mirror of
https://github.com/torvalds/linux.git
synced 2024-09-29 19:33:13 +00:00
99adb56763
KVM implements the firmware interface for mitigating cache speculation vulnerabilities. Guests may use this interface to ensure mitigation is active. If we want to migrate such a guest to a host with a different support level for those workarounds, migration might need to fail, to ensure that critical guests don't loose their protection. Introduce a way for userland to save and restore the workarounds state. On restoring we do checks that make sure we don't downgrade our mitigation level. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> |
||
|---|---|---|
| .. | ||
| arm | ||
| async_pf.c | ||
| async_pf.h | ||
| coalesced_mmio.c | ||
| coalesced_mmio.h | ||
| eventfd.c | ||
| irqchip.c | ||
| Kconfig | ||
| kvm_main.c | ||
| vfio.c | ||
| vfio.h | ||