linux-kernel - [PATCH 0/2] uprobes: pre-filtering

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Message-ID: <20121228181252.GA6120@redhat.com>
Date:	Fri, 28 Dec 2012 19:12:52 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Anton Arapov <anton@...hat.com>,
	Frank Eigler <fche@...hat.com>,
	Josh Stone <jistone@...hat.com>,
	"Suzuki K. Poulose" <suzuki@...ibm.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] uprobes: pre-filtering

Hello.

On top of preparations I sent a month ago. Srikar, you still didn't
review the last 2 patches. I assume you do not care so I am going to
add them without your ack.

Initially I was going to send more patches in this series. We can add
some optimizations to avoid the unnecessary register_for_each_vma() or
even consumer->filter() if there is a consumer with ->filter == NULL.
But lets do this later, lets discuss the functional change first.

Next steps:

	- teach handler_chain() to remove the unwanted breakpoints

	- if the above is not enough, implement UPROBE_FILTER_FORK

	- implement uprobe_apply(consumer, task, is_register) ?

Ole.

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