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    • Linus Torvalds's avatar
      Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm · 8c1b724d
      Linus Torvalds authored
      Pull kvm updates from Paolo Bonzini:
       "ARM:
         - GICv4.1 support
      
         - 32bit host removal
      
        PPC:
         - secure (encrypted) using under the Protected Execution Framework
           ultravisor
      
        s390:
         - allow disabling GISA (hardware interrupt injection) and protected
           VMs/ultravisor support.
      
        x86:
         - New dirty bitmap flag that sets all bits in the bitmap when dirty
           page logging is enabled; this is faster because it doesn't require
           bulk modification of the page tables.
      
         - Initial work on making nested SVM event injection more similar to
           VMX, and less buggy.
      
         - Various cleanups to MMU code (though the big ones and related
           optimizations were delayed to 5.8). Instead of using cr3 in
           function names which occasionally means eptp, KVM too has
           standardized on "pgd".
      
         - A large refactoring of CPUID features, which now use an array that
           parallels the core x86_features.
      
         - Some removal of pointer chasing from kvm_x86_ops, which will also
           be switched to static calls as soon as they are available.
      
         - New Tigerlake CPUID features.
      
         - More bugfixes, optimizations and cleanups.
      
        Generic:
         - selftests: cleanups, new MMU notifier stress test, steal-time test
      
         - CSV output for kvm_stat"
      
      * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (277 commits)
        x86/kvm: fix a missing-prototypes "vmread_error"
        KVM: x86: Fix BUILD_BUG() in __cpuid_entry_get_reg() w/ CONFIG_UBSAN=y
        KVM: VMX: Add a trampoline to fix VMREAD error handling
        KVM: SVM: Annotate svm_x86_ops as __initdata
        KVM: VMX: Annotate vmx_x86_ops as __initdata
        KVM: x86: Drop __exit from kvm_x86_ops' hardware_unsetup()
        KVM: x86: Copy kvm_x86_ops by value to eliminate layer of indirection
        KVM: x86: Set kvm_x86_ops only after ->hardware_setup() completes
        KVM: VMX: Configure runtime hooks using vmx_x86_ops
        KVM: VMX: Move hardware_setup() definition below vmx_x86_ops
        KVM: x86: Move init-only kvm_x86_ops to separate struct
        KVM: Pass kvm_init()'s opaque param to additional arch funcs
        s390/gmap: return proper error code on ksm unsharing
        KVM: selftests: Fix cosmetic copy-paste error in vm_mem_region_move()
        KVM: Fix out of range accesses to memslots
        KVM: X86: Micro-optimize IPI fastpath delay
        KVM: X86: Delay read msr data iff writes ICR MSR
        KVM: PPC: Book3S HV: Add a capability for enabling secure guests
        KVM: arm64: GICv4.1: Expose HW-based SGIs in debugfs
        KVM: arm64: GICv4.1: Allow non-trapping WFI when using HW SGIs
        ...
      8c1b724d