Re: PT_DTRACE && uml

From: Jeff Dike
Date: Thu Apr 23 2009 - 12:02:57 EST


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.

Jeff
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