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2020-04-03Merge tag 'spdx-5.7-rc1' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx Pull SPDX updates from Greg KH: "Here are three SPDX patches for 5.7-rc1. One fixes up the SPDX tag for a single driver, while the other two go through the tree and add SPDX tags for all of the .gitignore files as needed. Nothing too complex, but you will get a merge conflict with your current tree, that should be trivial to handle (one file modified by two things, one file deleted.) All three of these have been in linux-next for a while, with no reported issues other than the merge conflict" * tag 'spdx-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: ASoC: MT6660: make spdxcheck.py happy .gitignore: add SPDX License Identifier .gitignore: remove too obvious comments
2020-03-25.gitignore: add SPDX License IdentifierMasahiro Yamada1-0/+1
Add SPDX License Identifier to all .gitignore files. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-16KVM: selftests: Introduce steal-time testAndrew Jones1-0/+2
The steal-time test confirms what is reported to the guest as stolen time is consistent with the run_delay reported for the VCPU thread on the host. Both x86_64 and AArch64 have the concept of steal/stolen time so this test is introduced for both architectures. While adding the test we ensure .gitignore has all tests listed (it was missing s390x/resets) and that the Makefile has all tests listed in alphabetical order (not really necessary, but it almost was already...). We also extend the common API with a new num-guest- pages call and a new timespec call. Signed-off-by: Andrew Jones <drjones@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-16selftests: KVM: SVM: Add vmcall test to gitignoreAndrew Jones1-2/+3
Add svm_vmcall_test to gitignore list, and realphabetize it. Signed-off-by: Andrew Jones <drjones@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-16KVM: selftests: Add test for KVM_SET_USER_MEMORY_REGIONSean Christopherson1-0/+1
Add a KVM selftest to test moving the base gfn of a userspace memory region. Although the basic concept of moving memory regions is not x86 specific, the assumptions regarding large pages and MMIO shenanigans used to verify the correctness make this x86_64 only for the time being. Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-02-24KVM: selftests: Create a demand paging testBen Gardon1-0/+1
While userfaultfd, KVM's demand paging implementation, is not specific to KVM, having a benchmark for its performance will be useful for guiding performance improvements to KVM. As a first step towards creating a userfaultfd demand paging test, create a simple memory access test, based on dirty_log_test. Reviewed-by: Oliver Upton <oupton@google.com> Signed-off-by: Ben Gardon <bgardon@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-22kvm: tests: Add test to verify MSR_IA32_XSSAaron Lewis1-0/+1
Ensure that IA32_XSS appears in KVM_GET_MSR_INDEX_LIST if it can be set to a non-zero value. Reviewed-by: Jim Mattson <jmattson@google.com> Signed-off-by: Aaron Lewis <aaronlewis@google.com> Change-Id: Ia2d644f69e2d6d8c27d7e0a7a45c2bf9c42bf5ff Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-22selftests: kvm: synchronize .gitignore to MakefileVitaly Kuznetsov1-0/+2
Because "Untracked files:" are annoying. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-08-09KVM: selftests: Update gitignore file for latest changesThomas Huth1-1/+2
The kvm_create_max_vcpus test has been moved to the main directory, and sync_regs_test is now available on s390x, too. Signed-off-by: Thomas Huth <thuth@redhat.com> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-06-19tests: kvm: Check for a kernel warningAaron Lewis1-0/+1
When running with /sys/module/kvm_intel/parameters/unrestricted_guest=N, test that a kernel warning does not occur informing us that vcpu->mmio_needed=1. This can happen when KVM_RUN is called after a triple fault. This test was made to detect a bug that was reported by Syzkaller (https://groups.google.com/forum/#!topic/syzkaller/lHfau8E3SOE) and fixed with commit bbeac2830f4de ("KVM: X86: Fix residual mmio emulation request to userspace"). Signed-off-by: Aaron Lewis <aaronlewis@google.com> Reviewed-by: Jim Mattson <jmattson@google.com> Reviewed-by: Peter Shier <pshier@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-05-08tests: kvm: Add tests for KVM_SET_NESTED_STATEAaron Lewis1-0/+1
Add tests for KVM_SET_NESTED_STATE and for various code paths in its implementation in vmx_set_nested_state(). Signed-off-by: Aaron Lewis <aaronlewis@google.com> Reviewed-by: Marc Orr <marcorr@google.com> Reviewed-by: Peter Shier <pshier@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-05-08tests: kvm: Add tests for KVM_CAP_MAX_VCPUS and KVM_CAP_MAX_CPU_IDAaron Lewis1-0/+1
Signed-off-by: Aaron Lewis <aaronlewis@google.com> Reviewed-by: Peter Shier <pshier@google.com> Reviewed-by: Marc Orr <marcorr@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-05-08tests: kvm: Add tests to .gitignoreAaron Lewis1-1/+4
Signed-off-by: Aaron Lewis <aaronlewis@google.com> Reviewed-by: Peter Shier <pshier@google.com> Reviewed-by: Jim Mattson <jmattson@google.com> Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-02-12selftests: kvm: add selftest for releasing VM file descriptor while in L2Paolo Bonzini1-0/+1
This adds a test for the previous bug. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-10-19selftests/kvm: add missing executables to .gitignoreAnders Roxell1-0/+1
Fixes: 18178ff86217 ("KVM: selftests: add Enlightened VMCS test") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-10-17kvm: selftests: port dirty_log_test to aarch64Andrew Jones1-1/+1
While we're messing with the code for the port and to support guest page sizes that are less than the host page size, we also make some code formatting cleanups and apply sync_global_to_guest(). Signed-off-by: Andrew Jones <drjones@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-10-17kvm: selftests: move arch-specific files to arch-specific locationsAndrew Jones1-6/+7
Signed-off-by: Andrew Jones <drjones@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-09-20kvm: selftests: Add platform_info_testDrew Schmitt1-0/+1
Test guest access to MSR_PLATFORM_INFO when the capability is enabled or disabled. Signed-off-by: Drew Schmitt <dasch@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-08-06kvm: selftests: add basic test for state save and restorePaolo Bonzini1-0/+1
The test calls KVM_RUN repeatedly, and creates an entirely new VM with the old memory and vCPU state on every exit to userspace. The kvm_util API is expanded with two functions that manage the lifetime of a kvm_vm struct: the first closes the file descriptors and leaves the memory allocated, and the second opens the file descriptors and reuses the memory from the previous incarnation of the kvm_vm struct. For now the test is very basic, as it does not test for example XSAVE or vCPU events. However, it will test nested virtualization state starting with the next patch. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-08-06kvm: selftests: add cr4_cpuid_sync_testWei Huang1-0/+1
KVM is supposed to update some guest VM's CPUID bits (e.g. OSXSAVE) when CR4 is changed. A bug was found in KVM recently and it was fixed by Commit c4d2188206ba ("KVM: x86: Update cpuid properly when CR4.OSXAVE or CR4.PKE is changed"). This patch adds a test to verify the synchronization between guest VM's CR4 and CPUID bits. Signed-off-by: Wei Huang <wei@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-05-30selftests: kvm: update .gitignore with missing fileAnders Roxell1-0/+1
Fixes: d5edb7f8e7ab ("kvm: selftests: add vmx_tsc_adjust_test") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
2018-05-30selftests: kvm: add .gitignore for generated filesAnders Roxell1-0/+2
Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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