Re: [PATCH 6/7] uprobes: Xol should send SIGTRAP if X86_EFLAGS_TFwas set

From: Oleg Nesterov
Date: Wed Sep 12 2012 - 10:44:33 EST

On 09/12, Srikar Dronamraju wrote:
> * Oleg Nesterov <oleg@xxxxxxxxxx> [2012-09-03 17:26:16]:
> > Note: send_sig(SIGTRAP) is not actually right, we need send_sigtrap().
> Are you pointing to the info field not being filled? or are there other
> problems?


Also, I am not sure but I feel we should move this into generic code
somehow. We will see.

> > But this needs more changes, handle_swbp() does the same and this is
> > equally wrong.
> send_sigtrap() is arch specific and defined for only few archs.
> we would have to force.

Yes, but we have user_single_step_siginfo(), probably this is enough.

> But these are not related to the patch.

Agreed, lets do this later.

> Acked-by: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx>



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