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From: Oleg Nesterov <oleg@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	David Howells <dhowells@redhat.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Alexander Gordeev <agordeev@redhat.com>,
	Chris Zankel <chris@zankel.net>, David Smith <dsmith@redhat.com>,
	"Frank Ch. Eigler" <fche@redhat.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Larry Woodman <lwoodman@redhat.com>, Tejun Heo <tj@kernel.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 0/3] task_work_add (was: task_work_queue)
Date: Sat, 14 Apr 2012 22:17:48 +0200	[thread overview]
Message-ID: <20120414201748.GA8482@redhat.com> (raw)
In-Reply-To: <1334426937.2528.108.camel@twins>

On 04/14, Peter Zijlstra wrote:
>
> Can you use this to get rid of TIF_UPROBE as well?

Yes, I thought about uprobes. May be it can use task_work, but
it is not easy to avoid TIF_UPROBE. The problem is the first
UTASK_BP_HIT when current->utask == NULL, and ->utask is the
only "right" place to hold task_work. We will see.

Oleg.


  reply	other threads:[~2012-04-14 20:18 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-14  2:12 Oleg Nesterov
2012-04-14  2:12 ` [PATCH v4 1/3] task_work_add: generic process-context callbacks Oleg Nesterov
2012-04-14  2:40   ` Linus Torvalds
2012-04-14  3:05     ` Oleg Nesterov
2012-04-14  3:39     ` Oleg Nesterov
2012-04-14  8:00       ` Linus Torvalds
2012-04-14 20:27         ` Oleg Nesterov
2012-04-17 13:53     ` David Howells
2012-04-17 16:16       ` Oleg Nesterov
2012-04-14  2:12 ` [PATCH v4 2/3] genirq: reimplement exit_irq_thread() hook via task_work_add() Oleg Nesterov
2012-04-14  2:12 ` [PATCH v4 3/3] cred: change keyctl_session_to_parent() to use task_work_add() Oleg Nesterov
2012-04-14  2:32 ` [PATCH v4 0/3] task_work_add (was: task_work_queue) Linus Torvalds
2012-04-14  3:28   ` Oleg Nesterov
2012-04-14 18:08 ` Peter Zijlstra
2012-04-14 20:17   ` Oleg Nesterov [this message]
2012-04-17 14:11 ` [PATCH v4 2/3] genirq: reimplement exit_irq_thread() hook via task_work_add() David Howells
2012-04-17 16:29   ` Oleg Nesterov
2012-04-17 14:23 ` [PATCH v4 3/3] cred: change keyctl_session_to_parent() to use task_work_add() David Howells
2012-04-17 16:36   ` Oleg Nesterov
2012-04-17 19:34     ` Oleg Nesterov
2012-04-19 16:52     ` David Howells
2012-04-19 17:34       ` Oleg Nesterov
2012-04-19 17:36         ` Oleg Nesterov
2012-04-19 17:55       ` David Howells
2012-04-19 18:10         ` Oleg Nesterov
2012-04-19 18:40           ` Oleg Nesterov
2012-04-19 19:34           ` David Howells
2012-04-19 19:47             ` Oleg Nesterov
2012-04-19 22:26             ` David Howells

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