[CRIU] [PATCH] ptrace: don't call PTRACE_INTERRUPT many times

[Cyrill Gorcunov]

On Tue, Apr 23, 2013 at 04:54:53PM +0400, Andrey Vagin wrote:
> According to the commit message in the kernel git, a new trap flag
> JOBCTL_TRAP_INTERRUPT is added, which is set on PTRACE_INTERRUPT and
> cleared when any trap happens.
> 
> Currently we have a race window beetwen PTRACE_CONT and
> PTRACE_INTERRUPT. If a process stops before PTRACE_INTERRUPT,
> the flag JOBCTL_TRAP_INTERRUPT will be set once again.
> 
> https://bugzilla.openvz.org/show_bug.cgi?id=2569
> 
> Signed-off-by: Andrey Vagin <avagin at openvz.org>
> ---
Acked-by: Cyrill Gorcunov <gorcunov at openvz.org>

Thanks a lot, Andrew!