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authorPaolo Bonzini <pbonzini@redhat.com>2023-01-09 06:02:16 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2023-01-11 13:31:33 -0500
commit3a9ae31ac26a58d33008c42f6cd022afc2af2dc0 (patch)
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Documentation: kvm: fix SRCU locking order docs
kvm->srcu is taken in KVM_RUN and several other vCPU ioctls, therefore vcpu->mutex is susceptible to the same deadlock that is documented for kvm->slots_lock. The same holds for kvm->lock, since kvm->lock is held outside vcpu->mutex. Fix the documentation and rearrange it to highlight the difference between these locks and kvm->slots_arch_lock, and how kvm->slots_arch_lock can be useful while processing a vmexit. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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