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Date: Wed, 29 Dec 2004 21:07:36 -0800 (PST)
From: Davide Libenzi <davidel@xmailserver.org>
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To: Linus Torvalds <torvalds@osdl.org>
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Subject: Re: ptrace single-stepping change breaks Wine
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On Wed, 29 Dec 2004, Linus Torvalds wrote:

> On Wed, 29 Dec 2004, Linus Torvalds wrote:
> > 
> > .. no, I see what's up. System call returns _are_ special for 
> > single-stepping. I'll think about it..
> 
> Ok, I think I know what's up.
> 
> It's literally the bogus fake signal that do_syscall_trace() sends. I 
> think the TIF_SINGLESTEP case in do_syscall_trace() should only do the 
> ptrace_notify() and return..

I think same. My test simply let the function processing to let thru and 
reach the fake signal sending point.


- Davide