Re: [PATCH 0/5] utrace-ptrace-mini: rfc hacks

2009-08-31 Thread Oleg Nesterov
On 08/30, Roland McGrath wrote: Signals. ptrace processes a signal after all other attached engines. As my reply to that patch indicated, what you can given the tracehook_get_signal API does not really fit that description. Yes. Perhaps by ignoring signr and looking at si_signo you could

Re: [PATCH 0/5] utrace-ptrace-mini: rfc hacks

2009-08-30 Thread Roland McGrath
Two questions: 1. do you think this _can_ work as a first version of utrace-ptrace? work means: could look as utrace-ptrace for 2.6.32, then we make incremental changes on top. I'm pretty doubtful. I'd like to hear other opinions, and I'm still 100%

[PATCH 0/5] utrace-ptrace-mini: rfc hacks

2009-08-25 Thread Oleg Nesterov
(On top of utrace branch, this has nothing to do with the previous changes I sent). Roland, this is the series of hacks, not patches. Not complete and I didn't even try to boot the kernel. Just to explain what I mean. Two questions: 1. do you think this _can_ work as a first version of