Messages in this thread | | | Date | Mon, 16 Jul 2012 08:22:24 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [Patch 0/7] Per cpu thread hotplug infrastructure - V3 |
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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
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[ 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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