Re: Device Driver Etiquette

[Satyam Sharma]

On 6/3/07, Arjan van de Ven <arjan@xxxxxxxxxxxxx> 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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/