Messages in this thread | | | Date | Wed, 25 Nov 2015 22:16:16 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH v3 02/22] kthread/smpboot: Do not park in kthread_create_on_cpu() |
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On Wed, 18 Nov 2015, Petr Mladek wrote: > kthread_create_on_cpu() was added by the commit 2a1d446019f9a5983e > ("kthread: Implement park/unpark facility"). It is currently used > only when enabling new CPU. For this purpose, the newly created > kthread has to be parked. > > The CPU binding is a bit tricky. The kthread is parked when the CPU > has not been allowed yet. And the CPU is bound when the kthread > is unparked. > > The function would be useful for more per-CPU kthreads, e.g. > bnx2fc_thread, fcoethread. For this purpose, the newly created > kthread should stay in the uninterruptible state. > > This patch moves the parking into smpboot. It binds the thread > already when created. Then the function might be used universally. > Also the behavior is consistent with kthread_create() and > kthread_create_on_node(). > > Signed-off-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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