diff options
Diffstat (limited to 'pkg/ring0')
| -rw-r--r-- | pkg/ring0/pagetables/pagetables.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/pkg/ring0/pagetables/pagetables.go b/pkg/ring0/pagetables/pagetables.go index 3f17fba49..9dac53c80 100644 --- a/pkg/ring0/pagetables/pagetables.go +++ b/pkg/ring0/pagetables/pagetables.go @@ -322,3 +322,12 @@ func (p *PageTables) Lookup(addr hostarch.Addr, findFirst bool) (virtual hostarc func (p *PageTables) MarkReadOnlyShared() { p.readOnlyShared = true } + +// PrefaultRootTable touches the root table page to be sure that its physical +// pages are mapped. +// +//go:nosplit +//go:noinline +func (p *PageTables) PrefaultRootTable() PTE { + return p.root[0] +} |