tree c22a549bc3083832a108e5cf30f8224efb5e0f2c
parent 5be07b3fb53d14581f470745d129141b97d15614
parent 6d3085e4d89ad7e6c7f1c6cf929d903393565861
author Linus Torvalds <torvalds@linux-foundation.org> 1668187977 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1668187977 -0800
mergetag object 6d3085e4d89ad7e6c7f1c6cf929d903393565861
 type commit
 tag for-linus
 tagger Paolo Bonzini <pbonzini@redhat.com> 1668169249 -0500
 
 s390:
 
 * PCI fix
 
 * PV clock fix
 
 x86:
 
 * Fix clash between PMU MSRs and other MSRs
 
 * Prepare SVM assembly trampoline for 6.2 retbleed mitigation
   and for...
 
 * ... tightening IBRS restore on vmexit, moving it before
   the first RET or indirect branch
 
 * Fix log level for VMSA dump
 
 * Block all page faults during kvm_zap_gfn_range()
 
 Tools:
 
 * kvm_stat: fix incorrect detection of debugfs
 
 * kvm_stat: update vmexit definitions
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm
 "This is a pretty large diffstat for this time of the release. The main
  culprit is a reorganization of the AMD assembly trampoline, allowing
  percpu variables to be accessed early.

  This is needed for the return stack depth tracking retbleed mitigation
  that will be in 6.2, but it also makes it possible to tighten the IBRS
  restore on vmexit. The latter change is a long tail of the
  spectrev2/retbleed patches (the corresponding Intel change was simpler
  and went in already last June), which is why I am including it right
  now instead of sharing a topic branch with tip.

  Being assembly and being rich in comments makes the line count balloon
  a bit, but I am pretty confident in the change (famous last words)
  because the reorganization actually makes everything simpler and more
  understandable than before. It has also had external review and has
  been tested on the aforementioned 6.2 changes, which explode quite
  brutally without the fix.

  Apart from this, things are pretty normal.

  s390:

   - PCI fix

   - PV clock fix

  x86:

   - Fix clash between PMU MSRs and other MSRs

   - Prepare SVM assembly trampoline for 6.2 retbleed mitigation and
     for...

   - ... tightening IBRS restore on vmexit, moving it before the first
     RET or indirect branch

   - Fix log level for VMSA dump

   - Block all page faults during kvm_zap_gfn_range()

  Tools:

   - kvm_stat: fix incorrect detection of debugfs

   - kvm_stat: update vmexit definitions"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86/mmu: Block all page faults during kvm_zap_gfn_range()
  KVM: x86/pmu: Limit the maximum number of supported AMD GP counters
  KVM: x86/pmu: Limit the maximum number of supported Intel GP counters
  KVM: x86/pmu: Do not speculatively query Intel GP PMCs that don't exist yet
  KVM: SVM: Only dump VMSA to klog at KERN_DEBUG level
  tools/kvm_stat: update exit reasons for vmx/svm/aarch64/userspace
  tools/kvm_stat: fix incorrect detection of debugfs
  x86, KVM: remove unnecessary argument to x86_virt_spec_ctrl and callers
  KVM: SVM: move MSR_IA32_SPEC_CTRL save/restore to assembly
  KVM: SVM: restore host save area from assembly
  KVM: SVM: move guest vmsave/vmload back to assembly
  KVM: SVM: do not allocate struct svm_cpu_data dynamically
  KVM: SVM: remove dead field from struct svm_cpu_data
  KVM: SVM: remove unused field from struct vcpu_svm
  KVM: SVM: retrieve VMCB from assembly
  KVM: SVM: adjust register allocation for __svm_vcpu_run()
  KVM: SVM: replace regs argument of __svm_vcpu_run() with vcpu_svm
  KVM: x86: use a separate asm-offsets.c file
  KVM: s390: pci: Fix allocation size of aift kzdev elements
  KVM: s390: pv: don't allow userspace to set the clock under PV