diff options
| author | Oliver Upton <oupton@kernel.org> | 2025-11-24 11:01:57 -0800 |
|---|---|---|
| committer | Oliver Upton <oupton@kernel.org> | 2025-12-01 00:44:02 -0800 |
| commit | 66f188858385d640163fbf866d9c11b7741da91a (patch) | |
| tree | 1110233acb5cfbd09f793089c3e6867d155fd2fb /tools/testing/selftests/kvm/lib/kvm_util.c | |
| parent | d5bbb76f447420681abdcfa4ad32344d11188d00 (diff) | |
KVM: arm64: selftests: Add test for AT emulation
Add a basic test for AT emulation in the EL2&0 and EL1&0 translation
regimes.
Reviewed-by: Marc Zyngier <maz@kernel.org>
Tested-by: Marc Zyngier <maz@kernel.org>
Link: https://msgid.link/20251124190158.177318-16-oupton@kernel.org
Signed-off-by: Oliver Upton <oupton@kernel.org>
Diffstat (limited to 'tools/testing/selftests/kvm/lib/kvm_util.c')
| -rw-r--r-- | tools/testing/selftests/kvm/lib/kvm_util.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index 1a93d6361671..d6538bb17740 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -1201,6 +1201,16 @@ void vm_mem_region_set_flags(struct kvm_vm *vm, uint32_t slot, uint32_t flags) ret, errno, slot, flags); } +void vm_mem_region_reload(struct kvm_vm *vm, uint32_t slot) +{ + struct userspace_mem_region *region = memslot2region(vm, slot); + struct kvm_userspace_memory_region2 tmp = region->region; + + tmp.memory_size = 0; + vm_ioctl(vm, KVM_SET_USER_MEMORY_REGION2, &tmp); + vm_ioctl(vm, KVM_SET_USER_MEMORY_REGION2, ®ion->region); +} + /* * VM Memory Region Move * |