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Message-ID: <a781481a0706021845y2fd8442fy388c0df58aabcedc@mail.gmail.com>
Date: Sun, 3 Jun 2007 07:15:39 +0530
From: "Satyam Sharma" <satyam.sharma@...il.com>
To: "Arjan van de Ven" <arjan@...radead.org>
Cc: "Matthew Fredrickson" <creslin@...ium.com>,
linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Device Driver Etiquette
On 6/3/07, Arjan van de Ven <arjan@...radead.org> wrote:
> On Fri, 2007-06-01 at 12:47 -0500, Matthew Fredrickson wrote:
>
> > My question is this: is there a way to either work around the problem I
> > am seeing with the stack without recompiling the kernel with 8K stack
> > size or without disabling irqs for such a long period of time (which I
> > think is not a nice thing to do either) OR is it acceptable (although
> > not nice) to simply fix it this way, by disabling irqs while it loads
> > the firmware?
>
> I wonder if you're chasing ghosts; 4K stack kernels have a seperate
> stack for interrupts so... those should be safe.
Argh, yes, thanks for reminding/correcting all of us :-)
> Btw, you forgot to post a pointer to the source code of your driver, so
> it's a lot harder for us (read: impossible) to give you good advice..
Right, and dmesg / debug output of when things go wrong is also
needed at the very least to confirm whether or not there is really a
stack overflow issue here in the first place.
Satyam
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