From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
Jim Keniston <jkenisto@linux.vnet.ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
Linux-mm <linux-mm@kvack.org>, Andi Kleen <andi@firstfloor.org>,
Christoph Hellwig <hch@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Thomas Gleixner <tglx@linutronix.de>,
Anton Arapov <anton@redhat.com>
Subject: Re: [RFC 0/6] uprobes: kill uprobes_srcu/uprobe_srcu_id
Date: Mon, 16 Apr 2012 17:01:24 +0530 [thread overview]
Message-ID: <20120416113124.GA25464@linux.vnet.ibm.com> (raw)
In-Reply-To: <20120414111637.GB24688@gmail.com>
* Ingo Molnar <mingo@kernel.org> [2012-04-14 13:16:37]:
>
> * Oleg Nesterov <oleg@redhat.com> wrote:
>
> > Hello.
> >
> > Not for inclusion yet, only for the early review.
>
> Srikar, any objection to these? They look like fine changes to
> me in principle, making uprobes less of an overhead to other
> kernel subsystems.
>
I dont have any objections to Oleg's changes. However as Oleg has said,
they are currently untested. Once the tracing and perf bits are in -tip,
I will add these bits and test them and let you know.
Given that I have tested the current bits in -tip several times, I think
it might be worthwhile to keep these changes on hold till the current
uprobe bits in -tip go upstream.
Oleg: Would this be acceptable?
--
Thanks and Regards
Srikar
WARNING: multiple messages have this Message-ID (diff)
From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
Jim Keniston <jkenisto@linux.vnet.ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
Linux-mm <linux-mm@kvack.org>, Andi Kleen <andi@firstfloor.org>,
Christoph Hellwig <hch@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Thomas Gleixner <tglx@linutronix.de>,
Anton Arapov <anton@redhat.com>
Subject: Re: [RFC 0/6] uprobes: kill uprobes_srcu/uprobe_srcu_id
Date: Mon, 16 Apr 2012 17:01:24 +0530 [thread overview]
Message-ID: <20120416113124.GA25464@linux.vnet.ibm.com> (raw)
In-Reply-To: <20120414111637.GB24688@gmail.com>
* Ingo Molnar <mingo@kernel.org> [2012-04-14 13:16:37]:
>
> * Oleg Nesterov <oleg@redhat.com> wrote:
>
> > Hello.
> >
> > Not for inclusion yet, only for the early review.
>
> Srikar, any objection to these? They look like fine changes to
> me in principle, making uprobes less of an overhead to other
> kernel subsystems.
>
I dont have any objections to Oleg's changes. However as Oleg has said,
they are currently untested. Once the tracing and perf bits are in -tip,
I will add these bits and test them and let you know.
Given that I have tested the current bits in -tip several times, I think
it might be worthwhile to keep these changes on hold till the current
uprobe bits in -tip go upstream.
Oleg: Would this be acceptable?
--
Thanks and Regards
Srikar
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next prev parent reply other threads:[~2012-04-16 11:40 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-05 22:20 [RFC 0/6] uprobes: kill uprobes_srcu/uprobe_srcu_id Oleg Nesterov
2012-04-05 22:20 ` Oleg Nesterov
2012-04-05 22:20 ` [PATCH 1/6] uprobes: introduce find_active_uprobe() Oleg Nesterov
2012-04-05 22:20 ` Oleg Nesterov
2012-04-05 22:21 ` [PATCH 2/6] uprobes: introduce is_swbp_at_addr_fast() Oleg Nesterov
2012-04-05 22:21 ` Oleg Nesterov
2012-04-16 10:08 ` Peter Zijlstra
2012-04-16 10:08 ` Peter Zijlstra
2012-04-16 14:44 ` Oleg Nesterov
2012-04-16 14:44 ` Oleg Nesterov
2012-04-16 14:55 ` Peter Zijlstra
2012-04-16 14:55 ` Peter Zijlstra
2012-04-16 15:34 ` Oleg Nesterov
2012-04-16 15:34 ` Oleg Nesterov
2012-04-17 10:08 ` Peter Zijlstra
2012-04-17 10:08 ` Peter Zijlstra
2012-04-17 17:09 ` Oleg Nesterov
2012-04-17 17:09 ` Oleg Nesterov
2012-04-17 19:53 ` Peter Zijlstra
2012-04-17 19:53 ` Peter Zijlstra
2012-04-05 22:21 ` [PATCH 3/6] uprobes: teach find_active_uprobe() to provide the "is_swbp" info Oleg Nesterov
2012-04-05 22:21 ` Oleg Nesterov
2012-04-05 22:21 ` [PATCH 4/6] uprobes: change register_for_each_vma() to take mm->mmap_sem for writing Oleg Nesterov
2012-04-05 22:21 ` Oleg Nesterov
2012-04-05 22:22 ` [PATCH 5/6] uprobes: teach handle_swbp() to rely on "is_swbp" rather than uprobes_srcu Oleg Nesterov
2012-04-05 22:22 ` Oleg Nesterov
2012-04-05 22:22 ` [PATCH 6/6] uprobes: kill uprobes_srcu/uprobe_srcu_id Oleg Nesterov
2012-04-05 22:22 ` Oleg Nesterov
2012-04-14 11:16 ` [RFC 0/6] " Ingo Molnar
2012-04-14 11:16 ` Ingo Molnar
2012-04-16 11:31 ` Srikar Dronamraju [this message]
2012-04-16 11:31 ` Srikar Dronamraju
2012-04-16 14:41 ` Oleg Nesterov
2012-04-16 14:41 ` Oleg Nesterov
2012-04-25 12:52 ` Srikar Dronamraju
2012-04-25 12:52 ` Srikar Dronamraju
2012-04-25 14:22 ` Oleg Nesterov
2012-04-25 14:22 ` Oleg Nesterov
2012-04-14 13:16 ` Peter Zijlstra
2012-04-14 13:16 ` Peter Zijlstra
2012-04-14 20:52 ` Oleg Nesterov
2012-04-14 20:52 ` Oleg Nesterov
2012-04-15 10:51 ` Peter Zijlstra
2012-04-15 10:51 ` Peter Zijlstra
2012-04-15 19:53 ` Oleg Nesterov
2012-04-15 19:53 ` Oleg Nesterov
2012-04-15 21:48 ` Peter Zijlstra
2012-04-15 21:48 ` Peter Zijlstra
2012-04-15 23:44 ` Oleg Nesterov
2012-04-15 23:44 ` Oleg Nesterov
2012-04-16 10:16 ` Peter Zijlstra
2012-04-16 10:16 ` Peter Zijlstra
2012-04-16 21:47 ` Oleg Nesterov
2012-04-16 21:47 ` Oleg Nesterov
2012-04-20 10:14 ` Peter Zijlstra
2012-04-20 10:14 ` Peter Zijlstra
2012-04-20 10:16 ` Srikar Dronamraju
2012-04-20 10:16 ` Srikar Dronamraju
2012-04-20 18:58 ` Oleg Nesterov
2012-04-20 18:58 ` Oleg Nesterov
2012-04-20 18:37 ` Oleg Nesterov
2012-04-20 18:37 ` Oleg Nesterov
2012-04-23 7:14 ` Peter Zijlstra
2012-04-23 7:14 ` Peter Zijlstra
2012-04-23 7:24 ` Srikar Dronamraju
2012-04-23 7:24 ` Srikar Dronamraju
2012-04-23 7:40 ` Peter Zijlstra
2012-04-23 7:40 ` Peter Zijlstra
2012-04-23 17:29 ` Oleg Nesterov
2012-04-23 17:29 ` Oleg Nesterov
2012-04-23 19:18 ` Peter Zijlstra
2012-04-23 19:18 ` Peter Zijlstra
2012-04-23 20:50 ` Oleg Nesterov
2012-04-23 20:50 ` Oleg Nesterov
2012-04-23 21:25 ` Oleg Nesterov
2012-04-23 21:25 ` Oleg Nesterov
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