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?
Yes.
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>
Thanks!
Oleg.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/