Re: [PATCH] invalidate pointers right after pool_put()

To: Christoph Egger <Christoph_Egger%gmx.de@localhost>
Subject: Re: [PATCH] invalidate pointers right after pool_put()
From: Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>
Date: Tue, 28 Apr 2009 14:35:03 +0100

Christoph Egger <Christoph_Egger%gmx.de@localhost> wrote:
> attached patch invalidates pointers right after pool_put().
> I'm running a machine with this patch for several month
> w/o any problems.
> 
> Is it ok to commit?

The kmem(9) and pool(9) subsystems already perform use-after-free checking
in debug/diagnostic kernels. I do not think there is a benefit in such patch,
and rtfree() part is especially ugly. What are you trying to solve?

-- 
Best regards,
Mindaugas

Follow-Ups:
- Re: [PATCH] invalidate pointers right after pool_put()
  - From: Manuel Bouyer

References:
- [PATCH] invalidate pointers right after pool_put()
  - From: Christoph Egger

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