-
 .../selftests/kvm/x86_64/set_boot_cpu_id.c    |  2 +-
 .../selftests/kvm/x86_64/set_sregs_test.c     |  7 +-
 .../selftests/kvm/x86_64/sev_migrate_tests.c  |  3 +-
 tools/testing/selftests/kvm/x86_64/smm_test.c |  4 +-
 .../testing/selftests/kvm/x86_64/state_test.c | 10 +--
 .../selftests/kvm/x86_64/svm_int_ctl_test.c   |  3 +-
 .../kvm/x86_64/svm_nested_soft_inject_test.c  |  7 +-
 .../selftests/kvm/x86_64/svm_vmcall_test.c    | 74 -------------------
 .../selftests/kvm/x86_64/sync_regs_test.c     |  7 +-
 .../kvm/x86_64/triple_fault_event_test.c      |  2 +-
 .../selftests/kvm/x86_64/tsc_msrs_test.c      |  4 +-
 .../selftests/kvm/x86_64/tsc_scaling_sync.c   |  3 +-
 .../kvm/x86_64/ucna_injection_test.c          |  2 +-
 .../selftests/kvm/x86_64/userspace_io_test.c  |  6 +-
 .../kvm/x86_64/userspace_msr_exit_test.c      |  7 +-
 .../kvm/x86_64/vmx_apic_access_test.c         |  5 +-
 .../kvm/x86_64/vmx_close_while_nested_test.c  |  2 +-
 .../selftests/kvm/x86_64/vmx_dirty_log_test.c |  4 +-
 .../vmx_exception_with_invalid_guest_state.c  |  2 +-
 .../x86_64/vmx_invalid_nested_guest_state.c   |  2 +-
 .../selftests/kvm/x86_64/vmx_msrs_test.c      |  2 +-
 .../kvm/x86_64/vmx_nested_tsc_scaling_test.c  |  5 +-
 .../selftests/kvm/x86_64/vmx_pmu_caps_test.c  |  2 +-
 .../kvm/x86_64/vmx_preemption_timer_test.c    |  4 +-
 .../kvm/x86_64/vmx_set_nested_state_test.c    |  3 +-
 .../kvm/x86_64/vmx_tsc_adjust_test.c          |  5 +-
 .../selftests/kvm/x86_64/xapic_ipi_test.c     |  4 +-
 .../selftests/kvm/x86_64/xapic_state_test.c   |  2 +-
 .../selftests/kvm/x86_64/xen_shinfo_test.c    | 67 +++++++----------
 .../selftests/kvm/x86_64/xen_vmcall_test.c    | 17 +++--
 .../selftests/kvm/x86_64/xss_msr_test.c       |  2 +-
 90 files changed, 223 insertions(+), 339 deletions(-)
 delete mode 100644 tools/testing/selftests/kvm/x86_64/svm_vmcall_test.c

-- 
2.37.2.789.g6183377224-goog


             reply	other threads:[~2022-09-03  1:29 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-03  1:28 Vishal Annapurve [this message]
2022-09-03  1:28 ` [V1 PATCH 1/5] selftests: kvm: move common startup logic to kvm_util.c Vishal Annapurve
2022-09-08 21:09   ` David Matlack
2022-09-14 19:09     ` Vishal Annapurve
2022-09-03  1:28 ` [V1 PATCH 2/5] selftests: kvm: Introduce kvm_arch_main and helpers Vishal Annapurve
2022-09-05  7:46   ` Andrew Jones
2022-09-06 22:46     ` Vishal Annapurve
2022-09-08 21:21       ` David Matlack
2022-09-09  7:01         ` Andrew Jones
2022-09-14 19:13           ` Vishal Annapurve
2022-09-08 21:27   ` David Matlack
2022-09-03  1:28 ` [V1 PATCH 3/5] selftests: kvm: x86: Execute vmcall/vmmcall according to CPU type Vishal Annapurve
2022-09-08 22:54   ` David Matlack
2022-09-08 22:57     ` David Matlack
2022-09-14 19:12     ` Vishal Annapurve
2022-09-03  1:28 ` [V1 PATCH 4/5] selftests: kvm: delete svm_vmcall_test Vishal Annapurve
2022-09-03  1:28 ` [V1 PATCH 5/5] selftests: kvm: Execute vmcall/vmmcall as per cpu type Vishal Annapurve

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