[CRIU] [PATCH 09/10] restore: Add restoration of alternative signal stack

[Cyrill Gorcunov]

On Thu, Jul 04, 2013 at 03:29:48PM +0400, Cyrill Gorcunov wrote:
> On Thu, Jul 04, 2013 at 03:25:17PM +0400, Pavel Emelyanov wrote:
> > >  
> > > +	if (core->thread_core->sas) {
> > > +		task_args->has_sas = true;
> > > +		task_args->sas = *core->thread_core->sas;
> > 
> > Can we avoid has_sas bool and reuse some sas's field invalid value for that?
> > E.g. ss_sp == NULL means no stack looks valid to me.
> 
> Sure. I simply wanted to follow has_ manner we already use.

Brain context switch failure ;) Pavel I have to carry a _copy_ of sas. IOW

	task_args->sas = *core->thread_core->sas;

thus no, has_sas needed here.