linux-kernel - [RFC PATCH 0/2] uprobes: register/unregister can race with fork

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Message-ID: <20121015190958.GA4799@redhat.com>
Date:	Mon, 15 Oct 2012 21:09:58 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Anton Arapov <anton@...hat.com>, linux-kernel@...r.kernel.org
Subject: [RFC PATCH 0/2] uprobes: register/unregister can race with fork

Hello.

Well. The very fact this series adds the new locking primitive
probably means we should try to find another fix. And yes, it is
possible to fix this differently, afaics. But this will need
more complications, I think.

So please review. As for 1/2:

	- I really hope paulmck/peterz will tell me if it is
	  correct or not

	- The naming sucks, and I agree with any suggestions

	- Probably this code should be compiled only if
	  CONFIG_UPRPOBES

Oleg.

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