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SubjectRe: [Patch 0/7] Per cpu thread hotplug infrastructure - V3
On Mon, Jul 16, 2012 at 10:42:34AM -0000, Thomas Gleixner wrote:
> The following series implements the infrastructure for parking and
> unparking kernel threads to avoid the full teardown and fork on cpu
> hotplug operations along with management infrastructure for hotplug
> and users.
> Changes vs. V2:
>
> Use callbacks for all functionality. Thanks to Rusty for pointing
> that out. It makes the use sites nice and simple and keeps all the
> code which would be duplicated otherwise on the core.

Hello, Thomas,

What version should I apply this patchset to? I tried v3.5-rc7, but
got lots of warnings (one shown below) and the watchdog patch did not
apply.

Thanx, Paul

------------------------------------------------------------------------
[ 0.280196] BUG: scheduling while atomic: ksoftirqd/1/7/0x00000004
[ 0.280968] Modules linked in:
[ 0.282064] Pid: 7, comm: ksoftirqd/1 Not tainted 3.5.0-rc7+ #1559
[ 0.283990] Call Trace:
[ 0.284987] [<c16314f1>] __schedule_bug+0x49/0x55
[ 0.285975] [<c1638e1a>] __schedule+0x6ca/0x780
[ 0.286977] [<c109b556>] ? rcu_process_callbacks+0x66/0x130
[ 0.288983] [<c10362c4>] ? __local_bh_enable+0x24/0x70
[ 0.289975] [<c105f02b>] ? default_wake_function+0xb/0x10
[ 0.291972] [<c1638fbe>] schedule+0x1e/0x50
[ 0.292969] [<c1639202>] schedule_preempt_disabled+0x12/0x20
[ 0.294975] [<c1075ff8>] smpboot_thread_fn+0xe8/0x240
[ 0.295968] [<c1075f10>] ? smpboot_register_percpu_thread+0xc0/0xc0
[ 0.295969] [<c104fe5f>] kthread+0x8f/0xa0
[ 0.295969] [<c104fdd0>] ? flush_kthread_worker+0x80/0x80
[ 0.295969] [<c163ffb6>] kernel_thread_helper+0x6/0xd


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