linux-kernel - Re: [PATCH] tracing/uprobes: Support ftrace_event

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Message-ID: <20130614140915.GA30655@redhat.com>
Date:	Fri, 14 Jun 2013 16:09:15 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc:	"zhangwei(Jovi)" <jovi.zhangwei@...wei.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"yrl.pp-manager.tt@...achi.com" <yrl.pp-manager.tt@...achi.com>
Subject: Re: [PATCH] tracing/uprobes: Support ftrace_event_file base
	multibuffer

On 06/14, Oleg Nesterov wrote:
>
> On 06/14, Masami Hiramatsu wrote:
> >
> > Srikar, Oleg, could you check that?
>
> I'll definitely try to read this series on Monday.

Yes, but Masami is certainly right. synchronize_sched() can't help
without rcu lock in uprobe_trace_func/etc.

Also, probe_event_enable() can use krealloc() but this is minor.

Oleg.

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