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Diffstat (limited to 'pkg/sentry/platform/kvm/machine.go')
| -rw-r--r-- | pkg/sentry/platform/kvm/machine.go | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/pkg/sentry/platform/kvm/machine.go b/pkg/sentry/platform/kvm/machine.go index 372a4cbd7..a74930423 100644 --- a/pkg/sentry/platform/kvm/machine.go +++ b/pkg/sentry/platform/kvm/machine.go @@ -469,6 +469,19 @@ func (m *machine) newDirtySet() *dirtySet { } } +// dropPageTables drops cached page table entries. +func (m *machine) dropPageTables(pt *pagetables.PageTables) { + m.mu.Lock() + defer m.mu.Unlock() + + // Clear from all PCIDs. + for _, c := range m.vCPUsByID { + if c != nil && c.PCIDs != nil { + c.PCIDs.Drop(pt) + } + } +} + // lock marks the vCPU as in user mode. // // This should only be called directly when known to be safe, i.e. when |