[GIT PULL] LoongArch KVM changes for v7.1

[Huacai Chen]

The following changes since commit 591cd656a1bf5ea94a222af5ef2ee76df029c1d2:

  Linux 7.0-rc7 (2026-04-05 15:26:23 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git tags/loongarch-kvm-7.1

for you to fetch changes up to e47b8e1db9a9bbef6765e85b11e87f48e6b56846:

  KVM: LoongArch: selftests: Add PMU overflow interrupt test (2026-04-09 18:56:38 +0800)

----------------------------------------------------------------
LoongArch KVM changes for v7.1

1. Use CSR_CRMD_PLV in kvm_arch_vcpu_in_kernel().
2. Let vcpu_is_preempted() a macro & some enhanments.
3. Add DMSINTC irqchip in kernel support.
4. Add KVM PMU test cases for tools/selftests.

----------------------------------------------------------------
Bibo Mao (4):
      LoongArch: KVM: Check kvm_request_pending() in kvm_late_check_requests()
      LoongArch: KVM: Move host CSR_EENTRY save and restore in context switch
      LoongArch: KVM: Move host CSR_GSTAT save and restore in context switch
      LoongArch: KVM: Make vcpu_is_preempted() as a macro rather than function

Song Gao (5):
      LoongArch: KVM: Add DMSINTC device support
      LoongArch: KVM: Add DMSINTC inject msi to vCPU
      KVM: LoongArch: selftests: Add cpucfg read/write helpers
      KVM: LoongArch: selftests: Add basic PMU event counting test
      KVM: LoongArch: selftests: Add PMU overflow interrupt test

Tao Cui (1):
      LoongArch: KVM: Use CSR_CRMD_PLV in kvm_arch_vcpu_in_kernel()

 arch/loongarch/include/asm/kvm_dmsintc.h           |  27 +++
 arch/loongarch/include/asm/kvm_host.h              |   3 +
 arch/loongarch/include/asm/kvm_pch_pic.h           |   3 +-
 arch/loongarch/include/asm/qspinlock.h             |  26 ++-
 arch/loongarch/include/uapi/asm/kvm.h              |   4 +
 arch/loongarch/kernel/paravirt.c                   |  16 +-
 arch/loongarch/kvm/Makefile                        |   1 +
 arch/loongarch/kvm/intc/dmsintc.c                  | 182 ++++++++++++++++++
 arch/loongarch/kvm/intc/pch_pic.c                  |  15 +-
 arch/loongarch/kvm/interrupt.c                     |   2 +
 arch/loongarch/kvm/irqfd.c                         |  10 +-
 arch/loongarch/kvm/main.c                          |  14 +-
 arch/loongarch/kvm/vcpu.c                          |  29 +--
 include/uapi/linux/kvm.h                           |   2 +
 tools/testing/selftests/kvm/Makefile.kvm           |   3 +-
 .../testing/selftests/kvm/include/loongarch/pmu.h  |  66 +++++++
 .../selftests/kvm/include/loongarch/processor.h    |  15 ++
 .../selftests/kvm/lib/loongarch/processor.c        |  15 +-
 tools/testing/selftests/kvm/loongarch/pmu_test.c   | 205 +++++++++++++++++++++
 19 files changed, 593 insertions(+), 45 deletions(-)
 create mode 100644 arch/loongarch/include/asm/kvm_dmsintc.h
 create mode 100644 arch/loongarch/kvm/intc/dmsintc.c
 create mode 100644 tools/testing/selftests/kvm/include/loongarch/pmu.h
 create mode 100644 tools/testing/selftests/kvm/loongarch/pmu_test.c