[GIT PULL] LoongArch fixes for v7.4-rc3

[Huacai Chen]

The following changes since commit 7475ea8b58616b33c04afb976cf0fbaad9dd63fb:

  Linux 7.4-rc2 (2026-11-08 16:22:20 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git tags/loongarch-fixes-7.4-1

for you to fetch changes up to 422e532809572ba1043192bf6a0c653bc68b3140:

  LoongArch: KVM: Reject repeated PCH-PIC CTRL_INIT (2026-11-10 17:20:42 +0800)

----------------------------------------------------------------
LoongArch fixes for v7.4-rc3

Fix several bugs about ACPI IOVT, KEXEC, Hibernation, BPF JIT and KVM.
----------------------------------------------------------------
Bibo Mao (2):
      ACPI: LoongArch: Fix incorrect pointer in acpi_iovt_init()
      ACPI: LoongArch: Add checksum validation for ACPI IOVT table

Huacai Chen (1):
      ACPI: LoongArch: Validate ACPI IOVT device entries

Jinjie Ruan (2):
      LoongArch: kexec_file: Fix a modified cmdline leak
      LoongArch: kexec_file: Fix elf_headers memory leak in retry loop

Mike Rapoport (Microsoft) (1):
      LoongArch: Restore KFENCE pages through DMW on resume

Tao Cui (3):
      LoongArch: KVM: Clear device pointer in irqchip destroy callbacks
      LoongArch: KVM: Propagate real error code in kvm_pch_pic_create()
      LoongArch: KVM: Reject repeated PCH-PIC CTRL_INIT

Tiezhu Yang (2):
      LoongArch: BPF: Make arena support depend on 128-bit cmpxchg
      LoongArch: BPF: Make use of beqz and bnez for trampoline branches

 arch/loongarch/include/asm/inst.h          | 21 +++++++++
 arch/loongarch/kernel/inst.c               | 28 +++++++++++
 arch/loongarch/kernel/machine_kexec.c      |  2 +
 arch/loongarch/kernel/machine_kexec_file.c |  4 ++
 arch/loongarch/kvm/intc/dmsintc.c          |  1 +
 arch/loongarch/kvm/intc/eiointc.c          |  1 +
 arch/loongarch/kvm/intc/ipi.c              |  1 +
 arch/loongarch/kvm/intc/pch_pic.c          | 18 +++++--
 arch/loongarch/net/bpf_jit.c               | 16 +++++--
 arch/loongarch/power/hibernate.c           |  6 +++
 drivers/acpi/loongarch/iovt.c              | 76 +++++++++++++++++++++++++-----
 11 files changed, 156 insertions(+), 18 deletions(-)