Messages in this thread | | | Date | Tue, 29 Aug 2006 09:14:29 +0200 | From | Jens Axboe <> | Subject | Re: [PATCH] exit_io_context: don't disable irqs |
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On Sun, Aug 27 2006, Oleg Nesterov wrote: > We don't need to disable irqs to clear current->io_context, it is > protected by ->alloc_lock. Even IF it was possible to submit I/O from > IRQ on behalf of current this irq_disable() can't help: > current_io_context() will re-instantiate ->io_context after > irq_enable(). > > We don't need task_lock() or local_irq_disable() to clear ioc->task. > This can't prevent other CPUs from playing with our io_context anyway. > > Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Applied, thanks.
-- Jens Axboe
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