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Diffstat (limited to 'Documentation/kvm/locking.txt')
| -rw-r--r-- | Documentation/kvm/locking.txt | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/Documentation/kvm/locking.txt b/Documentation/kvm/locking.txt deleted file mode 100644 index 3b4cd3bf563..00000000000 --- a/Documentation/kvm/locking.txt +++ /dev/null @@ -1,25 +0,0 @@ -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 - migration. - -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. |