On Thu, Apr 23, 2009 at 12:17:26AM +0200, Oleg Nesterov wrote: > (cc Jeff Dike) > > So, arch/um/ seems to be the only user of PT_DTRACE. > > I do not understand this code at all. It looks as if we can just > s/PT_DTRACE/TIF_SINGLESTEP/. > > But it can't be that simple?
It looks like it. The one odd part is the use in the signal delivery code. That looks like a bug to me.