On Thu, Nov 15, 2007 at 05:05:20PM +0100, Ingo Molnar wrote:
>
> * Ingo Molnar <[EMAIL PROTECTED]> wrote:
>
> > FYI, i've put these 3 patches into the scheduler git tree and it's
> > looking very good so far. So unless Andrew or Linus objects to put
> > this into v2.6.24, or there's serious que
On 11/15, Gautham R Shenoy wrote:
>
> +static struct {
> + struct task_struct *active_writer;
> + struct mutex lock; /* Synchronizes accesses to refcount, */
> + /*
> + * Also blocks the new readers during
> + * an ongoing cpu hotplug operation.
> + */
> + int refcoun
* Ingo Molnar <[EMAIL PROTECTED]> wrote:
> FYI, i've put these 3 patches into the scheduler git tree and it's
> looking very good so far. So unless Andrew or Linus objects to put
> this into v2.6.24, or there's serious questions during review, could
> we merge it this way?
i've got this trivi
* Ingo Molnar <[EMAIL PROTECTED]> wrote:
> * Gautham R Shenoy <[EMAIL PROTECTED]> wrote:
>
> > void lock_cpu_hotplug(void)
> > {
> > - struct task_struct *tsk = current;
> > -
> > - if (tsk == recursive) {
> > - static int warnings = 10;
> > - if (warnings) {
> > -
* Gautham R Shenoy <[EMAIL PROTECTED]> wrote:
> void lock_cpu_hotplug(void)
> {
> - struct task_struct *tsk = current;
> -
> - if (tsk == recursive) {
> - static int warnings = 10;
> - if (warnings) {
> - printk(KERN_ERR "Lukewarm IQ detected
From: Gautham R Shenoy <[EMAIL PROTECTED]>
Date: Thu, 15 Nov 2007 18:14:20 +0530
Subject: [PATCH 1/3] cpu-hotplug: Refcount based Cpu Hotplug implementation
This patch implements a Refcount + Waitqueue based model for
cpu-hotplug.
Now, a thread which wants to prevent cpu-hotplug, will bump up a
g
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