diff options
| author | Junaid Shahid <[email protected]> | 2016-12-06 16:46:16 -0800 |
|---|---|---|
| committer | Radim Krčmář <[email protected]> | 2017-01-09 14:46:11 +0100 |
| commit | f160c7b7bb322bf079a5bb4dd34c58f17553f193 (patch) | |
| tree | df8f36cae081baeec8859cc367175d6dcaf36c85 /net/lapb/lapb_iface.c | |
| parent | 37f0e8fe6b10ee2ab52576caa721ee1282de74a6 (diff) | |
kvm: x86: mmu: Lockless access tracking for Intel CPUs without EPT A bits.
This change implements lockless access tracking for Intel CPUs without EPT
A bits. This is achieved by marking the PTEs as not-present (but not
completely clearing them) when clear_flush_young() is called after marking
the pages as accessed. When an EPT Violation is generated as a result of
the VM accessing those pages, the PTEs are restored to their original values.
Signed-off-by: Junaid Shahid <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Diffstat (limited to 'net/lapb/lapb_iface.c')
0 files changed, 0 insertions, 0 deletions