Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()

On Sun, Jun 04, 2006 at 09:16:01AM -0400, Steven Rostedt wrote:
> that had its irq misrouted, couldn't it cause a storm if we don't call
> the handler for it?  So really disable_irq is broken for the misrouting
> case, and perhaps needs to be replaced with a spin_lock_irqsave?

For the ne2k at least that simply is not possible, the latencies are so
bad that you start dropping serial characters and the like if you do.

The disease is not as bad as the cure..

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• Follow-Ups:
  • Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
    • From: Steven Rostedt <[email protected]>

• References:
  • Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
    • From: Arjan van de Ven <[email protected]>
  • Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
    • From: Alan Cox <[email protected]>
  • Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
    • From: Arjan van de Ven <[email protected]>
  • Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
    • From: Ingo Molnar <[email protected]>
  • Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
    • From: Arjan van de Ven <[email protected]>
  • Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
    • From: Steven Rostedt <[email protected]>
  • Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
    • From: Alan Cox <[email protected]>
  • Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
    • From: Steven Rostedt <[email protected]>
  • Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
    • From: Arjan van de Ven <[email protected]>
  • Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
    • From: Steven Rostedt <[email protected]>

• Prev by Date: [PATCH] jfs: possible deadlocks - continue
• Next by Date: Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
• Previous by thread: Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
• Next by thread: Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]