From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: chandrasekhar.nagaraj@patni.com
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Stack Trace dump in do_IRQ
Date: 29 Apr 2003 14:23:35 +0100 [thread overview]
Message-ID: <1051622613.18198.20.camel@dhcp22.swansea.linux.org.uk> (raw)
In-Reply-To: <NHBBIPBFKBJLCPPIPIBCCEAICAAA.chandrasekhar.nagaraj@patni.com>
On Maw, 2003-04-29 at 13:34, Chandrasekhar wrote:
> On going through the do_IRQ code in arch/i386/kernel/irq.c we found that is
> is used for debugging check for stack overflow i.e if the stack size is less
> than 2KB free.
> There is no similar debugging check in other kernels like 2.4.7-10,2.4.18-3
> and 2.4.18-14.
> What is the significance of this debugging information and why other kernels
> dont have the same check? Also, if the stack overflow can cause future
> problems, then
> how can we increase the stack size? Thanks in advance for any information on
> this.
You can't. A driver has to work with a very small stack size.
next prev parent reply other threads:[~2003-04-29 14:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-29 12:34 Stack Trace dump in do_IRQ Chandrasekhar
2003-04-29 12:35 ` Christoph Hellwig
2003-04-29 12:59 ` Jörn Engel
2003-04-29 13:23 ` Alan Cox [this message]
2003-04-29 13:26 ` Arjan van de Ven
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