Re: [PATCH] fix oops on resume from apm bios initiated suspend

[Andrew Morton]

[e-mail] wrote:
>
>  > > -	load_LDT(&current->mm->context);	/* This does lldt */
>  > > +	load_LDT(&current->active_mm->context);	/* This does lldt */
> 
> No one has still explained WHY kapmd's current->mm is NULL for some people,
> while it obviously is non-NULL for many others.

All kernel threads have current->mm = NULL, via daemonize()->exit_mm().  So
the question becomes "why does this code get called by kernel threads for
some people, and not for others"?  Pavel?

Also, is there any point in doing load_LDT(&current->active_mm->context)
for a kernel thread?

> That worries me a lot more.

I'm more worried by the 113-column line in fix_processor_context() :)