From: Tejun Heo <tj@kernel.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: roland@redhat.com, linux-kernel@vger.kernel.org,
torvalds@linux-foundation.org, akpm@linux-foundation.org,
rjw@sisk.pl, jan.kratochvil@redhat.com
Subject: Re: [PATCHSET] ptrace,signal: sane interaction between ptrace and job control signals, take#2
Date: Tue, 14 Dec 2010 18:46:40 +0100 [thread overview]
Message-ID: <4D07AD80.7030903@kernel.org> (raw)
In-Reply-To: <20101214173600.GA16253@redhat.com>
Hello,
On 12/14/2010 06:36 PM, Oleg Nesterov wrote:
> On 12/06, Tejun Heo wrote:
>>
>> This is the second attempt at cleaning up ptrace and signal behaviors,
>
> Tejun, I am really, really sorry for the huge delay.
>
> I will _try_ very much to read this on Friday. If nothing else,
> I am very interested to understand these changes in details.
No need to be sorry at all. It's not like this patchset is an urgent
fix. This part of ptrace has been broken for a very long time and
we've been more or less fine with it. At least I would be able to
enjoy the sweet delusion that this take is okay for a bit longer. :-)
--
tejun
next prev parent reply other threads:[~2010-12-14 17:47 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-06 16:56 [PATCHSET] ptrace,signal: sane interaction between ptrace and job control signals, take#2 Tejun Heo
2010-12-06 16:56 ` [PATCH 01/16] signal: fix SIGCONT notification code Tejun Heo
2010-12-06 16:56 ` [PATCH 02/16] signal: fix CLD_CONTINUED notification target Tejun Heo
2010-12-20 14:58 ` Oleg Nesterov
2010-12-21 16:31 ` Tejun Heo
2010-12-06 16:56 ` [PATCH 03/16] signal: remove superflous try_to_freeze() loop in do_signal_stop() Tejun Heo
2010-12-20 14:59 ` Oleg Nesterov
2010-12-06 16:56 ` [PATCH 04/16] ptrace: kill tracehook_notify_jctl() Tejun Heo
2010-12-20 14:59 ` Oleg Nesterov
2010-12-21 17:00 ` Tejun Heo
2010-12-06 16:56 ` [PATCH 05/16] ptrace: add @why to ptrace_stop() Tejun Heo
2010-12-06 16:56 ` [PATCH 06/16] signal: fix premature completion of group stop when interfered by ptrace Tejun Heo
2010-12-20 15:00 ` Oleg Nesterov
2010-12-21 17:04 ` Tejun Heo
2010-12-06 16:56 ` [PATCH 07/16] signal: use GROUP_STOP_PENDING to stop once for a single group stop Tejun Heo
2010-12-06 16:56 ` [PATCH 08/16] ptrace: participate in group stop from ptrace_stop() iff the task is trapping for " Tejun Heo
2010-12-06 16:56 ` [PATCH 09/16] ptrace: make do_signal_stop() use ptrace_stop() if the task is being ptraced Tejun Heo
2010-12-23 12:26 ` Oleg Nesterov
2010-12-23 13:53 ` Tejun Heo
2010-12-23 16:06 ` Oleg Nesterov
2010-12-23 16:33 ` Tejun Heo
2011-01-17 22:09 ` Roland McGrath
2011-01-27 13:56 ` Tejun Heo
2011-01-28 20:30 ` Roland McGrath
2011-01-31 14:39 ` Tejun Heo
2010-12-06 16:56 ` [PATCH 10/16] ptrace: clean transitions between TASK_STOPPED and TRACED Tejun Heo
2010-12-20 15:00 ` Oleg Nesterov
2010-12-21 17:31 ` Tejun Heo
2010-12-21 17:32 ` Tejun Heo
2010-12-22 10:54 ` Tejun Heo
2010-12-22 11:39 ` Oleg Nesterov
2010-12-22 15:14 ` Tejun Heo
2010-12-22 16:00 ` Oleg Nesterov
2010-12-22 16:21 ` Tejun Heo
2010-12-06 16:56 ` [PATCH 11/16] signal: prepare for CLD_* notification changes Tejun Heo
2010-12-20 16:21 ` Oleg Nesterov
2010-12-20 16:23 ` Oleg Nesterov
2010-12-21 17:35 ` Tejun Heo
2010-12-06 16:57 ` [PATCH 12/16] ptrace: make group stop notification reliable against ptrace Tejun Heo
2010-12-20 17:34 ` Oleg Nesterov
2010-12-21 17:43 ` Tejun Heo
2010-12-22 11:54 ` Oleg Nesterov
2010-12-22 15:26 ` Tejun Heo
2010-12-22 16:02 ` Oleg Nesterov
2010-12-06 16:57 ` [PATCH 13/16] ptrace: reorganize __ptrace_unlink() and ptrace_untrace() Tejun Heo
2010-12-20 18:15 ` Oleg Nesterov
2010-12-21 17:54 ` Tejun Heo
2010-12-06 16:57 ` [PATCH 14/16] ptrace: make SIGCONT notification reliable against ptrace Tejun Heo
2010-12-20 19:43 ` Oleg Nesterov
2010-12-21 17:48 ` Tejun Heo
2010-12-22 12:16 ` Oleg Nesterov
2010-12-21 17:25 ` Oleg Nesterov
2010-12-22 10:35 ` Tejun Heo
2010-12-06 16:57 ` [PATCH 15/16] ptrace: make sure SIGNAL_NOTIFY_CONT is checked after ptrace_signal() Tejun Heo
2010-12-06 16:57 ` [PATCH 16/16] ptrace: remove the extra wake_up_process() from ptrace_detach() Tejun Heo
2010-12-07 0:10 ` Roland McGrath
2010-12-07 13:43 ` Tejun Heo
2010-12-21 17:54 ` Oleg Nesterov
2010-12-22 10:36 ` Tejun Heo
2010-12-14 17:36 ` [PATCHSET] ptrace,signal: sane interaction between ptrace and job control signals, take#2 Oleg Nesterov
2010-12-14 17:46 ` Tejun Heo [this message]
2010-12-22 15:20 ` Oleg Nesterov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4D07AD80.7030903@kernel.org \
--to=tj@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=jan.kratochvil@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=oleg@redhat.com \
--cc=rjw@sisk.pl \
--cc=roland@redhat.com \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.