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
