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From: Mark Lord <lkml@rtr.ca>
To: "J.A. Magallon" <jamagallon@able.es>
Cc: "Linux-Kernel, " <linux-kernel@vger.kernel.org>, nel@vger.kernel.org
Subject: Re: About 4k kernel stack size....
Date: Mon, 19 Dec 2005 21:52:53 -0500	[thread overview]
Message-ID: <43A77205.2040306@rtr.ca> (raw)
In-Reply-To: <20051218231401.6ded8de2@werewolf.auna.net>

J.A. Magallon wrote:
> Hi...
> 
> I'm following the intense thread about stack size, and I see only one
> solution.
> 
> Ship the nest stable, development, -mm, everything release of everything
> with a maximum kernel/interrupt stack usage meter. The ask a poll for
> everyone to send  /proc/sys/stack_usage_max to a mailing list.

That won't do it.

The mainline code paths are undoubtedly fine with 4K stacks.
It's the *error paths* that are most likely to go deeper on the stack,
and those are rarely exercised by anyone.  And those are the paths
that we *really* need to be reliable.

Cheers

  reply	other threads:[~2005-12-20  2:52 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-18 22:14 About 4k kernel stack size J.A. Magallon
2005-12-20  2:52 ` Mark Lord [this message]
2005-12-20 13:37   ` Adrian Bunk
2005-12-20 14:37     ` Mike Snitzer
2005-12-20 15:00       ` Adrian Bunk
     [not found]       ` <46578.10.10.10.28.1135094132.squirrel@linux1>
2005-12-20 15:55         ` Sean
2005-12-21 15:07           ` Giridhar Pemmasani
2005-12-21 15:37             ` Kyle Moffett
2005-12-21 16:25               ` Giridhar Pemmasani
2005-12-21 16:46             ` Christoph Hellwig
2005-12-21 20:14             ` Krzysztof Halasa
2005-12-21 21:39               ` linux-os (Dick Johnson)
2005-12-22  9:14             ` Romano Giannetti
2005-12-20 17:02         ` linux-os (Dick Johnson)
2005-12-20 18:06           ` Chase Venters
2005-12-20 18:36             ` linux-os (Dick Johnson)
2005-12-20 18:43               ` Arjan van de Ven
2005-12-20 18:59                 ` linux-os (Dick Johnson)
2005-12-20 22:33                 ` Alan Cox
2005-12-20 22:54           ` Nikita Danilov
2005-12-21 14:02             ` linux-os (Dick Johnson)
2005-12-21 14:18               ` Nikita Danilov
2005-12-21 14:25                 ` linux-os (Dick Johnson)
2005-12-21 15:19                   ` Nikita Danilov
2005-12-21 22:50                     ` Jan Engelhardt
2005-12-20 20:15   ` Alan Cox

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