Messages in this thread | | | From | Marc Zyngier <> | Subject | Re: [PATCH] irqchip/sifive-plic: Fix broken irq_set_affinity() callback | Date | Sun, 25 Oct 2020 12:37:51 +0000 |
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On Tue, 20 Oct 2020 16:15:32 +0800, Greentime Hu wrote: > It will always enable the interrupt after calling plic_set_affinity() > however it should set to it previous setting. Staying disabled or enabled. > > This patch can also fix this pwm hang issue in Unleashed board. > > [ 919.015783] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: > [ 919.020922] rcu: 0-...0: (0 ticks this GP) > idle=7d2/1/0x4000000000000002 softirq=1424/1424 fqs=105807 > [ 919.030295] (detected by 1, t=225825 jiffies, g=1561, q=3496) > [ 919.036109] Task dump for CPU 0: > [ 919.039321] kworker/0:1 R running task 0 30 2 0x00000008 > [ 919.046359] Workqueue: events set_brightness_delayed > [ 919.051302] Call Trace: > [ 919.053738] [<ffffffe000930d92>] __schedule+0x194/0x4de > [ 982.035783] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: > [ 982.040923] rcu: 0-...0: (0 ticks this GP) > idle=7d2/1/0x4000000000000002 softirq=1424/1424 fqs=113325 > [ 982.050294] (detected by 1, t=241580 jiffies, g=1561, q=3509) > [ 982.056108] Task dump for CPU 0: > [ 982.059321] kworker/0:1 R running task 0 30 2 0x00000008 > [ 982.066359] Workqueue: events set_brightness_delayed > [ 982.071302] Call Trace: > [ 982.073739] [<ffffffe000930d92>] __schedule+0x194/0x4de > [..]
Applied to irq/irqchip-next, with some commit message adjustments.
[1/1] irqchip/sifive-plic: Fix broken irq_set_affinity() callback commit: a7480c5d725c4ecfc627e70960f249c34f5d13e8
Cheers,
M. -- Without deviation from the norm, progress is not possible.
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