blob: 3b4cd3bf56314d0766b5645a8583b0e47ad843de [file] [log] [blame]
KVM Lock Overview
1. Acquisition Orders
(to be written)
2. Reference
Name: kvm_lock
Type: raw_spinlock
Arch: any
Protects: - vm_list
- hardware virtualization enable/disable
Comment: 'raw' because hardware enabling/disabling must be atomic /wrt
Name: kvm_arch::tsc_write_lock
Type: raw_spinlock
Arch: x86
Protects: - kvm_arch::{last_tsc_write,last_tsc_nsec,last_tsc_offset}
- tsc offset in vmcb
Comment: 'raw' because updating the tsc offsets must not be preempted.