From: Thomas Gleixner <tglx@linutronix.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
Greg KH <greg@kroah.com>, Randy Dunlap <randy.dunlap@oracle.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [patch 2/5] infrastructure to debug (dynamic) objects
Date: Tue, 25 Mar 2008 09:19:11 +0100 (CET) [thread overview]
Message-ID: <alpine.LFD.1.00.0803250915330.3781@apollo.tec.linutronix.de> (raw)
In-Reply-To: <20080324130454.ced60108.akpm@linux-foundation.org>
On Mon, 24 Mar 2008, Andrew Morton wrote:
> On Fri, 21 Mar 2008 20:26:18 -0000
> Thomas Gleixner <tglx@linutronix.de> wrote:
>
> > The debugobjects core code keeps track of operations on static and
> > dynamic objects by inserting them into a hashed list and sanity
> > checking them on object operations and provides additional checks
> > whenever kernel memory is freed.
>
> Prime candidates for conversion to this interface are locks: spinlocks,
> rwlocks, mutexes, etc.
>
> a) it'd be interesting to get that done, as a proof-of-usefulness thing.
/me looks for volunteers :)
> b) but this code internally uses spinlocks. Will it explode?
It should not, but we can use untracked spinlocks for the internals.
> also list_heads and hlists. But
>
> a) that might be a bit redundant against the custome debugging which lists
> already have and
Yup.
> b) this code uses lists and hlists internally?
Yes, it uses hlists.
Thanks,
tglx
next prev parent reply other threads:[~2008-03-25 8:22 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-21 20:26 [patch 0/5] debugobject infrastructure V3 Thomas Gleixner
2008-03-21 20:26 ` [patch 1/5] slab: add a flag to prevent debug_free checks on a kmem_cache Thomas Gleixner
2008-03-21 20:26 ` [patch 2/5] infrastructure to debug (dynamic) objects Thomas Gleixner
2008-03-21 20:55 ` Randy Dunlap
2008-03-21 21:24 ` Thomas Gleixner
2008-03-24 20:04 ` Andrew Morton
2008-03-25 8:19 ` Thomas Gleixner [this message]
2008-03-26 23:23 ` Thomas Gleixner
2008-03-21 20:26 ` [patch 3/5] debugobjects: add documentation Thomas Gleixner
2008-03-21 20:26 ` [patch 4/5] debugobjects: add timer specific object debugging code Thomas Gleixner
2008-04-26 16:28 ` Andrew Morton
2008-03-21 20:26 ` [patch 5/5] add hrtimer specific debugobjects code Thomas Gleixner
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