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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> |
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| .. | ||
| auxvec.h | ||
| byteorder.h | ||
| fcntl.h | ||
| hwcap.h | ||
| ioctls.h | ||
| Kbuild | ||
| kvm.h | ||
| mman.h | ||
| perf_regs.h | ||
| posix_types.h | ||
| ptrace.h | ||
| setup.h | ||
| sigcontext.h | ||
| signal.h | ||
| stat.h | ||
| statfs.h | ||
| swab.h | ||
| types.h | ||
| unistd.h | ||