Messages in this thread Patch in this message | | | From | Yunfeng Ye <> | Subject | [PATCH] genirq/proc: Show percpu irq affinity | Date | Mon, 10 Aug 2020 10:29:50 +0800 |
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When the "affinity=" cmdline parameter is configured, the interrupt affinity displayed in the proc directory does not match with that of the the percu interrupt, and the percu interrupt uses desc->percu_affinity.
So show desc->percu_affinity in show_irq_affinity() for percpu interrupt.
Signed-off-by: yeyunfeng <yeyunfeng@huawei.com> --- kernel/irq/proc.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index 32c071d7bc03..b9d0fa87b4b4 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -52,6 +52,8 @@ static int show_irq_affinity(int type, struct seq_file *m) case AFFINITY: case AFFINITY_LIST: mask = desc->irq_common_data.affinity; + if (irqd_is_per_cpu(&desc->irq_data)) + mask = desc->percpu_affinity; #ifdef CONFIG_GENERIC_PENDING_IRQ if (irqd_is_setaffinity_pending(&desc->irq_data)) mask = desc->pending_mask; -- 1.8.3.1
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