glibc has a stubs mechanism: a function can be declared in the system headers, but only implemented as a stub that always fails with ENOSYS, for example. Therefore when implementing this function we cannot use static. Signed-off-by: Damien Zammit <damien@zamaudio.com> Link: https://lore.kernel.org/r/20260208055858.2166524-6-damien@zamaudio.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>