Messages in this thread | | | Date | Tue, 22 Nov 2022 14:42:08 -1000 | From | Tejun Heo <> | Subject | Re: [PATCH v2 4/5] blk-iocost: fix sleeping in atomic context warnning |
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On Tue, Nov 22, 2022 at 05:14:29PM -0700, Jens Axboe wrote: > >> Then match_strdup() and kfree() in match_NUMBER() can be replaced with > >> get_buffer() and put_buffer(). > > > > Sorry about the late reply. Yeah, something like this. > > Doesn't local_irq_disable() imply preemption disable as well?
Right, I was thinking about spin_lock_irq() which doesn't imply disabling preemption in PREEMPT_RT. local_irq_disable() is actual irq disable even on RT. It should be fine on its own.
Thanks.
-- tejun
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