Re: [PATCH] avr32: Fixup kprobes preemption handling.

On Fri, Dec 01, 2006 at 04:50:50PM +0900, Paul Mundt wrote:
> While working on SH kprobes, I noticed that avr32 got the preemption
> handling wrong in the no probe case. The idea is that upon entry of
> kprobe_handler() preemption is disabled outright across the life of the
> kprobe, only to be re-enabled in post_kprobe_handler().
> 
> However, in the event that the probe is never activated, there's never
> any chance of hitting the post probe handler, which allows for the
> current avr32 implementation to disable preemption indefinitely, as it's
> currently missing a re-enable when no probe is activated.
> 
> Patch follows.
> 
And that's of course..

Signed-off-by: Paul Mundt <[email protected]>
-
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/

---

• References:
  • [PATCH] avr32: Fixup kprobes preemption handling.
    • From: Paul Mundt <[email protected]>

• Prev by Date: Re: Avoid allocating during interleave from almost full nodes
• Next by Date: Re: [patch 3/3] fs: fix cont vs deadlock patches
• Previous by thread: [PATCH] avr32: Fixup kprobes preemption handling.
• Next by thread: Re: [PATCH] avr32: Fixup kprobes preemption handling.
• 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]