Re: 2.6.17-rc5-mm1

Arjan van de Ven
2006-05-31T06:39:10Z

On Tue, 2006-05-30 at 21:14 -0700, Andrew Morton wrote:
> On Tue, 30 May 2006 23:17:28 -0400
> Steven Rostedt <rostedt@goodmis.org> wrote:

> Without having looked at it very hard, I'd venture that this is a false
> positive - that driver uses disable_irq() to prevent reentry onto that
> lock.
>
> It does that because it knows it's about to spend a long time talking with
> the mii registers and it doesn't want to do that with interrupts disabled.

the scsi controller who shares that irq with your NIC just *enjoys* long
disable_irq() periods.. it can be nice and lazy about it ;)