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authorPetr Mladek <pmladek@suse.com>2020-04-01 21:02:28 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-02 09:35:25 -0700
commit98c985d7da8dfc8a9aa0ee8a560852dd97b1cf7d (patch)
treed0fa1f29798a9ed1196f100f5f9542278fe08e49 /arch/sh
parent4054ab64e29bb05b3dfe758fff3c38a74ba753bb (diff)
kthread: mark timer used by delayed kthread works as IRQ safe
The timer used by delayed kthread works are IRQ safe because the used kthread_delayed_work_timer_fn() is IRQ safe. It is properly marked when initialized by KTHREAD_DELAYED_WORK_INIT(). But TIMER_IRQSAFE flag is missing when initialized by kthread_init_delayed_work(). The missing flag might trigger invalid warning from del_timer_sync() when kthread_mod_delayed_work() is called with interrupts disabled. This patch is result of a discussion about using the API, see https://lkml.kernel.org/r/cfa886ad-e3b7-c0d2-3ff8-58d94170eab5@ti.com Reported-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Tested-by: Grygorii Strashko <grygorii.strashko@ti.com> Acked-by: Tejun Heo <tj@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20200217120709.1974-1-pmladek@suse.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sh')
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