All of lore.kernel.org
 help / color / mirror / Atom feed
From: Oleg Nesterov <oleg@redhat.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH RESEND 1/2] tracing: syscall_*regfunc() can race with copy_process()
Date: Fri, 11 Apr 2014 17:58:45 +0200	[thread overview]
Message-ID: <20140411155845.GA30199@redhat.com> (raw)
In-Reply-To: <20140411112259.79f0a0ba@gandalf.local.home>

On 04/11, Steven Rostedt wrote:
>
> On Thu, 10 Apr 2014 15:34:35 +0200
> Oleg Nesterov <oleg@redhat.com> wrote:
>
> > On 04/10, Steven Rostedt wrote:
> > >
> > > On Wed, 9 Apr 2014 19:05:42 +0200
> > > Oleg Nesterov <oleg@redhat.com> wrote:
> > >
> > > > --- a/kernel/fork.c
> > > > +++ b/kernel/fork.c
> > > > @@ -1472,7 +1472,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
> > > >
> > > >  	total_forks++;
> > > >  	spin_unlock(&current->sighand->siglock);
> > > > +	syscall_tracepoint_update(p);
> > > >  	write_unlock_irq(&tasklist_lock);
> > > > +
> > >
> > > So this looks to be a fix that probably should go to stable?
> >
> > Not sure, this is up to you.
>
> I'll have to think about this one, whether or not it should go to
> stable.

...

> > > These changes should be in a separate patch, as they can wait till 3.16.
> >
> > OK, I'll split this change.
>
> Are you going to send a new series?

Yes, will do. I will split 1/2, and I need to update the changelog
in 2/2.

Oleg.


  reply	other threads:[~2014-04-11 16:31 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-09 16:11 [PATCH 0/5] core: Convert thread iteration to use for_each[_process]_thread APIs, 1st pile Frederic Weisbecker
2014-04-09 16:11 ` [PATCH 1/5] sched: Convert thread_group_cputime() to use for_each_thread() Frederic Weisbecker
2014-04-09 17:12   ` Oleg Nesterov
2014-04-09 17:16   ` Peter Zijlstra
2014-04-09 17:32     ` Oleg Nesterov
2014-04-09 18:30       ` Peter Zijlstra
2014-04-09 19:46         ` Oleg Nesterov
2014-04-09 19:49           ` Peter Zijlstra
2014-04-10 16:19             ` Peter Zijlstra
2014-04-10 16:32               ` Peter Zijlstra
2014-04-10 17:29               ` Oleg Nesterov
2014-04-10 17:36                 ` Peter Zijlstra
2014-04-10 17:42                   ` Peter Zijlstra
2014-04-10 19:15                   ` Oleg Nesterov
2014-04-10 20:55                     ` Peter Zijlstra
2014-04-10  7:56           ` Ingo Molnar
2014-04-09 16:11 ` [PATCH 2/5] tracepoint: Convert process iteration to use for_each_process_thread() Frederic Weisbecker
2014-04-09 16:28   ` Mathieu Desnoyers
2014-04-09 16:40     ` Frederic Weisbecker
2014-04-09 16:42     ` Steven Rostedt
2014-04-09 17:05       ` [PATCH 0/2] Was: " Oleg Nesterov
2014-04-09 17:05         ` [PATCH RESEND 1/2] tracing: syscall_*regfunc() can race with copy_process() Oleg Nesterov
2014-04-10 13:04           ` Steven Rostedt
2014-04-10 13:33             ` Oleg Nesterov
2014-04-10 13:06           ` Steven Rostedt
2014-04-10 13:34             ` Oleg Nesterov
2014-04-11 15:22               ` Steven Rostedt
2014-04-11 15:58                 ` Oleg Nesterov [this message]
2014-04-13 18:58                   ` [PATCH v2 0/3] tracing: syscall_*regfunc() fixes Oleg Nesterov
2014-04-13 18:58                     ` [PATCH v2 1/3] tracing: fix syscall_*regfunc() vs copy_process() race Oleg Nesterov
2014-04-14 23:57                       ` Frederic Weisbecker
2014-04-13 18:59                     ` [PATCH v2 2/3] tracing: change syscall_*regfunc() to check PF_KTHREAD and use for_each_process_thread() Oleg Nesterov
2014-04-13 18:59                     ` [PATCH v2 3/3] tracing: syscall_regfunc() should not skip kernel threads Oleg Nesterov
2014-04-14 23:46                     ` [PATCH v2 0/3] tracing: syscall_*regfunc() fixes Frederic Weisbecker
2014-06-18 14:23                     ` Steven Rostedt
2014-06-18 15:36                       ` Oleg Nesterov
2014-04-09 17:06         ` [PATCH RESEND 2/2] tracing: syscall_regfunc() should not skip kernel threads Oleg Nesterov
2014-04-10 13:28           ` Steven Rostedt
2014-04-10 13:38             ` Oleg Nesterov
2014-04-10 14:28               ` Steven Rostedt
2014-04-10 14:46                 ` Oleg Nesterov
2014-04-10 15:08                   ` Steven Rostedt
2014-04-10 17:57                     ` Oleg Nesterov
2014-04-10 18:14                       ` Oleg Nesterov
2014-04-10 19:00                         ` Oleg Nesterov
2014-04-10 19:13                         ` Steven Rostedt
2014-04-10 19:38                           ` Oleg Nesterov
2014-04-10 19:55                             ` Steven Rostedt
2014-04-11 12:03                               ` Oleg Nesterov
2014-04-11 12:37                                 ` Steven Rostedt
2014-04-10 13:03         ` [PATCH 0/2] Was: Convert process iteration to use for_each_process_thread() Steven Rostedt
2014-04-09 16:11 ` [PATCH 3/5] hung_task: " Frederic Weisbecker
2014-04-09 17:23   ` Oleg Nesterov
2014-04-09 16:11 ` [PATCH 4/5] procfs: Convert process iteration to use for_each_thread() Frederic Weisbecker
2014-04-09 16:11 ` [PATCH 5/5] sched: Convert tasks iteration to use for_each_process_thread() Frederic Weisbecker

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=20140411155845.GA30199@redhat.com \
    --to=oleg@redhat.com \
    --cc=akpm@linux-foundation.org \
    --cc=fweisbec@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mathieu.desnoyers@efficios.com \
    --cc=mingo@kernel.org \
    --cc=rostedt@goodmis.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.