[CRIU] [PATCH] dump: do not fail dump when robust_lists are disabled

[Cyrill Gorcunov]

On Tue, Jun 24, 2014 at 04:32:55PM -0700, Filipe Brandenburger wrote:
> Robust lists may be disabled, for example if the "futex_cmpxchg_enabled"
> variable in the kernel is unset.
> 
> Detect that case by checking that the "get_robust_list" syscall returns ENOSYS
> and assume an empty robust_list in that case.
> 
> Tested: Successfully ran the zdtm test suite on a kernel where the
> "get_robust_list" syscall is disabled.
Acked-by: Cyrill Gorcunov <gorcunov at openvz.org>

Thanks Filipe!