From: Pedro Alves <palves@redhat.com>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Pavel Emelyanov <xemul@parallels.com>,
Jan Kratochvil <jan.kratochvil@redhat.com>,
Tejun Heo <tj@kernel.org>, Andrew Vagin <avagin@openvz.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Cyrill Gorcunov <gorcunov@openvz.org>
Subject: Re: [PATCH] ptrace: add ability to get clear_tid_address
Date: Tue, 07 Feb 2012 20:07:38 +0000 [thread overview]
Message-ID: <4F31848A.9070406@redhat.com> (raw)
In-Reply-To: <20120203165132.GA5636@redhat.com>
On 02/03/2012 04:51 PM, Oleg Nesterov wrote:
> On 02/03, Pavel Emelyanov wrote:
>> Because there's no need for current to get this value of himself, but can
>> be useful for e.g. gdb.
>
> OK, perhaps this makes sense, I do not know.
>
> Jan, Pedro, do you think gdb can use PTRACE_GET_TID_ADDRESS (returns
> tracee->clear_child_tid) ?
Off hand, I'm not picturing a use. But that may well just mean I'm lacking
imagination. Andrew, Pavel, did you have a particular idea in mind when you
said it may be useful for debugging a multithreading program / gdb?
--
Pedro Alves
next prev parent reply other threads:[~2012-02-07 20:07 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-03 11:11 [PATCH] ptrace: add ability to get clear_tid_address Andrew Vagin
2012-02-03 16:25 ` Tejun Heo
2012-02-03 16:30 ` Cyrill Gorcunov
2012-02-03 16:41 ` Oleg Nesterov
2012-02-03 16:54 ` Cyrill Gorcunov
2012-02-03 16:45 ` Pavel Emelyanov
2012-02-03 16:51 ` Oleg Nesterov
2012-02-07 20:07 ` Pedro Alves [this message]
2012-02-07 20:56 ` Cyrill Gorcunov
2012-02-07 21:15 ` Pedro Alves
2012-02-07 21:51 ` Cyrill Gorcunov
2012-02-08 12:30 ` Pedro Alves
2012-02-08 12:42 ` Cyrill Gorcunov
2012-02-08 17:31 ` Oleg Nesterov
2012-02-08 18:04 ` Pedro Alves
2012-02-08 19:02 ` Oleg Nesterov
2012-02-08 19:20 ` Cyrill Gorcunov
2012-02-08 19:21 ` Jan Kratochvil
2012-02-08 19:42 ` Pedro Alves
2012-02-08 13:41 ` Andrew Vagin
2012-02-08 18:12 ` Jan Kratochvil
2012-02-10 3:02 ` Jamie Lokier
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