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kvm: selftests: avoid type punning

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Avoid warnings from -Wstrict-aliasing by using memcpy.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2019-05-20 12:02:16 +02:00
parent be7fcf1d17
commit 3b339e2527
2 changed files with 2 additions and 2 deletions
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2
tools/testing/selftests/kvm/lib/ucall.c
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@ -142,7 +142,7 @@ uint64_t get_ucall(struct kvm_vm *vm, uint32_t vcpu_id, struct ucall *uc)
vm_vaddr_t gva;
TEST_ASSERT(run->mmio.is_write && run->mmio.len == 8,
"Unexpected ucall exit mmio address access");
gva = *(vm_vaddr_t *)run->mmio.data;
memcpy(&gva, run->mmio.data, sizeof(gva));
memcpy(uc, addr_gva2hva(vm, gva), sizeof(*uc));
}

2
tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c
View File

@ -75,7 +75,7 @@ void set_revision_id_for_vmcs12(struct kvm_nested_state *state,
u32 vmcs12_revision)
{
/* Set revision_id in vmcs12 to vmcs12_revision. */
*(u32 *)(state->data) = vmcs12_revision;
memcpy(state->data, &vmcs12_revision, sizeof(u32));
}
void set_default_state(struct kvm_nested_state *state)